CompTIA A+ 220-901/902 Practice Exam

1. When is it appropriate to yell at a user?

When he screws up the second time

When he interrupts your troubleshooting

When he screws up the fifth time

Never

Don't get angry or yell at clients.

Explanation

Don't get angry or yell at clients.

2. What can a government use to determine your location at a specific time as long as you're using your mobile device?

Multifactor authentication

Geotracking

Google Earth

Authenticator applications

Geotracking can locate you and your GPS-equipped mobile device.

Explanation

Geotracking can locate you and your GPS-equipped mobile device.

3. What companies dominate the chipset market? (select two)

AMD

Intel

NVIDIA

SiS

AMD and Intel produce the vast majority of the chipsets used in personal computers.

Explanation

AMD and Intel produce the vast majority of the chipsets used in personal computers.

Submit

4. While manning the help desk, you get a call from a distraught user who says she has a blank screen. What would be a useful follow-up question? (select two)

Is the computer turned on?

Is the monitor turned on?

Did you reboot?

What did you do?

Go for the simple answer first. When faced with a blank screen, check to see if the computer and the monitor are turned on.

Explanation

Go for the simple answer first. When faced with a blank screen, check to see if the computer and the monitor are turned on.

Submit

5. Which certification is considered a requirement for entrance into the IT industry?

Certified Cisco Network Associate

CompTIA A+ certification

CompTIA Network+ certification

Microsoft Certified Solutions Expert

The Comptia A+ certification is considered a requirement for entrance into the PC industry.

Explanation

The Comptia A+ certification is considered a requirement for entrance into the PC industry.

6. Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, and Microsoft Edge are all examples of what?

Web servers

Print servers

Web browsers

Proxy servers

All these programs are Web browsers

Explanation

All these programs are Web browsers

7. What is the primary benefit to adding more RAM to a laptop that uses shared memory? (select the best answer)

Improved battery life

Improved system performance

Improved video performance

None. Adding more RAM is pointless with systems that use shared memory

Improved overall system performance is the primary benefit to adding more RAM to a laptop that uses shared memory

Explanation

Improved overall system performance is the primary benefit to adding more RAM to a laptop that uses shared memory

8. To make your files unreadable by others, what should you use?

Clustering

Compression

Disk quotas

Encryption

To make your files unreadable by others, use encryption.

Explanation

To make your files unreadable by others, use encryption.

9. What does System Information do?

Provides you with a report about the hardware resources, components, and software environment in your computer.

Enables you to select which programs and services start when Windows boots up.

Enables you to schedule hard drive defragmentation, chkdsk scans, and other computer tasks.

Enables you to perform automatic custom backups of your files and settings.

System Information gives you a wide variety of information about your system.

Explanation

System Information gives you a wide variety of information about your system.

10. How many speakers are in a Dolby Digital 5.1 setup?

Five speakers plus a subwoofer.

Six speakers plus a subwoofer

Seven speakers plus a subwoofer

Eight speakers plus a subwoofer.

A Dolby Digital 5.1 setup has five speakers and one subwoofer.

Explanation

A Dolby Digital 5.1 setup has five speakers and one subwoofer.

11. Which of the following cellular data technologies is often considered 4G?

EDGE

UMTS

LTE

CDMA

Long Term Evolution (LTE) us usually considered a 4G cellular data technology

Explanation

Long Term Evolution (LTE) us usually considered a 4G cellular data technology

12. Steven's Windows system can't connect to the Internet, and he comes to you, his PC tech, for help. You figure out that it's a DHCP problem. What program should you run to troubleshoot his DHCP problem from the client side?

Ipconfig

Ifconfig

Config

Dhcp /review

You should run ipconfig, or more specifically ipconfig /release and then ipconfig /renew to get a new IP address if a DHCP server is available for Steven's Windows system. This typically resolves most DHCP client-side problems. ifconfig is the program used by Mac OS X and Linux systems for this task. Neither config nor dhcp is valid.

Explanation

You should run ipconfig, or more specifically ipconfig /release and then ipconfig /renew to get a new IP address if a DHCP server is available for Steven's Windows system. This typically resolves most DHCP client-side problems. ifconfig is the program used by Mac OS X and Linux systems for this task. Neither config nor dhcp is valid.

13. What is the proper voltage for a U.S. electrical outlet?

120 V

60 V

0 V

-120 V

U.S. outlets run at 120 V

Explanation

U.S. outlets run at 120 V

14. What should you do after successfully repairing a machine?

Do nothing; your job is done.

Admonish the user for causing so much work for the IT department

Document your findings

Lock it down so the user can't cause the same problem again

At the end of a repair you should always document your findings.

Explanation

At the end of a repair you should always document your findings.

15. After becoming CompTIA A+ certified, what's the next certification you should attain?

CompTIA Network+

CompTIA Security+

Microsoft Certified Solutions Expert

Certified Cisco Network Associate

The typical certification path goes from CompTIA A+ to CompTIA Network+, so you have all the basics before you choose to specialize in Microsoft or Cisco products.

Explanation

The typical certification path goes from CompTIA A+ to CompTIA Network+, so you have all the basics before you choose to specialize in Microsoft or Cisco products.

16. Which of the following form factors dominates the PC industry?

AT

ATX

ITX

CTX

Almost all modern motherboards follow the ATX form factor.

Explanation

Almost all modern motherboards follow the ATX form factor.

17. At the very least, what tool should be in every technician's toolkit?

Pliers

Hammer

Straight-slot screwdriver

Phillips-head screwdriver

Every tech's toolkit should have a phillips-head screwdriver, at the very least.

Explanation

Every tech's toolkit should have a phillips-head screwdriver, at the very least.

18. Leonard just purchased a very expensive comic book and paid for it using the stored credit card information on his smartphone. What technology did he use to make the transaction?

Swipe lock

Wi-Fi calling

NFC

BitLocker To Go

Leonard likely purchased his comic book using the Near Field Communication (NFC) technology, which can be used for payment transactions through stored credit card information in mobile applications.

Explanation

Leonard likely purchased his comic book using the Near Field Communication (NFC) technology, which can be used for payment transactions through stored credit card information in mobile applications.

19. What is the term for the delay in the RAM's response to a request from the MCC?

Variance

MCC gap

Latency

Fetch interval

Latency is the term for the delay in the RAM's response to a request from the MCC.

Explanation

Latency is the term for the delay in the RAM's response to a request from the MCC.

20. Which term describes a combo of many updates and fixes in Windows Vista/7?

Hot fix

Hot pack

Service pack

Service release

A service pack is a combo of many updates and fixes in Windows Vista/7.

Explanation

A service pack is a combo of many updates and fixes in Windows Vista/7.

21. What tool is used in Mac OS X to perform full system backups?

AppleBack

Users and Groups

Time Machine

System Preferences Backup

Mac OS X uses Time Machine to perform full system backups.

Explanation

Mac OS X uses Time Machine to perform full system backups.

22. Which of the following is a good practice after completing a troubleshooting call at someone's office?

Make copies of passwords you used at the site for future reference.

Document any particularly important people you met for future reference.

Do nothing. Your work is finished there.

A simple follow-up builds good will and trust. This is a very important step t take after completing a job.

Explanation

A simple follow-up builds good will and trust. This is a very important step t take after completing a job.

23. Which tool helps you avoid accidental static discharge by keeping you at the same electrical potential as the computer on which you're working?

Antistatic spray

Antistatic bag

Antistatic wrist wrap

Phillips-head screwdriver

An antistatic wrist strap keeps you at the same electrical potential as the computer.

Explanation

An antistatic wrist strap keeps you at the same electrical potential as the computer.

24. Jack wants to watch television through his computer. He has a cable television subscription. What else does he need?

A cable card installed in his system.

TV tuner card installed in his system.

Smart TV added to his system.

A set-top box connected to his system.

Jack can install a TV tuner card in his computer (or attach one via USB) and then plug his cable into it.

Explanation

Jack can install a TV tuner card in his computer (or attach one via USB) and then plug his cable into it.

25. A great way to protect data on a removable media card is to

Encrypt it

Lock it

Remove it when unneeded

Format it

A great way to protect data on a removable media card is to encrypt it.

Explanation

A great way to protect data on a removable media card is to encrypt it.

26. Which Windows utility uses points in time that enable you to return your system to a previous date and state?

System Configuration utility

Snapshot Manager

System Restore

GRUB or LILO

System Restore uses [restore points]-snapshots of a system at a given point of time-a quick and handy way to return your system to a previous state.

Explanation

System Restore uses [restore points]-snapshots of a system at a given point of time-a quick and handy way to return your system to a previous state.

27. When troubleshooting a software problem on Pheobe's computer and listening to her describe the problem, you get a text from your boss. Which of the following is the most appropriate action for you to take?

Excuse yourself, walk out of the cube, and text your boss.

Pick up Pheobe's phone and dial your boss's number

Wait until Pheobe finishes her description and then ask to use her phone to call your boss.

Focus on the customer and don't use her things.

Explanation

Focus on the customer and don't use her things.

28. What port does POP3 use?

22

110

42

256

Post Office Protocol 3 (POP3) uses port 110.

Explanation

Post Office Protocol 3 (POP3) uses port 110.

29. A client calls and is upset that he's misplaced his iPad. The mobile device has literally thousands of client records, including business addresses, e-mail addresses, phone numbers, and, in some cases, credit card information. What should he do first?

There's nothing he can do.

He should call his ISP and have them track his iPad

He should access his iCloud account and remotely wipe his iPad to erase all personal data

He should purchase another iPad and sync with his iTunes account. This automatically erases the information on the old tablet.

To protect his data, the client should log into his iCloud account and remotely wipe the iPad and erase all personal data

Explanation

To protect his data, the client should log into his iCloud account and remotely wipe the iPad and erase all personal data

30. Which feature enables a single-core CPU to function like two CPUs?

Hyper-threading

SpeedStep

Virtualization

X64

Intel loves hyper-Threading, where a single-core CPU can function like a dual-core CPU as long as it has operating system support.

Explanation

Intel loves hyper-Threading, where a single-core CPU can function like a dual-core CPU as long as it has operating system support.

31. Steve adds a second 1-GB 240-pin DIMM to his PC, which should bring the total RAM in the system up to 2 GB. The PC has an Intel Core 2 Duo 3-GHz processor and three 240-pin DIMM slots on the motherboard. When he turns on the PC, however, only 1 GB of RAM shows up during the RAM count. Which of the following is most likely to be the problem?

Steve failed to seat the RAM properly.

Steve put DDR SDRAM in a DDR 2 slot.

The CPU cannot handle 2 GB of RAM.

The motherboard can use only one RAM slot at a time.

Steve failed to seat the RAM properly.

Explanation

Steve failed to seat the RAM properly.

32. Which of the following Linux commands will show detailed information about the contents of a folder?

Is -l

Is -e

Is -h

Is -k

Type [Is -l] and press ENTER to see detailed info about the contents of a folder in Linux.

Explanation

Type [Is -l] and press ENTER to see detailed info about the contents of a folder in Linux.

33. Which of the following should Mary set up on her Wi-Fi router to make it the most secure?

NTFS

WEP

WPA

WPA2

Mary should set up WPA2 on her Wi-Fi router

Explanation

Mary should set up WPA2 on her Wi-Fi router

34. Edna wants to put a policy in place at her company to prevent or at least limit viruses. What policies would offer the best solution?

Install antivirus software on every computer. Teach others how to run it.

Install antivirus software on every computer. Set the software up to scan regularly.

The best policy includes updating the software engine and definitions, scanning PCs regularly, and educating users.

Explanation

The best policy includes updating the software engine and definitions, scanning PCs regularly, and educating users.

35. Which encryption protocol offers the best security?

Hi-Encrypt

WEP

WPA

WPA2

WPA2 is the best of the encryption technologies listed.

Explanation

WPA2 is the best of the encryption technologies listed.

36. Jim likes his laptop but complains that his wireless seems slow compared to all the new laptops. On further inspection, you determine that his laptop runs 802.11n. What can be done to improve his network connection speed?

Add more RAM

Replace the display with one with a better antenna

Replace the Mini-PCIe 802.11n card with an 802.11ac card.

Get a new laptop, because this one can't be upgraded.

He can haev the 802.11n NIC replaced with an 802.11ac NIC.

Explanation

He can haev the 802.11n NIC replaced with an 802.11ac NIC.

37. When you install an operating system alongside an existing operating system, what do you create?

A clean installation

An upgrade installation

A multiboot installation

A network installation

An OS added alongside an existing OS creates a multiboot system.

Explanation

An OS added alongside an existing OS creates a multiboot system.

38. Which of the following would be a legitimate reason a mobile device is running slowly?

Incorrect calibration

RAM too slow

Lack of storage space

Incorrect version of application

Lack of storage space is a legitimate reason a mobile device would run slow

Explanation

Lack of storage space is a legitimate reason a mobile device would run slow

39. Which of the following is an example of a hybrid topology?

Bus

Ring

Star

Star bus

A star bus topology, like the one used with Ethernet networks, is a hybrid topology.

Explanation

A star bus topology, like the one used with Ethernet networks, is a hybrid topology.

40. What is the name of the program that boots Windows?

Regsvr32

Msconfig

Bootmgr

Registry

On Windows machines, bootmgr is used to boot the OS.

Explanation

On Windows machines, bootmgr is used to boot the OS.

41. How many exams do you need to pass to become CompTIA A+ certified?

One

Two

Three

Four

You need to pass two exams to become CompTIA A+ certified.

Explanation

You need to pass two exams to become CompTIA A+ certified.

42. Which is the best password for the user Joy, who has a pet named Fido and a birth date of January 8, 1982.

Joy1982

Joylovesfido

1982cutie

Oddvr88*

Of the choices listed, oddvr88* would be the best password; it has a non-alphanumeric character, which makes it more difficult for a hacker to crack.

Explanation

Of the choices listed, oddvr88* would be the best password; it has a non-alphanumeric character, which makes it more difficult for a hacker to crack.

43. What is a thin client?

A computer with a 32-bit-wide address bus

A portable computer

A system designed to handle only very basic applications with the minimum hardware required by the operating system.

A computer in a narrow, small form-factor case

Thin clients rely on servers to perform anything beyond the most basic computing tasks.

Explanation

Thin clients rely on servers to perform anything beyond the most basic computing tasks.

44. What command often enables you to diagnose TCP/IP errors such as connection problems?

FTP

Ping

QoS

APIPA

You can often use the ping command to diagnose TCP/IP problems.

Explanation

You can often use the ping command to diagnose TCP/IP problems.

45. Davos finds that a disgruntled former employee decided to sabotage her computer when she left by putting a password in CMOS that stops the computer from booting. What can Davos do to solve this problem?

Davos should boot the computer while holding the left SHIFT key. This will clear the CMOS information.

Davos should find a replacement motherboard. Unless she knows the CMOS password, there's nothing she can do.

Davos should find the clear jumper on the motherboard and then boot the computer with a shunt on the jumper to clear the CMOS information.

Explanation

Davos should find the clear jumper on the motherboard and then boot the computer with a shunt on the jumper to clear the CMOS information.

46. Which configuration requires three same-sized volumes?

RAID 5

Mirrored set

Spanned volume

Striped volume

RAID 5 requires three same-sized volumes.

Explanation

RAID 5 requires three same-sized volumes.

47. Users bringing personally owned mobile devices into an enterprise environment is called:

Importing

CYMK

Providing

BYOD

Users bringing their personal mobile devices into an enterprise is Bring Your Own Device (BYOD)

Explanation

Users bringing their personal mobile devices into an enterprise is Bring Your Own Device (BYOD)

48. Darren has installed a new CPU in a client's computer, but nothing happens when he pushes the power button on the case. The LED on the motherboard is lit up, so he knows the system has power. What could be the problem?

He forgot to disconnect the CPU fan.

He forgot to apply thermal paste between the CPU and the heat-sink and fan assembly.

He used an AMD CPU in an Intel Motherboard

He used an Intel CPU in an AMD motherboard

The best answer here is that he forgot the thermal paste, though you can also make an argument for a disconnected fan.

Explanation

The best answer here is that he forgot the thermal paste, though you can also make an argument for a disconnected fan.

49. What Microsoft API supports 3-D graphics?

Active Desktop

DirectX

Glide

OpenGL

Microsoft makes the DirectX API to support 3-D graphics.

Explanation

Microsoft makes the DirectX API to support 3-D graphics.

50. Which tool would help you determine why a print job didn't print?

Printer driver

Printer setup

Print spooler

System setup

A print spooler would help you determine why a print job didn't print.

Explanation

A print spooler would help you determine why a print job didn't print.

51. What should you keep in mind when testing DC connectors?

DC has polarity. The red lead should always touch the hot wire; the black lead should touch a ground wire.

DC has no polarity, so you can touch the red lead to either hot or ground.

DC has no polarity, so you can touch the black lead to either hot or neutral but not ground.

DC has polarity. The red lead should always touch the hot wire; the black lead should touch a ground wire.

Explanation

DC has polarity. The red lead should always touch the hot wire; the black lead should touch a ground wire.

52. What is the most important component for building a virtualization workstation?

CPU

Power supply

RAM

Large monitor

Every virtual machine you run consumes a large share of RAM, so the more RAM you have, the more VMs you can run.

Explanation

Every virtual machine you run consumes a large share of RAM, so the more RAM you have, the more VMs you can run.

53. When performing automatic updates, Windows 7 uses which feature to download additional updates for other Microsoft products.

Software notifications

Msinfo32

Microsoft Update

Registry

Windows uses the Microsoft Update feature to download additional updates for other Microsoft products, such as Microsoft Office.

Explanation

Windows uses the Microsoft Update feature to download additional updates for other Microsoft products, such as Microsoft Office.

54. Which of the following paths would open Administrative Tools in Windows 8.1?

Right-click the task bar and select Administrative Tools from the context menu.

Right-click the Start button and select Administrative Tools from the context menu.

Right-click anywhere on the desktop and select Administrative Tools from the context menu.

Press the WINDOWS KEY-L combination to open Administrative Tools.

To open Administrative Tools, right-click on the Start button and select Administrative Tools. Easy!

Explanation

To open Administrative Tools, right-click on the Start button and select Administrative Tools. Easy!

55. What is the processor on a video card called?

CPU

GPU

GDDR

MPU

You'll typically see video card processors referred to as GPUs.

Explanation

You'll typically see video card processors referred to as GPUs.

56. Zander downloaded a game off the Internet and installed it, but as soon as he started to play, he got a Blue Screen of Death. Upon rebooting, he discovered that his Documents folder had been erased. What happened?

He installed spyware

He installed a Trojan horse

He broke the Group Policy

He broke the Local Security Policy

Clearly Zander installed a Trojan horse masquerading as a game

Explanation

Clearly Zander installed a Trojan horse masquerading as a game

57. 32-bit programs are installed into which folder by default in a 64-bit edition of Windows?

C:\Program Files

C:\Program Files (x32)

C:C:\Program Files\Wins\Old

C:\Program Files (x86)

By default, 32-bit applications install into the C:\Program Files (x86) folder.

Explanation

By default, 32-bit applications install into the C:\Program Files (x86) folder.

58. Which of the following would be most appropriate for the workplace? (select two)

Clean, pressed khaki trousers

Clean, wrinkle-free T-shirt

Clean, wrinkle-free polo shirt

Clean, pressed jeans

Kahki trousers and a polo shirt trump jeans and a T-shirt every time.

Explanation

Kahki trousers and a polo shirt trump jeans and a T-shirt every time.

Submit

59. Of the following four Internet connection options, which typically offers the slowest connection speed?

Cable

Dial-up

DSL

Satellite

Dial-up connections are robust but much slower than the other connection types.

Explanation

Dial-up connections are robust but much slower than the other connection types.

60. Sven calls the Help Desk to complain that a certain program (I won't name names here) has locked up. In such a scenario, which tool should Sven use to force the program to quit and how should he open the program?

Task Manager; press CTRL-SHIFT-ESC to open

Task Manager; press CTRL-T-M to open

Performance Monitor; open in Administrative Tools

Performance Monitor; press CTRL-P-M to open.

Task Manager is the tool you need to force a program closed in Windows. The easiest way to access the tool is to press CTRL-SHIFT-ESC simultaneously.

Explanation

Task Manager is the tool you need to force a program closed in Windows. The easiest way to access the tool is to press CTRL-SHIFT-ESC simultaneously.

61. Which mobile OS enables developers to customize the user experience without restrictions?

Android

Blackberry

IOS

Windows Phone

Google Android is open source, enabling developers to create custom versions for their devices

Explanation

Google Android is open source, enabling developers to create custom versions for their devices

62. You've just replaced Jane's Windows 7 PC with a new Windows 8.1 machine. What post-install tool should you run to make the transition as painless as possible for her?

Windows Activation

Repair installation

Windows Easy Transfer

User State Migration Tool

Run the Windows Easy Transfer tool to move all her Windows 7 personal files and familiar settings, like her desktop, to the new Windows 8.1 computer.

Explanation

Run the Windows Easy Transfer tool to move all her Windows 7 personal files and familiar settings, like her desktop, to the new Windows 8.1 computer.

63. Why would you use STP over UTP cabling?

Cheaper

Easier to install

Better to avoid interference.

They're interchangeable terms.

Shielded twisted pair cabling handles interference from other electronics much better than unshielded twisted pair.

Explanation

Shielded twisted pair cabling handles interference from other electronics much better than unshielded twisted pair.

64. Which utility is useful in Identifying a program that is hogging the processor?

Task Manager

Device Manager

Action Center

System Information

Task Manager will very quickly identify a program that is hogging the processor

Explanation

Task Manager will very quickly identify a program that is hogging the processor

65. What is the minimum CAT level cable required for a 100BaseT network?

CAT 1

CAT 5

CAT 5e

CAT6

100BaseT networks need CAT 5 or better UTP

Explanation

100BaseT networks need CAT 5 or better UTP

66. What does BIOS provide for the computer?

BIOS provides the physical interface for various devices such as USB and FireWire ports.

BIOS provides the programming that enables the CPU to communicate with other hardware.

BIOS provides memory space for applications to load into from the hard disk.

BIOS provides memory space for applications to load into from the main system RAM.

BIOS provides the programming that enables the CPU to communicate with other hardware.

Explanation

BIOS provides the programming that enables the CPU to communicate with other hardware.

67. If you do not complete the activation process for Windows 7, what will happen to your computer?

Nothing. Activation is optional.

The computer will work fine for 30 days and then Windows will be disabled

Microsoft will not know how to contact you to provide upgrade information

It will work if you check the "I promise to pay for Windows later" box.

If you do not complete the activation process for Windows 7, the computer will work fine for 30 days and then Windows will be disabled

Explanation

If you do not complete the activation process for Windows 7, the computer will work fine for 30 days and then Windows will be disabled

68. Which of the following file systems enables you to encrypt files, thus making them unviewable by any account but your own?

EFS

FAT

FAT32

OSR

The Encrypting File System (EFS) enables you to encrypt files, making them unviewable by any account but your own.

Explanation

The Encrypting File System (EFS) enables you to encrypt files, making them unviewable by any account but your own.

69. What tool enables you to correct a corrupted Windows operating system by reverting your computer to a previous state?

Windows Restore

Restore State Manager

Time Machine

System Restore

Using System Restore, you can restore your computer to a previous restore point.

Explanation

Using System Restore, you can restore your computer to a previous restore point.

70. If Windows recognizes a device, where will it appear?

Device Manager

C:\Windows\System32\Devices

Desktop

Safely remove hardware applet

Windows displays recognized devices in Device Manager

Explanation

Windows displays recognized devices in Device Manager

71. How do you differentiate two PATA drives on the same cable?

The flat ribbon cable has a seven-wire twist that determines which is which.

You set jumpers on the individual drives to determine which is master and which is slave

The PATA controller determines the hierarchy.

Both drives are considered equal.

PATA drives use master/slave jumpers to differentiate between the two drives.

Explanation

PATA drives use master/slave jumpers to differentiate between the two drives.

72. What kind of frame gets received by all NICs in a LAN?

CAT7

Broadcast

WAN

SC, ST, or LC

All NICs in a LAN will receive broadcast frames.

Explanation

All NICs in a LAN will receive broadcast frames.

73. What advantage does satellite have over cable for connecting to the Internet?

Satellite is faster than cable

Cable degrades in stormy weather; satellite does not.

Satellite requires you to be within 18,000 feet of a central switch

Cable is limited to areas with cable installed; satellite is not.

Clearly, satellite cuts you loose from the wires!

Explanation

Clearly, satellite cuts you loose from the wires!

74. Pamela decides to add a traditional e-mail app to get her e-mail. Which of the following will she most probably need to configure the app? (select two)

Name of her DNS server

Name of her IMAP server

Name of her DHCP server

Name of her SMTP server

A traditional e-mail app would need the name of the SMTP server and the name of either the IMAP or POP3 e-mail server.

Explanation

A traditional e-mail app would need the name of the SMTP server and the name of either the IMAP or POP3 e-mail server.

Submit

75. How do you run a command at the Windows command prompt with administrative privileges?

Enter an elevated username and password at the command prompt.

Right-click a command-prompt shortcut and then select Run as PowerUser.

Right-click a command-prompt shortcut and then select Run as adminstrator.

The cmd command only runns with administrator privileges.

To run a command at the Windows command prompt with administrative privileges, you would right-click a command-prompt shortcut and then select Run as administrator.

Explanation

To run a command at the Windows command prompt with administrative privileges, you would right-click a command-prompt shortcut and then select Run as administrator.

76. Which of the following points to a hardware or CMOS problem rather than an OS problem with a PC that won't boot?

A black screen with the error message "invalid boot disk"

A black screen with the error message "NTLDR Bad or Missing"

A black screen with the error message "Missing BOOT.INI"

A black screen with the error message "Invalid BCD"

A Black screen with an "invalid boot disk" error message points to a hardware or CMOS problem with a PC that won't boot.

Explanation

A Black screen with an "invalid boot disk" error message points to a hardware or CMOS problem with a PC that won't boot.

77. What provides the illumination for LCD monitors?

Backlights

Inverter

Lamp

LCD panel

The backlights provide the illumination for the LCD panel

Explanation

The backlights provide the illumination for the LCD panel

78. Solon has a very buggy computer that keeps locking up at odd moments and rebooting spontaneously. He suspects the motherboard. How should he test it?

Check settings and verify good components.

Verify good components and document all testing.

Replace the motherboard first to see if the problems disappear.

Check settings, verify good components, replace components, and document all testing.

Solon needs to check settings, verify good components, replace components, and document all testing.

Explanation

Solon needs to check settings, verify good components, replace components, and document all testing.

79. Which one of the following port types do most printers support?

PS/2

USB

Infrared

RS-232

You'll find almost all non-networked printers hooked up to USB ports

Explanation

You'll find almost all non-networked printers hooked up to USB ports

80. How do you open the Registry Editor from the command prompt? (Select two)

Regedit

Regedt32

Regeditor

Regstry

From the command prompt, you can use either regedit or regedt32 to open the Registry Editor.

Explanation

From the command prompt, you can use either regedit or regedt32 to open the Registry Editor.

Submit

81. What command-line utility would you run to show a list of network computers?

Net send

Show net_servers

Net use

Net view

Use the net view command to show a list of computers on a network.

Explanation

Use the net view command to show a list of computers on a network.

82. What happens if you cable a PATA hard drive incorrectly?

You can destroy that hard drive.

The data will be erased, but the hard drive will be okay.

The system will not be able to communicate with that hard drive.

Nothing. It doesn't matter how the cable is set up; it doesn't have the seven-wire twist.

Nothing will be damaged or lost - there just won't be any communication.

Explanation

Nothing will be damaged or lost - there just won't be any communication.

83. Which of the following terms are measures of CPU speed?

Megahertz and gigahertz

Megabytes and gigabytes

Megahertz and gigabytes

Frontside bus, backside bus

The terms megahertz (MHz) and gigahertz (GHz) describe how many million or billion (respectively) cycles persecond a CPU can run.

Explanation

The terms megahertz (MHz) and gigahertz (GHz) describe how many million or billion (respectively) cycles persecond a CPU can run.

84. How many study hours to pass the CompTIA A+ exams does Mike recommend to a person just starting out learning PC repair?

Roughly 140

Roughly 240

Roughly 340

Roughly 440

Mike recommends about 240 Study hours for a person new to PC repair.

Explanation

Mike recommends about 240 Study hours for a person new to PC repair.

85. What command would you use to view the path taken by an Ethernet packet?

Ping

Ipconfig

Tracert

Nslookup

The tracert command in Windows traces the path a data packet takes to get to its destination. Mac OS X and Linux use the traceroute utility for similar purposes.

Explanation

The tracert command in Windows traces the path a data packet takes to get to its destination. Mac OS X and Linux use the traceroute utility for similar purposes.

86. Martin bought a new motherboard to replace his older ATX motherboard. As he left the shop, the tech on duty called after him, "Check your standouts!" What could the tech have meant?

Standouts are the connectors on the motherboard for the front panel buttons, such as the on/off switch and reset button.

Standouts are the sharp metal edges on some cases that aren't rolled.

Standouts are the metal connectors that attach the motherboard to the case.

Standouts are the dongles that enable a motherboard to support more than four USB ports.

Standouts are the metal connectors that attach the motherboard to the case.

Explanation

Standouts are the metal connectors that attach the motherboard to the case.

87. How do you measure brightness of a projector?

Lumens

Pixels

LEDs

CCFLs

The brightness of a projector is measured in lumens.

Explanation

The brightness of a projector is measured in lumens.

88. What is a common symptom of a bad network cable?

Rapidly blinking link lights

No link lights

Solid on link lights

Steady blinking link lights

If there are no link lights, you probably have a bad network cable.

Explanation

If there are no link lights, you probably have a bad network cable.

89. Which of the following is a common spindle speed for an HDD?

5200

7200

9200

Not applicable. HDDs have no moving parts.

Common spindle speeds on magnetic hard drives are 5400, 7200, 10,000, and 15,000 RPM.

Explanation

Common spindle speeds on magnetic hard drives are 5400, 7200, 10,000, and 15,000 RPM.

90. What is the process for using or manipulating people to gain access to network resources?

Cracking

Hacking

Network engineering

Social engineering

Social engineering is the process for using or manipulating people to gain access to network resources.

Explanation

Social engineering is the process for using or manipulating people to gain access to network resources.

91. Which of the following programs enable you to access and work on a remote computer from your local computer? (select two)

FTP

DNAT

Remote Desktop Connection

Telnet

Both Remote Desktop Connection and Telnet enable you to access and work on a remote computer. The former is just prettier and more secure!

Explanation

Both Remote Desktop Connection and Telnet enable you to access and work on a remote computer. The former is just prettier and more secure!

Submit

92. Which of the following commands is used to change file permissions in Linux?

Chmod

Chown

Users

Pwn

The chmod command enables you to change file permissions in Linux.

Explanation

The chmod command enables you to change file permissions in Linux.

93. What do most techs call a toner or tone generator?

TDR

UTP

UDP

Fox and Hound

Most techs refer to a toner or tone generator as a Fox and Hound, the name of a popular brand of tone generator.

Explanation

Most techs refer to a toner or tone generator as a Fox and Hound, the name of a popular brand of tone generator.

94. What feature of Mac OS X is the equivalent of the command-line interface in Windows?

Dock

Spaces

Terminal

Unity

Terminal is the equivalent of the Windows command-line interface.

Explanation

Terminal is the equivalent of the Windows command-line interface.

95. You are at a customer's workstation to install several software and hardware updates, a process that will take a while and will require several reboots of the computer. What should you do about the password to the user's account?

Require the customer to sit with you throughout the process so she can type in her password each time.

Ask the user to write down her password for you to use.

Ask the user to change her password temporarily for you to use.

Call your supervisor

In this circumstance, asking for a temporary password is the right answer. Make sure the user changes her password back before you leave the site.

Explanation

In this circumstance, asking for a temporary password is the right answer. Make sure the user changes her password back before you leave the site.

96. What three functions does a home server PC provide? (select three)

Media streaming

File sharing

Web hosting

Print sharing

Home servers share files, stream media, and share printers.

Explanation

Home servers share files, stream media, and share printers.

Submit

97. What is the best way to determine the total capacity and specific type of RAM your system can handle?

Check the motherboard book.

Open the case and inspect the RAM.

Check the Device Manager

Check the System utility in the Control Panel.

The best way to determine the total capacity and specific type of RAM your system can handle is to check the motherboard book.

Explanation

The best way to determine the total capacity and specific type of RAM your system can handle is to check the motherboard book.

98. Bluetooth technology enables computers to link into what sort of network?

Bluetooth area network (BAN)

Personal area network (PAN)

Local area network (LAN)

Wide area network (WAN)

Bluetooth creates personal area networks.

Explanation

Bluetooth creates personal area networks.

99. Joan recently bought a new gamepad and used the Add a Device wizard to install it, but it still won't work. What should she do next? (select two)

Check the manufacturer's Web site for updated drivers

Run the Automated System Recovery tool to return the PC to a functioning state

Use a restore point in System Restore to return the PC to a functioning state

Run Windows Update to search for new drivers

Joan should check both the manufacturer's Web site and Windows Update for the latest drivers

Explanation

Joan should check both the manufacturer's Web site and Windows Update for the latest drivers

Submit

100. What does a black down arrow next to a device in Device Manager indicate?

A compatible driver has been installed that may not provide all of the functions for the device.

The device is missing or Windows cannot recognize it.

The system resources have been assigned manually.

The device has been disabled.

Explanation

The device has been disabled.

101. What variation of the PCI bus was specifically designed for laptops?

PCI-X

PCIe

Mini-PCI

AGP

The Mini-PCI format conserves space and power, making it an ideal card type for use in laptops.

Explanation

The Mini-PCI format conserves space and power, making it an ideal card type for use in laptops.

102. Dudley wants to connect his new MacBook Pro to an LCD monitor that has a Digital Visual Interface. What type of adapter should he use?

BNC to DVI

DisplayPort to HDMI

Mini-HDMI to DB-15

Thunderbolt to DVI

Dudley should use a Thunderbolt-to-DVI adapter to connect his new MacBook Pro to the LCD monitor.

Explanation

Dudley should use a Thunderbolt-to-DVI adapter to connect his new MacBook Pro to the LCD monitor.

103. Which of the following Control Panel applets will display the amount of RAM in your PC?

System

Devices and Printers

Device Manager

Action Center

You can use the System applet to see how much RAM is currently in your PC.

Explanation

You can use the System applet to see how much RAM is currently in your PC.

104. Which of the following are good ideas when it comes to batteries? (select two)

Keep the contacts clean by using alcohol and a soft cloth.

Store them in the freezer if they will not be used for a long period of time.

Toss them in the garbage when they wear out.

Store them in a cool, dry place

Keeping a battery in the freezer is a good idea in theory, but not in practice. All batteries contain toxic chemicals and should NEVER be treated like regular trash

Explanation

Keeping a battery in the freezer is a good idea in theory, but not in practice. All batteries contain toxic chemicals and should NEVER be treated like regular trash

Submit

105. Which CPU feature enables the microprocessor to support running multiple operating systems at the same time?

Clock multiplying

Caching

Pipelining

Virtualization support

Intel and AMD CPUs come with virtualization support, enabling more efficient implementation of virtual machines.

Explanation

Intel and AMD CPUs come with virtualization support, enabling more efficient implementation of virtual machines.

106. Erin is stuck. She needs data from a friend's laptop to work on her desktop, but neither of them brought a thumb drive. She has any number of Ethernet cables at her disposal, but the last port on the switch is taken. What's her best option, given such a scenario?

Connect the two computers directly using a patch cable.

Connect the two computers directly using a crossover cable

Connect the two computers directly using an STP cable

Run to the store, buy a thumb drive, get back to the lab, and physically move the data.

Erin should connect the computers directly using a crossover cable.

Explanation

Erin should connect the computers directly using a crossover cable.

107. What is the proper order of the laser printing process?

Process, clean, charge, expose, develop, transfer, and fuse

Process, charge, expose, develop, transfer, fuse, and clean

Clean, expose, develop, transfer, process, fuse and charge

Clean, charge, expose, process, develop, fuse, and transfer

Process, charge, expose, develop, transfer, fuse, and clean is the proper process

Explanation

Process, charge, expose, develop, transfer, fuse, and clean is the proper process

108. What is the maximum number of SATA devices you can have on a system?

One master, one slave.

Two, with no master/slave distinction.

Eight

There is no maximum other than the limitations of your motherboard.

There is no maximum number of SATA drives you can have on a system beyond the limits imposed by the number of ports on your motherboard/host card.

Explanation

There is no maximum number of SATA drives you can have on a system beyond the limits imposed by the number of ports on your motherboard/host card.

109. Steve complains that his aging Windows 7 laptop still isn't snappy enough after upgrading the RAM. What might improve system performance?

Add more RAM

Replace the power supply

Replace the Battery

Replace the HDD with a SSD

Replacing the HDD with a SSD will speed up the system

Explanation

Replacing the HDD with a SSD will speed up the system

110. What is the maximum cable length for USB 2.0?

1.2 meters

1.2 yards

5 meters

5 feet

USB has a maximum cable length of 5 meters.

Explanation

USB has a maximum cable length of 5 meters.

111. What is the most common boot method for installing Windows 8?

Boot to a Windows DVD

Boot to a Windows CD-ROM

Boot to a PXE drive

Boot to a recovery partition

Although in-place upgrades happen with more frequency, it's still very common to boot to the Windows 8 DVD and install from there.

Explanation

Although in-place upgrades happen with more frequency, it's still very common to boot to the Windows 8 DVD and install from there.

112. Which of the following most accurately describes the relationship between BIOS and hardware?

All hardware needs BIOS.

All hardware that attaches to the motherboard via ribbon cables needs BIOS.

All hardware built into the motherboard needs BIOS.

Some hardware devices need BIOS.

All hardware needs BIOS!

Explanation

All hardware needs BIOS!

113. Fred wants to play World of Warcraft on his desktop system. He logs in and then the game asks for a code that is generated by an authenticator app on his Android phone. This is an example of:

Multifactor authentication

Factor authorization

Multifactor authorization

Factor authentication

Using both a password and a security code is an example of multifactor authentication

Explanation

Using both a password and a security code is an example of multifactor authentication

114. What company administers the CompTIA A+ certification exams?

CompTIA

Microsoft

Pearson VUE

Total Seminars

Pearson VUE administers the CompTIA A+ certification exams.

Explanation

Pearson VUE administers the CompTIA A+ certification exams.

115. Powerful hypervisors like ESXi are often booted from...

Floppy diskettes

USB thumb drives

Firmware

Windows

A good hypervisor can be tiny, loading from something as small as a USB thumb drive.

Explanation

A good hypervisor can be tiny, loading from something as small as a USB thumb drive.

116. Into which socket could you place an Intel Core i5?

Socket LGA 775

Socket LGA 1155

Socket C

Socket AM3+

You'll find Core i5 processors in several socket types, notably LGA 1155 and LGA 1156.

Explanation

You'll find Core i5 processors in several socket types, notably LGA 1155 and LGA 1156.

117. Which of the following is used in mobile devices to convert analog video and sound to digital video and sound?

Calibrator

SDK

Virtual Assistant

Digitizer

Digitizers are used in mobile devices to convert analog video and sound to digital video and sound, or to interpret analog signals associated with touch movement on a screen into digital equivalents.

Explanation

Digitizers are used in mobile devices to convert analog video and sound to digital video and sound, or to interpret analog signals associated with touch movement on a screen into digital equivalents.

118. What is 1080p resolution?

1024 x 768

1280 x 1024

1680 x 1050

1920 x 1080

1080p resolution is 1920 x 1080

Explanation

1080p resolution is 1920 x 1080

119. What is the fastest speed that Hi-Speed USB 2.0 can go?

12 Mbps

120 Mbps

400 Mbps

480 Mbps

Hi-Speed USB 2.0 has a theoretical maximum of 480 Mbps.

Explanation

Hi-Speed USB 2.0 has a theoretical maximum of 480 Mbps.

120. Joachim ordered a new power supply but was surprised when it arrived because it had an extra 4-wire connector. What is that connector?

P2 connector for plugging in auxiliary components

P3 connector for plugging in case fans

P4 connector for plugging into modern motherboards

Aux connector for plugging into a secondary power supply

The P4 connector goes into the motherboard to support more power-hungry chips.

Explanation

The P4 connector goes into the motherboard to support more power-hungry chips.

121. Gregor installed a third stick of known good RAM into his Core i7 system, bringing the total amount of RAM up to 3 GB. Within a few days, though, he started having random lockups and reboots, especially when doing memory-intensive tasks such as gaming. What is most likely the problem?

Gregor installed DDR RAM into a DDR2 system.

Gregor installed DDR2 RAM into a DDR3 system.

Gregor installed RAM that didn't match the speed or quality of the RAM in the system.

Gregor installed RAM that exceeded the speed of the RAM in the system.

Most like,y, Gregor installed RAM that didn't match the speed or quality of the RAM in the system.

Explanation

Most like,y, Gregor installed RAM that didn't match the speed or quality of the RAM in the system.

122. Which domain receives the most coverage in the 220-902 exam?

Windows Operating Systems

Security

Other Operating Systems and Technologies

Software Troubleshooting

The 220-902 exam dedicates 29% of the questions to Windows operating systems.

Explanation

The 220-902 exam dedicates 29% of the questions to Windows operating systems.

123. Which Mac OS X feature is functionally equivalent to Windows File Explorer?

Finder

Dock

Quartz

File Manager

Finder is the equivalent of File Explorer.

Explanation

Finder is the equivalent of File Explorer.

124. How can you encrypt an entire drive, including files and folders belonging to other users?

EFS

User Account Control

Administrative Shares

BitLocker

BitLocker Drive Encryption enables you to encrypt an entire drive, including files and folders belonging to other users.

Explanation

BitLocker Drive Encryption enables you to encrypt an entire drive, including files and folders belonging to other users.

125. Jill boots an older Pentium system that has been the cause of several user complaints at the office. The system powers up and starts to run through POST, but then stops. The screen displays a "CMOS configuration mismatch" error. Of the following list, what is the most likely cause of this error?

Dying CMOS battery

Bad CPU

Bad RAM

Corrupt system BIOS

The CMOS battery is likely dying.

Explanation

The CMOS battery is likely dying.

126. When triggered, which of the following sends a signal to the computer to start recording?

Smart card

Motion sensor

KVM switch

Digitizer

Motion sensors respond to external movement. When triggered, they send a signal to the computer to start recording.

Explanation

Motion sensors respond to external movement. When triggered, they send a signal to the computer to start recording.

127. Scott wants to add 512 MB of PC100 SDRAM to an aging but still useful desktop system. The system has a 100-MHz motherboard and currently has 256 MB of non-ECC SDRAM in the system. What else does he need to know before installing?

What speed of RAM he needs.

What type of RAM he needs.

How many pins the RAM has.

If the system can handle that much RAM.

Scott needs to know if the system can handle that much RAM.

Explanation

Scott needs to know if the system can handle that much RAM.

128. A typical CAT 6 cable uses which connector?

RJ-11

RJ-45

Plenum

PVC

CAT 6 cables use an RJ-45 connector.

Explanation

CAT 6 cables use an RJ-45 connector.

129. What are the steps involved in pairing a Bluetooth keyboard with a tablet?

Turn on the Bluetooth device; find the device with the tablet; enter a PIN code or other pairing sequence.

Search for a Bluetooth device from the tablet; select [pair] from the options to enable the device.

To pair a Bluetooth keyboard with a tablet, enable Bluetooth on the tablet, enble Bluetooth on the tablet, turn on the Bluetooth device, find the Bluetooth device in the tablet's settings screen, then enter a PIN code or finalize the pairing.

Explanation

To pair a Bluetooth keyboard with a tablet, enable Bluetooth on the tablet, enble Bluetooth on the tablet, turn on the Bluetooth device, find the Bluetooth device in the tablet's settings screen, then enter a PIN code or finalize the pairing.

130. Which hardware firewall feature enables incoming traffic on a specific port to reach an IP address on the LAN?

Port forwarding

NAT

DMZ

Multifactor authentication

To open a port on your hardware firewall and send incoming traffic to a specific PC, use port forwarding

Explanation

To open a port on your hardware firewall and send incoming traffic to a specific PC, use port forwarding

131. Which option enables you to share files easily among multiple users on a single Windows 8 system?

Place the files in the Public Libraries.

Place the files in the Public Shares

Place the files in the EFS folders.

You cannot. Windows locks down sharing on a single system.

The Public Libraries make it easy to share files among multiple users of a single system.

Explanation

The Public Libraries make it easy to share files among multiple users of a single system.

132. John dressed up in a fake security guard uniform matching the ones used by a company and then walked into the company's headquarters with some legitimate employees in an attempt to gain access to company resources. What kind of attack is this?

Administrative access

Data destruction

Spoofing

Tailgating

John just practiced tailgating on the unsuspecting company

Explanation

John just practiced tailgating on the unsuspecting company

133. The first day on the job, Jill received a spreadsheet that listed approved software for users and clear instructions not to allow any unapproved software. What kind of policy must she follow?

Classification

Compliance

Group

Security

Jill needs to enforce compliance to help keep the tech support calls at a minimum and the uptime for users at a maximum.

Explanation

Jill needs to enforce compliance to help keep the tech support calls at a minimum and the uptime for users at a maximum.

134. What determines the name of a wireless network?

EAP

MAC address

SSID

WAP

The SSID determines the name of a wireless network.

Explanation

The SSID determines the name of a wireless network.

135. John's boss asks for a recommendation for connecting the company network to a small satellite building about 1 km from the main campus. The company owns the verdant land in between. Given such a scenario, what network technology implementation should John suggest?

Ethernet over UTP

Ethernet over STP

Ethernet over multimode fiber

Ethernet over single-mode fiber

John should suggest the only network technology implementation (listed here) that can cover those distances, Ethernet over single-mode fiber.

Explanation

John should suggest the only network technology implementation (listed here) that can cover those distances, Ethernet over single-mode fiber.

136. Which Windows command is functionally equivalent to the Linux Is command?

Dir

Command

Copy

Dd

The Windows dir command accomplishes a similar function to the Linux Is command.

Explanation

The Windows dir command accomplishes a similar function to the Linux Is command.

137. Why is it a good idea to ensure that the slot covers on your computer case are all covered?

To maintain good airflow inside your case.

To help keep dust and smoke out of your case.

Both A and B are correct reasons.

Trick question! Leaving a slot uncovered doesn't hurt anything.

Both A and B are correct. Keeping the slots covered helps keep a good airflow in your case and keeps dust and smoke away from all those sensotive internal components.

Explanation

Both A and B are correct. Keeping the slots covered helps keep a good airflow in your case and keeps dust and smoke away from all those sensotive internal components.

138. Which RAID standard requires at least four drives?

RAID 1

RAID 4

RAID 5

RAID 10

RAID 10 requires at least four drives.

Explanation

RAID 10 requires at least four drives.

139. What tool would you use to enable auditing on a local level?

AD Policy

Group Policy

Local Security Policy

User Settings

You can enable local auditing through Local Security Policy.

Explanation

You can enable local auditing through Local Security Policy.

140. What function does the external data bus have in the PC?

The external data bus determines the clock speed for the CPU

The CPU uses the external data bus to address RAM.

The external data bus provides a channel for the flow of data and commands between the CPU and RAM.

The CPU uses the external data bus to access registers

The external data bus provides a channel for the flow of data and commands between the CPU and RAM.

Explanation

The external data bus provides a channel for the flow of data and commands between the CPU and RAM.

141. Which version of Windows is not tested on the 2015 versions of the CompTIA A+ exams?

Windows 8 Pro

Windows 10

Windows 7 ultimate

Windows Vista Business

No versions of Windows 10 are on the CompTIA A+ exams.

Explanation

No versions of Windows 10 are on the CompTIA A+ exams.

142. Jailbreaking an iPhone gives access to:

The administrator account

The root account

The /bin folder

The system BIOS

Jailbreaking is unique to iOS to provide access to the root account.

Explanation

Jailbreaking is unique to iOS to provide access to the root account.

143. Which mobile device screen technology uses no backlight?

BYOD

LCD

LED

OLED

OLED technology doesn't use a backlight

Explanation

OLED technology doesn't use a backlight

144. You take a tech call from a user who complains that she gets an error message "Hub power exceeded," when she plugs her new thumb drive into her USB keyboard's external USB port. Worse, the device won't work. What's most likely the problem?

Her USB port is defective

She has a defective thumb drive.

She plugged a Hi-Speed device into a Full-Speed port.

She plugged one too many devices into the USB hub.

Just like that error message said, the thumb drive drew too much power for the hub to handle.

Explanation

Just like that error message said, the thumb drive drew too much power for the hub to handle.

145. What does CompTIA call a PC case built for a home theater?

Media center case

XBMC

HTPC

Stereo case

HTPC cases enable your PC to blend in with your home theater equipment.

Explanation

HTPC cases enable your PC to blend in with your home theater equipment.

146. Cindy installs a second stick of DDR3 RAM into her Core i5 system, bringing the total system memory up to 4 GB. Within a short period of time, though, she begins experiencing Blue Screens of Death. What could the problem be?

She installed faulty RAM.

The motherboard could only handle 2 GB of RAM.

The motherboard needed dual-channel RAM.

There is no problem. Windows always does this initially, but gets better after crashing a few times.

If you have no problems with a system and then experience problems after installing something new, chances are the something new is at fault.

Explanation

If you have no problems with a system and then experience problems after installing something new, chances are the something new is at fault.

147. Ralph has installed a wireless network in his house, placing the wireless access point in the kitchen, a centralized location. The Wi-Fi works fine in the living room and dining room but goes out almost completely in the bedroom. What's most likely the problem?

Interference with some metal object.

Improper antenna set up

Use of the default SSID

The SSID overlapping with a neighbor's SSID

Watch out for microwave ovens, refrigerators, and pipes in the walls. They can interfere with a Wi-Fi signal and create dead spots.

Explanation

Watch out for microwave ovens, refrigerators, and pipes in the walls. They can interfere with a Wi-Fi signal and create dead spots.

148. What small device enables you to test a NIC's circuitry?

Loopback plug

Port tester

Multimeter

Integrated network and logic probe

A loopback plug will test the NIC's Ethernet port and circuitry.

Explanation

A loopback plug will test the NIC's Ethernet port and circuitry.

149. What version of Windows introduced the Metro UI?

Windows 7

Windows 8

Windows 8.1

Windows 10

Microsoft introduced the Metro UI with Windows 8.

Explanation

Microsoft introduced the Metro UI with Windows 8.

150. What is the default Ubuntu desktop environment?

Metro UI

Unity

KDE

GNOME 3

Ubuntu Linux uses Unity DE by default.

Explanation

Ubuntu Linux uses Unity DE by default.

151. Which of the following commands will repair a damaged master boot record in a Windows 8 PC?

Bootrec /fixboot

Bootrec /fixmbr

Fixboot

Fixmbr

Run bootrec /fixmbr in the Windows RE to repair a damaged master boot record in a Windows 8 PC

Explanation

Run bootrec /fixmbr in the Windows RE to repair a damaged master boot record in a Windows 8 PC

152. Which of the following is a 15-digit number used to uniquely identify a mobile device that connects to a cellular network?

IEMI

GSM

ICCID

IMSI

The International Mobile Equipment Identity (IMEI) number is a 15-digit number used to uniquely identify a mobile device, typically a smartphone or other device that connects to a cellular network.

Explanation

The International Mobile Equipment Identity (IMEI) number is a 15-digit number used to uniquely identify a mobile device, typically a smartphone or other device that connects to a cellular network.

153. Tablet PCs come in which of the following form factors? (select two)

Convertible

Desktop

Secure Digital

Slate

Tablet PCs come in convertible and slate form factors.

Explanation

Tablet PCs come in convertible and slate form factors.

Submit

154. Which SATA version offers the least overhead (and thus best performance)?

AHCI

SATA 2.0

PATA 3.0

SATAe

SATA Express (SATAe) used the PCIe bus and has none of the traditional SATA overhead.

Explanation

SATA Express (SATAe) used the PCIe bus and has none of the traditional SATA overhead.

155. Janelle wants to start a new photo-sharing service for real pictures of Bigfoot, but doesn't own any servers. How can she quickly create a new server to run her service?

Public cloud

Private cloud

Community cloud

Hybrid cloud

Using the public cloud will enable Janelle to quickly create the servers she needs.

Explanation

Using the public cloud will enable Janelle to quickly create the servers she needs.

156. Edgar successfully replaced the display on a laptop (a toddler had taken a ballpoint pen to it), but the customer called back almost immediately complaining that his wireless didn't work. What could be the problem?

The problems are unrelated, so it could be anything

Edgar inadvertently disconnected the antenna from the Mini-PCIe 802.11 card.

Edgar replaced the display with one without an internal antenna

Edgar failed to reconnect the antenna in the new display.

A disconnected antenna makes Wi-Fi unhappy

Explanation

A disconnected antenna makes Wi-Fi unhappy

157. A client calls to complain that his computer starts up, but crashes when Windows starts to lead. After a brief set of questions, you find out that his nephew upgraded his RAM for him over the weekend and couldn't get the computer to work right afterward. What could be the problem?

Thermal paste degradation

Disconnected CPU fan

Bad CPU cache

There's nothing wrong. It usually takes a couple of days for RAM to acclimate to the new system.

Most likely, the nephew disconnected the CPU fan to get at the RAM slots and simply forgot to plug it back in.

Explanation

Most likely, the nephew disconnected the CPU fan to get at the RAM slots and simply forgot to plug it back in.

158. Which port type offers the fastest transfer speed?

IEEE 1394a

Superspeed USB

Full-Speed USB

Hi-Speed USB

Superspeed USB easily spanks the competition here.

Explanation

Superspeed USB easily spanks the competition here.

159. How many pins does a SATA power connector have?

6

9

12

15

SATA power connectors have 15 pins.

Explanation

SATA power connectors have 15 pins.

160. Amanda bought a new system that, right in the middle of an important presentation, gave her a Blue Screen of Death. Now her system won't boot at all, not even to CMOS. After extensive troubleshooting, she determined that the motherboard was at fault and replaced it. Now the system runs fine. What was the most likely cause of the problem?

Burn-in failure

Electrostatic discharge

Component failure

Power supply failure

Although all of the answers are plausible, the best answer here is that her system suffered burn-in failure.

Explanation

Although all of the answers are plausible, the best answer here is that her system suffered burn-in failure.

161. How does an NMI manifest on a Mac OS X system?

Blue Screen of Death.

Pinwheel of death

Interrupt of death

NMIs only happen on Windows systems

A non-maskable interrupt on a Mac OS X system often results in the spinning pinwheel called the pinwheel of death.

Explanation

A non-maskable interrupt on a Mac OS X system often results in the spinning pinwheel called the pinwheel of death.

162. Which Windows 8 feature did Microsoft not include in Windows 10?

Metro/Modern UI

Start button

Control Panel

Charms bar

Microsoft did not include the Charms bar in Windows 10. Bye!

Explanation

Microsoft did not include the Charms bar in Windows 10. Bye!

163. Jill decided to add a second hard drive to her computer. She thinks she has it physically installed correctly, but it doesn't show up in Windows. Which of the following options will most likely lead Jill where she needs to go to resolve the issue?

In Windows, press the DELETE key twice to enter the CMOS setup utility.

In Windows, go to Start | Run and type HARD DRIVE. Click OK to open the Hard Drive Setup Wizard.

Jill should reboot the computer and watch for instructions to enter the CMOS setup utility (for example, a message may say to press the DELETE key). She should do what it says to go into CMOS setup.

Explanation

Jill should reboot the computer and watch for instructions to enter the CMOS setup utility (for example, a message may say to press the DELETE key). She should do what it says to go into CMOS setup.

164. Ralph suspects a bad RAM stick is causing Windows to fail to boot. What default Windows tool can he use to check the RAM?

MEMMAKER

Memtest86+

Windows RAM Diagnostic Tool

Windows Memory Diagnostic Tool

Ralph should use the Windows Memory Diagnostic Tool to scan his RAM

Explanation

Ralph should use the Windows Memory Diagnostic Tool to scan his RAM

165. What is the primary CompTIA Web site?

Www.comptia.com

Www.comptia.edu

Www.comptia.net

Www.comptia.org

The primary CompTIA Web site is www.comptia.org (although the .com and .net addresses will redirect you to the main site).

Explanation

The primary CompTIA Web site is www.comptia.org (although the .com and .net addresses will redirect you to the main site).

166. Upgrading which component of a host machine would most likely enable you to run more virtual machines simultaneously?

CPU

Hard drive

RAM

Windows

Adding more RAM will enable you to run more simultaneous VMs.

Explanation

Adding more RAM will enable you to run more simultaneous VMs.

167. What technology enables 802.11n networks to make multiple simultaneous connections and thus improve speed over previous Wi-Fi standards?

Use of the 2.4 -GHz frequency

Use of the 5-GHz frequency

MIMO

WPA2

The multiple in/multiple out (MIMO) technology implementing multiple antennas enables 802.11n networks to run at much faster speeds than previous Wi-Fi networks.

Explanation

The multiple in/multiple out (MIMO) technology implementing multiple antennas enables 802.11n networks to run at much faster speeds than previous Wi-Fi networks.

168. What feature of ATX systems prevents a user from turning off a system before the operating system has been shut down?

Motherboard power connector

CMOS setup

Sleep mode

Soft Power

The soft power feature of ATX systems prevents a user from turning off a system before the OS has been shut down.

Explanation

The soft power feature of ATX systems prevents a user from turning off a system before the OS has been shut down.

169. Once you have ascertained the computer's problem and backed up the critical data, what should you do?

Establish a theory of probable cause

Start fixing the machine

Question users more to find out how they caused the problem

Document

You should establish a theory of probable cause once you have ascertained the problem and backed up data.

Explanation

You should establish a theory of probable cause once you have ascertained the problem and backed up data.

170. What printing process uses heat-sensitive plastic film embedded with various color dyes?

Dye-sublimation

Inkjet

Ink-dispersion

Dye-dispersion

Dye-sublimation printers use heat-sensitive plastic film embedded with various color dyes.

Explanation

Dye-sublimation printers use heat-sensitive plastic film embedded with various color dyes.

171. What form factor connects directly to a dedicated motherboard socket?

2.5-inch SSD

3.5-inch SSD

M.2 SSD

ESATA SSD

The M.2 (and mSATA) SSD has a dedicated motherboard socket.

Explanation

The M.2 (and mSATA) SSD has a dedicated motherboard socket.

172. Clara's laptop has a DVI connector to which she has connected a projector. As she prepares to make her presentation, however, nothing comes on the projector screen. The laptop shows the presentation, and the projector appears to be functional, with a bright white bulb making a blank image on the screen. What's the most likely problem?

She needs to plug in the projector

She's running the laptop on batteries. She needs to plug in the laptop to use the DVI connector

She needs to update her ExpressCard services to support projectors

She needs to press the Function key combination on her keyboard to cycle through monitor modes.

Clara needs to press the Function key combination on her keyboard to cycle through monitor modes.

Explanation

Clara needs to press the Function key combination on her keyboard to cycle through monitor modes.

173. Which mobile operating system requires a third-party software firewall?

Android

Mac OS X

Windows Mobile

IOS

Only Android requires a third-party software firewall

Explanation

Only Android requires a third-party software firewall

174. Which of the following root keys contains the data for a system's non-user-specific configurations?

HKEY_LOCAL_MACHINE

HKEY_USERS

HKEY_CURRENT_USER

HKEY_CLASSES_ROOT

The system's non-user-specific configurations are stored in the HKEY_LOCAL_MACHINE root key of the Registry.

Explanation

The system's non-user-specific configurations are stored in the HKEY_LOCAL_MACHINE root key of the Registry.

175. You are down under your desk organizing some wires when you notice that the activity light on your NIC is blinking erratically. Is there a problem?

Yes, the activity light should be on steadily when the computer is running.

Yes, the activity light should be blinking steadily, not randomly.

No, the light blinks when there is network traffic.

No, the light blinks to show bus activity.

The lights should be blinking to show activity - this is normal.

Explanation

The lights should be blinking to show activity - this is normal.

176. Which protocol can you use to send e-mail?

IMAP

POP3

PPP

SMTP

You can use Simple Mail Transfer Protocol (SMTP) to send e-mail messages.

Explanation

You can use Simple Mail Transfer Protocol (SMTP) to send e-mail messages.

177. How many PATA hard drives can you have on a system with two PATA hard drive controllers?

1

2

3

4

Each controller supports two drives.

Explanation

Each controller supports two drives.

178. Which is the most complete list of file systems Windows can use?

FAT16, FAT32, NTFS

FAT16, FAT32, FAT64, NTFS

FAT16, FAT32

FAT16, NTFS

Modern versions of Windows can use FAT (FAT16), FAT32, and NTFS for hard drives, and FAT64 for removable flash-media drives.

Explanation

Modern versions of Windows can use FAT (FAT16), FAT32, and NTFS for hard drives, and FAT64 for removable flash-media drives.

179. What is the name for the common omni-directional antennas found on wireless access points?

Bipole antennas

Dipole antennas

Omni antennas

RF antennas

Standard omni-directional antennas are called dipole antennas

Explanation

Standard omni-directional antennas are called dipole antennas

180. What voltages does an ATX12V P1 connector provide for the motherboard.

3.3 V, 5 V

3.3 V, 12 V

5 V, 12 V

3.3 V, 5 V, 12 V

An ATX12V power supply P1 connector provides 3.3, 5, and 12 volts to the motherboard.

Explanation

An ATX12V power supply P1 connector provides 3.3, 5, and 12 volts to the motherboard.

181. Joyce notices her GPS map app gives the error "GPS coordinates not available." What should she try first?

Try running another GPS app

Stop and start GPS on the mobile device

Move to a place where she can get a good GPS signal

Update the mobile device's firmware

Joyce needs to move her butt to a place where she can get a good GPS signal

Explanation

Joyce needs to move her butt to a place where she can get a good GPS signal

182. What is the difference between a virtual machine (VM) and an emulator?

An emulator requires a host OS, whereas a VM runs on bare-metal servers without an OS

A VM requires a host OS, whereas an emulator runs on bare-metal servers without an OS

An emulator converts from one platform to another, whereas a virtual machine mirrors the host machine.

Explanation

An emulator converts from one platform to another, whereas a virtual machine mirrors the host machine.

183. Which device enables you to extend the capabilities of a wireless network?

WAP

WEP

WPA

WPA2

A wireless access point (WAP)) enables you to extend the capabilities of a wireless network.

Explanation

A wireless access point (WAP)) enables you to extend the capabilities of a wireless network.

184. Which optical disc type offers the most capacity for writing and rewriting data files?

DVD-R

DVD+R DL

BD-RE

BD-RW

BD-RE offers the highest rewritable capacity of the discs mentioned here.

Explanation

BD-RE offers the highest rewritable capacity of the discs mentioned here.

185. Which of the following tools would enable you to stop a user from logging on to a local machine but still enable him to log on to the domain?

AD Policy Filter

Group Policy Auditing

Local Security Policy

User Settings

You can use Local Security Policy to stop someone from logging on to a local machine.

Explanation

You can use Local Security Policy to stop someone from logging on to a local machine.

186. What do you need to install a legal copy of Windows 8.1 into a virtual machine using VMware Workstation?

A valid VM key

Valid Windows 8.1 installation media

A valid ESXi key

A second NIC

You need a copy of the Windows installation media to install Windows

Explanation

You need a copy of the Windows installation media to install Windows

187. What benefit does full-duplex offer?

It enables NICs to send and receive signals at the same time.

It enables NICs to send data twice as fast.

It enables NICs to receive data twice as fast

It enables a switch to connect to both coaxial and fiber optic cables.

Full-duplex technology enables NICs to send and receive signals at the same time.

Explanation

Full-duplex technology enables NICs to send and receive signals at the same time.

188. What program does Microsoft include with Windows to partition and format a drive?

Format

Disk Management console

Disk Administrator console

System Commander

Windows uses the Disk Management console to partition and format a drive.

Explanation

Windows uses the Disk Management console to partition and format a drive.

189. With a laser printer, what creates the image on the photosensitive drum?

Primary corona

Laser imaging unit

Transfer corona

Toner

The laser imaging unit creates an image on the photosensitive drum.

Explanation

The laser imaging unit creates an image on the photosensitive drum.

190. What command, identical in both Windows and Linux, will tell you the name of the computer?

Hosts | grep

Whoami

Hostname

Net name

Type [hostname] and press ENTER to discover the hostname for just about any computer.

Explanation

Type [hostname] and press ENTER to discover the hostname for just about any computer.

191. What pass rate should you strive for on the practice questions?

75%

80%

90%

95%

You should not take either exam until you are consistently getting at least 90% on the practice exams.

Explanation

You should not take either exam until you are consistently getting at least 90% on the practice exams.

192. Which of the following represent invalid port to protocol matchups? (select two)

137, 138, 139, 445 = SMB

3398 = RDP

80 = HTTPS

22 = SSH

Remote Desktop Protocol (RDP) uses port 3389, Hypertext Transfer Protocol Secure (HTTPS) uses port 443; HTTP uses port 80.

Explanation

Remote Desktop Protocol (RDP) uses port 3389, Hypertext Transfer Protocol Secure (HTTPS) uses port 443; HTTP uses port 80.

Submit

193. A PC's power supply provides DC power in what standard configuration?

Two primary voltage rails, 12 volts and 5 volts, and an auxiliary 3.3-volt connector.

Three primary voltage rails, one each for 12-volt, 5-volt, and 3.3-volt connectors.

One primary DC voltage rail for 12-volt, 5-volt, and 3.3-volt connectors.

The standard PC power supply configuration has three primary voltage rails, one each for 12-volt, 5-volt, and 3.3-volt connectors.

Explanation

The standard PC power supply configuration has three primary voltage rails, one each for 12-volt, 5-volt, and 3.3-volt connectors.

194. You've lost your iPnone. What would you use to try to find it?

ITones

IFind

Location Services

ICloud

Apple's iPhone uses the Find My iPhone feature of iCloud

Explanation

Apple's iPhone uses the Find My iPhone feature of iCloud

195. Where does Windows store device drivers?

Computer

Hardware

Registry

Drivers and Settings

Windows stores device drivers in the Registry

Explanation

Windows stores device drivers in the Registry

196. Henry bought a new card for capturing television on his computer. When he finished going through the packaging, though, he found no driver disc, only an application disc for setting up the TV capture software. After installing the card and software, it all works flawlessly. What is the most likely explanation?

The device doesn't need BIOS, so there's no need for a driver disc.

The device has an option ROM that loads BIOS, so there's no need for a driver disc.

Windows supports TV capture cards out of the box, so there's no need for a driver disc.

The manufacturer made a mistake and didn't include everything needed to set up the device.

Most likely the device has an option ROM, because it works.

Explanation

Most likely the device has an option ROM, because it works.

197. What is the name of the command-line version of the Task Manager?

Taskman

Tasklist

Taskkill

Tasks

The tasklist command opens the command-line version of the Task Manager.

Explanation

The tasklist command opens the command-line version of the Task Manager.

198. Which of the following 802.11 standards functions only on the 5-GHz band?

802.11g

802.11n

802.11ac

802.11i

The 802.11ac standard functions exclusively on the 5-GHz band, while 802.11g functions on 2.4 GHz, 802.11n functions on both, and 802.11i is a security standard called WPA2.

Explanation

The 802.11ac standard functions exclusively on the 5-GHz band, while 802.11g functions on 2.4 GHz, 802.11n functions on both, and 802.11i is a security standard called WPA2.