CompTIA A+ Trivia Exam: MCQ Quiz!
Questions and Answers
- 1.
How many pins does IDE hard disk drive has?
- A.
41
- B.
40
- C.
43
- D.
50
Correct Answer
B. 40Explanation
IDE (Integrated Drive Electronics) hard disk drives typically have 40 pins. This refers to the number of pins on the IDE connector, which is used to connect the hard disk drive to the motherboard or controller card. The IDE connector consists of 40 pins arranged in two rows, with each pin serving a specific purpose in transmitting data and power between the hard drive and the computer system. Therefore, the correct answer is 40.Rate this question:
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- 2.
How many total IP addresses are represented by the 255.255.255.0 netmask?
- A.
128
- B.
256
- C.
512
- D.
1024
Correct Answer
B. 256Explanation
The netmask 255.255.255.0 is a class C netmask, which means it has 24 bits set to 1. In binary, the netmask is 11111111.11111111.11111111.00000000. The remaining 8 bits are set to 0, which allows for a total of 256 possible IP addresses.Rate this question:
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- 3.
A technician is trying to install an ExpressCard device for a user. The user’s laptop is confirmed to have one spare slot for ExpressCard devices, however, the card is simply too large to fit into the labeled port. Which of the following is MOST likely the issue?
- A.
The slot is for ExpressCard/34 devices.
- B.
The slot is for ExpressCard/54 devices.
- C.
The slot is for PCMCIA Type I devices
- D.
The slot is for PCMCIA Type I devices
Correct Answer
A. The slot is for ExpressCard/34 devices.Explanation
The most likely issue is that the slot is specifically designed for ExpressCard/34 devices. ExpressCard/34 devices are smaller in size compared to ExpressCard/54 devices, which means that the larger ExpressCard/54 card will not fit into the slot. The fact that the card is too large to fit into the labeled port indicates that the slot is intended for the smaller ExpressCard/34 devices.Rate this question:
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- 4.
A technician just finished replacing a laptop screen, and upon first boot notices that the screen provides a very faint but darkened image which cannot be adjusted. Which of the following was MOST likely left unplugged after replacement?
- A.
CMOS Battery
- B.
Mini-PCI Card
- C.
Inverter
- D.
DC Cord
Correct Answer
C. InverterExplanation
After replacing the laptop screen, if the screen provides a faint but darkened image that cannot be adjusted, the most likely reason is that the inverter was left unplugged after replacement. The inverter is responsible for providing power to the backlight of the screen, which is necessary for proper display brightness. If the inverter is not connected, the screen will still display an image but it will be very faint and darkened.Rate this question:
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- 5.
The Tower of Hanoi is MOST likely configured in a system which implements:
- A.
A high RPM drives.
- B.
A tape drive.
- C.
An externally attached storage.
- D.
A RAID configuration.
Correct Answer
B. A tape drive.Explanation
The Tower of Hanoi is most likely configured with a tape drive because it is a classic mathematical puzzle that involves moving disks from one peg to another. In the context of this puzzle, a tape drive is a suitable storage medium as it allows for sequential access to data, similar to how the disks are moved sequentially in the Tower of Hanoi puzzle. The other options, such as high RPM drives, externally attached storage, or RAID configurations, do not align with the specific requirements of the Tower of Hanoi puzzle.Rate this question:
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- 6.
A technician is tasked with improving the speed at which a system boots and loads applications as well as improving data availability. Which of the following should the technician implement?
- A.
Upgrade external storage to USB 3.0
- B.
Upgrade non RAID hard drives to SSD
- C.
Configure software RAID 5
- D.
Install additional eSATA drives
Correct Answer
C. Configure software RAID 5Explanation
Configuring software RAID 5 would be the best option to improve the speed at which the system boots and loads applications as well as improving data availability. RAID 5 provides data striping with parity, which allows for improved read and write speeds. Additionally, it offers fault tolerance by distributing parity across multiple drives, ensuring data availability even if one drive fails. Upgrading external storage to USB 3.0, upgrading non-RAID hard drives to SSD, and installing additional eSATA drives may improve performance to some extent, but they do not provide the same level of data availability and speed improvement as software RAID 5.Rate this question:
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- 7.
A home user’s PC has an over-clocked CPU with a relatively small heat sync, small fans on the 800W power supply, and a high-end video card. Which of the following is the recommended solution that will manage heat more effectively?
- A.
Replace the CPU heat sync with a high RPM fan
- B.
Purchase an energy efficient power supply
- C.
Not over-clocking the CPU
- D.
Liquid cooling system
Correct Answer
D. Liquid cooling systemExplanation
A liquid cooling system is the recommended solution for managing heat more effectively in this scenario. Liquid cooling systems use a liquid coolant to absorb and dissipate heat from the components, providing better cooling performance compared to air cooling methods. This would be particularly beneficial in a situation where the PC has an over-clocked CPU with a small heat sync and small fans on the power supply, as it would help prevent overheating and maintain optimal operating temperatures. Replacing the CPU heat sync with a high RPM fan may provide some improvement, but it may not be as effective as a liquid cooling system. Purchasing an energy-efficient power supply and not over-clocking the CPU would not directly address the issue of managing heat.Rate this question:
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- 8.
Which of the following printer types requires calibration to ensure the nozzle is adjusted to print properly?
- A.
Impact
- B.
Inkjet
- C.
Laser
- D.
Thermal
Correct Answer
B. InkjetExplanation
Inkjet printers require calibration to ensure the nozzle is adjusted to print properly. Calibration is necessary because inkjet printers use tiny nozzles to spray ink onto the paper, and over time these nozzles can become misaligned or clogged. By calibrating the printer, the user can ensure that the nozzles are properly adjusted for optimal printing quality and accuracy. This helps to prevent issues such as streaks, smudges, or uneven printing.Rate this question:
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- 9.
Which of the following technologies can be accessed through the Display Port?
- A.
USB/HDMI
- B.
SATA/HDMI
- C.
DVI/HDMI
- D.
FireWire/HDMI
- E.
HDMI/HDMI
Correct Answer
C. DVI/HDMIExplanation
The Display Port can be used to access DVI and HDMI technologies. DVI (Digital Visual Interface) is a video display interface commonly used to connect a video source, such as a computer, to a display device, like a monitor or projector. HDMI (High-Definition Multimedia Interface) is a digital audio/video interface used for transmitting high-quality audio and video signals between devices, such as TVs, monitors, and gaming consoles. Therefore, the Display Port can be used to connect devices that support DVI or HDMI technologies.Rate this question:
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- 10.
Ann, a user, calls requesting help selecting a printer connection technology. She wants to connect multiple devices to her laptop docking station using an external hub. Which of the following connection technologies would BEST meet Ann’s need for multiple devices?
- A.
Parallel
- B.
USB
- C.
FireWire
- D.
Bluetooth
Correct Answer
B. USBExplanation
USB would be the best connection technology for Ann's need for multiple devices. USB (Universal Serial Bus) allows for easy connection and communication between multiple devices, such as printers, through a single hub or port. It is a widely used and versatile technology that supports a wide range of devices, making it a convenient choice for Ann's requirement of connecting multiple devices to her laptop docking station using an external hub.Rate this question:
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- 11.
Which of the following expansion slots is MOST commonly used for high-end video cards?
- A.
PCI
- B.
PCIe
- C.
CNR
- D.
AGP
Correct Answer
B. PCIeExplanation
PCIe (Peripheral Component Interconnect Express) is the most commonly used expansion slot for high-end video cards. It provides faster data transfer rates and higher bandwidth compared to other expansion slots like PCI, CNR, and AGP. PCIe allows for better performance and supports advanced graphics technologies, making it the preferred choice for high-end video cards in modern computer systems.Rate this question:
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- 12.
Which of the following peripherals needs to be configured after installation to work correctly?
- A.
Speakers
- B.
KVM
- C.
Digital camera
- D.
Touch screen
Correct Answer
D. Touch screenExplanation
After installation, the touch screen peripheral needs to be configured in order to work correctly. This is because touch screens require calibration and settings adjustments to ensure accurate input recognition and responsiveness. Without proper configuration, the touch screen may not accurately register touch inputs or may exhibit erratic behavior. Therefore, configuring the touch screen after installation is necessary for optimal functionality.Rate this question:
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- 13.
Which of the following memory form factors is MOST commonly found in laptops?
- A.
SDRAM
- B.
SODIMM
- C.
RAMBUS
- D.
DIMM
Correct Answer
B. SODIMMExplanation
SODIMM (Small Outline Dual In-line Memory Module) is the most commonly found memory form factor in laptops. SODIMM modules are smaller in size compared to DIMM (Dual In-line Memory Module) modules, making them suitable for the limited space available in laptops. SDRAM (Synchronous Dynamic Random Access Memory) and RAMBUS are types of memory technologies, not form factors. Therefore, SODIMM is the correct answer as it specifically refers to the memory form factor commonly used in laptops.Rate this question:
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- 14.
Which of the following are components of an “active” CPU cooling solution?
- A.
A heatsink and thermal compound.
- B.
A heatsink, radiator, and thermal compound.
- C.
A heatsink, attached fan, and thermal compound.
- D.
A heatsink, case fan, and thermal compound.
Correct Answer
C. A heatsink, attached fan, and thermal compound.Explanation
An "active" CPU cooling solution refers to a cooling system that utilizes a fan to actively move air and dissipate heat from the CPU. A heatsink is a passive component that absorbs and disperses heat, but it requires a fan to actively blow air over it to enhance the cooling process. Thermal compound is used to improve the thermal conductivity between the CPU and the heatsink, ensuring efficient heat transfer. Therefore, the correct answer is a heatsink, attached fan, and thermal compound, as all three components work together to actively cool the CPU.Rate this question:
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- 15.
A technician must replace a 10/100 NIC in a Windows XP PC. The failed NIC is no longer available and a substitute 1 GB NIC will be used. Which of the following MUST be performed to accomplish the task?
- A.
The drivers for the new 1 GB NIC must be installed.
- B.
The NIC speed cannot exceed 10/100 and the PC must support digitally signed drivers.
- C.
The PC must be rated to support the 1 GB NIC speed.
- D.
The network cable must also be upgraded.
Correct Answer
A. The drivers for the new 1 GB NIC must be installed.Explanation
To replace the 10/100 NIC with a 1 GB NIC, the technician must install the drivers for the new 1 GB NIC. This is because the drivers act as the communication interface between the hardware (NIC) and the operating system (Windows XP). Without the appropriate drivers, the new NIC will not be recognized and will not function properly.Rate this question:
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- 16.
A PC technician must upgrade memory from 2 GB to 4 GB in twenty Windows 7 notebook computers. Some of the laptops have DDR2 memory, and some have DDR3. The memory purchased for the upgrade is DDR3. Which of the following is the MOST likely outcome of this upgrade?
- A.
The DDR2 notebooks will work with DDR3 provided the DDR2 is installed in the first DIMM positions.
- B.
The DDR3 notebooks are the only ones that will accept the new memory.
- C.
The DDR2 memory will fit into the DIMM positions and work.
- D.
The DDR3 memory will not work correctly unless the CAS (CL) values are the same.
Correct Answer
B. The DDR3 notebooks are the only ones that will accept the new memory.Explanation
The DDR3 notebooks are the only ones that will accept the new memory because DDR2 and DDR3 memory modules are not compatible with each other due to differences in their physical design and electrical specifications. The DDR3 memory modules will not fit into the DIMM slots of the DDR2 notebooks, and even if they did, the DDR2 notebooks would not be able to recognize or utilize the DDR3 memory properly. Therefore, the DDR3 notebooks are the only ones that can be upgraded with the new DDR3 memory modules.Rate this question:
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- 17.
Which of the following printer types uses an imaging drum?
- A.
Laser
- B.
Impact
- C.
Inkjet
- D.
Thermal
Correct Answer
A. LaserExplanation
Laser printers use an imaging drum to transfer the image or text onto the paper. The imaging drum is an essential component in the laser printing process as it receives the laser beam and attracts toner particles to create the desired image. Once the image is formed on the drum, it is transferred to the paper using heat and pressure. This makes laser printers more efficient and suitable for high-quality printing tasks. Impact, inkjet, and thermal printers do not use an imaging drum in their printing process.Rate this question:
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- 18.
A technician must trace a network cable from a user’s desk to the punch down block in the wiring closet. Which of the following tools would be the BEST choice?
- A.
Cable tester
- B.
Multimeter
- C.
Loopback plug
- D.
Toner probe
Correct Answer
D. Toner probeExplanation
A toner probe would be the best choice for tracing a network cable from a user's desk to the punch down block in the wiring closet. A toner probe is a tool that is used to locate and identify cables by sending a tone through the cable, which can then be detected using a handheld probe. This allows the technician to easily trace the path of the cable and determine its endpoints. A cable tester is used to check the integrity and functionality of cables, but it does not help in tracing the physical path of a cable. A multimeter is used to measure electrical properties and would not be useful for tracing a network cable. A loopback plug is used to test network connections, but it does not assist in tracing the physical path of a cable.Rate this question:
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- 19.
A DSL modem MOST commonly uses which of the following media?
- A.
Cable TV coax
- B.
Fiber optic cable
- C.
Wireless adapter
- D.
Household telephone lines
Correct Answer
D. Household telepHone linesExplanation
A DSL modem commonly uses household telephone lines because DSL (Digital Subscriber Line) technology allows data to be transmitted over existing telephone lines. DSL modems use a technique called frequency division multiplexing, which allows voice and data signals to be transmitted simultaneously over the same line. This allows users to access the internet while still being able to make phone calls using their telephone line.Rate this question:
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- 20.
Which of the following standards would be used on a wireless router to support speeds up to 150 Mbps?
- A.
802.11a
- B.
802.11b
- C.
802.11g
- D.
50802.11n
Correct Answer
D. 50802.11n -
- 21.
ECC memory is primarily used in which of the following computers?
- A.
Tablet
- B.
Desktop
- C.
Server
- D.
Laptop
Correct Answer
C. ServerExplanation
ECC memory, which stands for Error-Correcting Code memory, is primarily used in servers. Servers handle critical and important tasks, such as data storage, processing, and managing network connections. Since servers are expected to have high uptime and reliability, ECC memory is used to detect and correct errors in data transmission, ensuring data integrity and minimizing the risk of system crashes or data corruption. Tablets, desktops, and laptops typically do not require the same level of error correction as servers, hence ECC memory is not commonly used in these devices.Rate this question:
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- 22.
A user discovers that color laser prints are printing slightly off-color. Which of the following should help restore the appropriate colors?
- A.
Use different paper
- B.
Replace the fuser
- C.
Replace the duplexer
- D.
Calibrate the printer
Correct Answer
D. Calibrate the printerExplanation
Calibrating the printer should help restore the appropriate colors. Calibration adjusts the printer's color settings to ensure accurate and consistent color reproduction. By calibrating the printer, the user can correct any color discrepancies and ensure that the prints are accurate and true to the original colors.Rate this question:
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- 23.
Which of the following printers is required when carbon paper is used?
- A.
Inkjet
- B.
Thermal
- C.
Laser
- D.
Impact
Correct Answer
D. ImpactExplanation
When carbon paper is used, an impact printer is required. Impact printers work by physically striking an inked ribbon against the paper, transferring the ink onto the paper and the carbon paper beneath it. This forceful impact is necessary to create a clear and legible copy on the carbon paper. Inkjet, thermal, and laser printers do not use this impact mechanism and therefore are not suitable for use with carbon paper.Rate this question:
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- 24.
Which of the following devices converts digital signals to analog ones?
- A.
Modem
- B.
Switch
- C.
Hub
- D.
Router
Correct Answer
A. ModemExplanation
A modem is a device that converts digital signals to analog ones. It is used to connect a computer or other digital devices to the internet through a telephone line or cable line. The modem modulates the digital data into analog signals that can be transmitted over the telephone or cable lines, and then demodulates the analog signals back into digital data at the receiving end. This conversion is necessary because telephone lines and cable lines transmit data in analog form, while computers and digital devices process and transmit data in digital form.Rate this question:
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- 25.
Which of the following devices on a home network should be placed in a DMZ?
- A.
Backup server
- B.
Gaming server
- C.
Smartphone
- D.
Wireless printer
Correct Answer
B. Gaming serverExplanation
A gaming server should be placed in a DMZ (Demilitarized Zone) on a home network. A DMZ is a separate network segment that provides an additional layer of security by isolating certain devices from the rest of the network. Placing a gaming server in a DMZ helps to protect the other devices on the network from potential security risks associated with online gaming. It allows the gaming server to interact with the internet, while keeping it separate from the main network, reducing the chances of unauthorized access to sensitive information or other devices.Rate this question:
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- 26.
A user on a wireless network has the IP address 169.254.155.2 but cannot connect to the Internet. Which of the following should the user check on the wireless router?
- A.
WPA
- B.
DHCP
- C.
WINS
- D.
DNS
Correct Answer
B. DHCPExplanation
The user should check the DHCP settings on the wireless router. DHCP (Dynamic Host Configuration Protocol) is responsible for assigning IP addresses to devices on a network. In this case, the user has an IP address of 169.254.155.2, which falls within the range of APIPA (Automatic Private IP Addressing). APIPA addresses are assigned when a device is unable to obtain an IP address from a DHCP server. Therefore, the user should check the DHCP settings on the wireless router to ensure that it is properly configured and functioning correctly.Rate this question:
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- 27.
Which of the following is typically installed by connecting multiple DVI and USB cables to it?
- A.
Touch screen
- B.
LCD panel
- C.
Webcam
- D.
KVM
Correct Answer
D. KVMExplanation
A KVM (Keyboard, Video, Mouse) switch is typically installed by connecting multiple DVI and USB cables to it. This allows users to control multiple computers using a single set of peripherals (keyboard, monitor, and mouse). By switching between computers, users can easily access and manage multiple systems without the need for separate peripherals for each computer.Rate this question:
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- 28.
Which of the following features makes logical processor cores appear as physical cores to the operating system?
- A.
XD-bit
- B.
Hyperthreading
- C.
MMU virtualization
- D.
64-bit architecture
Correct Answer
B. HyperthreadingExplanation
XD-bit:To use Execute Disable Bit you must have a PC or server with a processor with Execute Disable Bit capability and a supporting operating system. EDB-enabled processors by Intel are indicated by a "J" after the CPU model number. Execute Disable Bit is abbreviated as EDB (by Intel) or XDBRate this question:
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- 29.
When unable to get an IP address from a server, which of the following represents an APIPA address that a PC might receive?
- A.
10.0.1.111
- B.
65.71.1.111
- C.
169.254.1.111
- D.
192.168.1.111
Correct Answer
C. 169.254.1.111Explanation
When a PC is unable to get an IP address from a server, it might receive an APIPA (Automatic Private IP Addressing) address. APIPA addresses are self-configured IP addresses that are assigned to a device when it cannot obtain an IP address from a DHCP server. The APIPA range is 169.254.0.0 to 169.254.255.255, and the given address 169.254.1.111 falls within this range. Therefore, it represents a possible APIPA address that a PC might receive in this situation.Rate this question:
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- 30.
Which of the following settings, when enabled, is MOST likely to result in an IP address conflict on a local network?
- A.
Custom DNS address
- B.
QoS enabled
- C.
UPnP enabled
- D.
Static IP address
Correct Answer
D. Static IP addressExplanation
Enabling a Static IP address is most likely to result in an IP address conflict on a local network. This is because when a device is assigned a static IP address, it does not dynamically obtain an IP address from a DHCP server. Instead, the device is manually configured with a specific IP address, subnet mask, gateway, and DNS server. If another device on the network is also assigned the same static IP address, it will result in an IP address conflict, causing network connectivity issues for both devices.Rate this question:
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- 31.
Which of the following is MOST likely to be reset during a standard printer maintenance?
- A.
Print job cache
- B.
Paper and tray settings
- C.
Page count
- D.
Job queue
Correct Answer
C. Page countExplanation
During a standard printer maintenance, the page count is most likely to be reset. This is because the page count keeps track of the total number of pages that have been printed by the printer. Resetting the page count allows the printer to start fresh and accurately track the number of pages printed after the maintenance. The other options, such as print job cache, paper and tray settings, and job queue, are not typically reset during standard printer maintenance.Rate this question:
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- 32.
Which of the following laptop accessories would MOST likely be used to support multiple displays when the laptop hardware does not have multiple video outputs?
- A.
Docking station
- B.
VGA to DVI converter
- C.
Adjustable monitor arm
- D.
PCMCIA card
Correct Answer
A. Docking stationExplanation
A docking station is a device that allows a laptop to connect to multiple peripherals, including additional displays. It provides extra video outputs, allowing the laptop to support multiple displays even if its hardware does not have that capability. Therefore, a docking station would be the most likely accessory to use in this situation.Rate this question:
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- 33.
Which of the following expansion slots can ONLY be found on a desktop computer?
- A.
PCI express
- B.
Express Card 34
- C.
Express Card 54
- D.
PCMCIA
Correct Answer
A. PCI expressExplanation
PCI Express is the correct answer because it is a type of expansion slot that can only be found on a desktop computer. Express Card 34, Express Card 54, and PCMCIA are all types of expansion slots that are commonly found on laptops and other portable devices. Therefore, PCI Express is the only option that is exclusive to desktop computers.Rate this question:
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- 34.
Which of the following network types BEST represents a network centered around one individual?
- A.
LAN
- B.
PAN
- C.
Cloud
- D.
MAN
Correct Answer
B. PANExplanation
A PAN (Personal Area Network) is the network type that best represents a network centered around one individual. A PAN is a network that connects devices within a short range, typically centered around a single person. It allows for the interconnection of personal devices such as smartphones, tablets, laptops, and wearable devices, enabling communication and data sharing between these devices. This network type is designed to provide convenience and flexibility for an individual's personal use.Rate this question:
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- 35.
Which of the following BEST describes the function of DHCP?
- A.
Blocks MAC address with security violations
- B.
Translates IP addresses to names
- C.
Encrypts data traffic on a network
- D.
Assigns IP addresses on a network
Correct Answer
D. Assigns IP addresses on a networkExplanation
DHCP stands for Dynamic Host Configuration Protocol, which is a network management protocol used to assign IP addresses to devices on a network. It allows devices to automatically obtain an IP address, subnet mask, default gateway, and other network configuration parameters. Therefore, the correct answer is that DHCP assigns IP addresses on a network.Rate this question:
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- 36.
Which of the following media types is LEAST likely to be affected by electromagnetic interference?
- A.
Coaxial
- B.
Fiber
- C.
Wireless B
- D.
HSPA
Correct Answer
B. FiberExplanation
The HSPA family of technologies is quite large, covering High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), and Evolved High Speed Packet Access (HSPA+). There are others, but these are the big ones. HSPA+: Evolved High Speed Packet AccessRate this question:
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- 37.
Which of the following connector types is associated with a fiber connection?
- A.
RJ-45
- B.
RJ-11
- C.
LC
- D.
HDMI
Correct Answer
C. LCExplanation
The correct answer is LC. LC connectors are commonly used with fiber optic cables. They have a small form factor and are designed for high-density connections. RJ-45 and RJ-11 connectors are associated with Ethernet and telephone connections, respectively. HDMI connectors are used for audio and video connections.Rate this question:
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- 38.
Which of the following features can be configured with keyboards to assist users with disabilities?
- A.
Pointer trails
- B.
Magnifier
- C.
Sticky keys
- D.
Character map
Correct Answer
C. Sticky keysExplanation
Sticky keys is a feature that can be configured with keyboards to assist users with disabilities. It allows users to press one key at a time instead of having to hold down multiple keys simultaneously, making it easier for individuals with limited dexterity or strength to use a computer keyboard. This feature helps prevent accidental keystrokes and provides a more accessible experience for users with disabilities.Rate this question:
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- 39.
When installing a printer in Windows, which of the following is the purpose of the Additional Drivers button on the Sharing tab in the printer’s properties?
- A.
To add additional drivers to emulate a different printer
- B.
To add additional drivers for other printers on the computer
- C.
To add additional drivers for other operating systems
- D.
To add additional drivers for different printing modes
Correct Answer
C. To add additional drivers for other operating systemsExplanation
The purpose of the Additional Drivers button on the Sharing tab in the printer's properties is to add additional drivers for other operating systems. This allows the printer to be compatible with different operating systems, such as Windows, Mac, or Linux, so that users with different systems can easily connect and use the printer.Rate this question:
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- 40.
Which of the following devices transmits data to all ports regardless of final destination?
- A.
Firewall
- B.
Router
- C.
Switch
- D.
Hub
Correct Answer
D. HubExplanation
A hub is a networking device that broadcasts data to all connected ports, regardless of the final destination. When a device sends data to a hub, the hub will replicate the data and send it to all other ports. This means that all devices connected to the hub will receive the transmitted data, even if it was not intended for them. Hubs operate at the physical layer of the network and do not perform any filtering or routing functions. Therefore, a hub is the correct answer as it transmits data to all ports indiscriminately.Rate this question:
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- 41.
Which of the following describes the expected properties of an asynchronous digital subscriber line service?
- A.
The data upload speed is faster than the data download speed.
- B.
The data download speed is faster than the data upload speed.
- C.
The data upload speed is the same as the data download speed.
- D.
The data throughput speed direction can be selected based on the user’s discretion.
Correct Answer
B. The data download speed is faster than the data upload speed.Explanation
An asynchronous digital subscriber line (ADSL) service is a type of broadband internet connection that allows for faster data download speeds compared to data upload speeds. This is because most users tend to consume more data by downloading files, streaming videos, or browsing the internet, rather than uploading large amounts of data. Therefore, ADSL is designed to prioritize faster download speeds to cater to the typical usage patterns of users.Rate this question:
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- 42.
Which of the following wireless protocols is limited to operating in the 5 GHz range ONLY?
- A.
802.11a
- B.
802.11b
- C.
802.11g
- D.
802.11n
Correct Answer
A. 802.11aExplanation
802.11a is limited to operating in the 5 GHz range only. This wireless protocol operates on a higher frequency band compared to 802.11b and 802.11g, which operate in the 2.4 GHz range. 802.11n, on the other hand, is a dual-band protocol that can operate in both the 2.4 GHz and 5 GHz ranges. Therefore, the correct answer is 802.11a.Rate this question:
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- 43.
Which of the following describes the use of the DNS protocol as it relates to a TCP/IP network?
- A.
Provides remote connectivity to resources on the network
- B.
Provides separate control and data connections between network resources
- C.
Provides mapping of user friendly names to network resources
- D.
Provides automated addressing to resources on the network
Correct Answer
C. Provides mapping of user friendly names to network resourcesExplanation
The DNS protocol is used to provide mapping of user-friendly names to network resources. It allows users to access resources on a TCP/IP network by using easy-to-remember domain names instead of having to remember the IP addresses of those resources. DNS translates domain names into IP addresses, enabling users to access websites, email servers, and other network resources using their familiar names.Rate this question:
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- 44.
A technician has installed a digital display. Which of the following is TRUE about the native resolution of a digital display?
- A.
It has the slowest refresh rate.
- B.
It causes the display to use pixel interpolation.
- C.
It is the lowest resolution.
- D.
It provides the best quality display.
Correct Answer
D. It provides the best quality display.Explanation
The native resolution of a digital display refers to the actual physical resolution at which the display is designed to operate. This means that the display will provide the best quality and clarity when used at its native resolution. Using a different resolution may result in pixel interpolation, where the display has to upscale or downscale the image to fit the screen, leading to a decrease in image quality. Therefore, the statement "It provides the best quality display" is true.Rate this question:
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- 45.
After installing a new serial port card in a computer, the communication parameters need to be configured. Which of the following is the MOST common communication configuration for a serial port?
- A.
Eight data bits, even parity, two stop bits
- B.
Seven data bits, no parity, one stop bit
- C.
Eight data bits, no parity, one stop bit
- D.
Seven data bits, even parity, one stop bit
Correct Answer
C. Eight data bits, no parity, one stop bitExplanation
The most common communication configuration for a serial port is eight data bits, no parity, and one stop bit. This configuration is widely used because it provides a good balance between data size and error detection. Eight data bits allow for the transmission of a wide range of characters, while no parity means that no additional bit is added for error checking. One stop bit is sufficient to indicate the end of a data transmission. This configuration is commonly used in many applications, such as data transfer between computers and peripherals, serial communication protocols, and serial devices like modems.Rate this question:
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- 46.
Which of the following protocols would be MOST important in preserving digital evidence of criminal activity during an investigation?
- A.
Change control management
- B.
Chain of custody
- C.
Channel escalation
- D.
MSDS documents
Correct Answer
B. Chain of custodyExplanation
Chain of custody is the most important protocol in preserving digital evidence of criminal activity during an investigation. It refers to the documentation and tracking of the movement and handling of evidence from the moment it is collected until it is presented in court. This protocol ensures that the integrity and authenticity of the evidence are maintained, preventing tampering or contamination. It establishes a clear trail of custody, documenting who had access to the evidence at all times, which is crucial for the admissibility and credibility of the evidence in court.Rate this question:
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- 47.
Which of the following technologies has the SHORTEST wireless range for printing?
- A.
802.11g
- B.
802.11a
- C.
Bluetooth
- D.
Infrared
Correct Answer
D. InfraredExplanation
Infrared technology has the shortest wireless range for printing among the given options. Infrared communication uses light waves to transmit data, and its range is limited to a few meters. It requires a direct line of sight between the transmitter and receiver, making it suitable for short-range applications like printing. In contrast, technologies like 802.11g, 802.11a, and Bluetooth have longer wireless ranges and can transmit data over larger distances.Rate this question:
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- 48.
Which of the following printer types needs to have toner replaced as part of the normal maintenance cycle?
- A.
Inkjet
- B.
Thermal
- C.
Impact
- D.
Laser
Correct Answer
D. LaserExplanation
Laser printers need to have toner replaced as part of the normal maintenance cycle. Unlike inkjet printers that use liquid ink, laser printers use toner cartridges that contain powdered ink. As the printer is used, the toner gradually gets depleted, and eventually, it needs to be replaced. This is an essential part of maintaining the printer's performance and ensuring high-quality prints. Thermal printers use heat to produce images and do not require toner replacement. Impact printers use physical impact to create characters on the paper and also do not use toner.Rate this question:
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- 49.
Basic Internet web traffic generally travels on which of the following ports?
- A.
25 and 53
- B.
53 and 8080
- C.
80 and 443
- D.
110 and 53
Correct Answer
C. 80 and 443Explanation
Basic Internet web traffic generally travels on ports 80 and 443. Port 80 is used for HTTP (Hypertext Transfer Protocol) traffic, which is the protocol used for transmitting web pages. Port 443 is used for HTTPS (Hypertext Transfer Protocol Secure) traffic, which is the secure version of HTTP that encrypts data during transmission. These ports are commonly used by web browsers to access websites and communicate with web servers.Rate this question:
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- 50.
Which of the following 802.11 wireless standards provides the LOWEST maximum theoretical throughput?
- A.
A
- B.
B
- C.
G
- D.
N
Correct Answer
B. BExplanation
The correct answer is B because 802.11b is the oldest and slowest wireless standard among the options given. It operates on the 2.4GHz frequency band and has a maximum theoretical throughput of 11 Mbps, which is lower than the other standards mentioned (802.11a, 802.11g, and 802.11n).Rate this question:
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Mar 22, 2023Quiz Edited by
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Jun 26, 2015Quiz Created by
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