1.
Why would a computer continuosly restart without reaching the windows desktop?
Correct Answer
C. The Automatic restart on system failure option is enabled.
Explanation
The computer continuously restarts without reaching the Windows desktop because the Automatic restart on system failure option is enabled. This means that whenever the system encounters a critical error, instead of displaying an error message or allowing the user to troubleshoot, it automatically restarts. This option is enabled by default in some operating systems and can be disabled to allow for better troubleshooting and error resolution.
2.
Why would a computer run slowly? (Choose 3)
Correct Answer(s)
A. Not enought RAM
C. Spyware and viruses
E. Running obsolete services.
Explanation
A computer can run slowly due to several reasons. One possible reason is not having enough RAM. RAM is the temporary storage space that a computer uses to perform tasks, and if there is not enough RAM available, the computer may struggle to run programs efficiently. Another reason could be the presence of spyware and viruses. These malicious software can consume system resources and slow down the computer's performance. Additionally, running obsolete services, which are outdated and unnecessary background processes, can also contribute to a slow computer as they consume valuable system resources.
3.
Your WinXp operating system became unstable after you installed a device driver and did not stabilize after you rebooted the computer with the Last Know Good Configuration. What is the reason for the computer behaving in this manner?
Correct Answer
D. The system registry is overwritten after every successful login and the settings on the initial install were thus overwritten after the first reboot and login.
Explanation
The reason for the computer behaving in this manner is that the system registry is overwritten after every successful login. Therefore, the settings on the initial installation were overwritten after the first reboot and login, causing the operating system to remain unstable even after using the Last Known Good Configuration.
4.
What is the Most likely reason to power down a visual projector properly before unplugging it from the electrical outlet.
Correct Answer
B. There is a possibility of residual heat damage to the internal Components of the visual projector.
Explanation
Powering down a visual projector properly before unplugging it from the electrical outlet is important because there is a possibility of residual heat damage to the internal components of the projector. When a projector is in use, it generates heat, and abruptly unplugging it without allowing it to cool down properly can cause damage to the internal components. By powering it down properly, the projector goes through a cooling process, ensuring that the internal components are not subjected to excessive heat, which could potentially lead to damage.
5.
What is the recommended First step to take prior to diagnosing or reparing a computer?
Correct Answer
A. Backup all data currently on the computer
Explanation
The recommended first step to take prior to diagnosing or repairing a computer is to backup all data currently on the computer. This is important because during the diagnostic or repair process, there is a possibility of data loss or corruption. By backing up the data beforehand, it ensures that important files and information are not lost in case anything goes wrong during the repair process. This step also provides a safety net to restore the data if needed after the repair is completed.
6.
What will cause a computer to report a SMART error on startup?
Correct Answer
B. A faulty Harddrive
Explanation
A faulty hard drive can cause a computer to report a SMART error on startup. SMART (Self-Monitoring, Analysis and Reporting Technology) is a system built into hard drives to monitor their health and detect potential failures. If the hard drive is faulty, it may fail the SMART test during startup, triggering the error message. This can indicate issues such as bad sectors, imminent drive failure, or other problems with the storage device.
7.
Which of the following would you ask a client when troubleshooting their system? (Choose 3)
Correct Answer(s)
A. Can you show me the problem
C. Has any new software been installed recently
E. Have any other changes been made to the computer recently.
Explanation
A, C, E, Ask the user to show you exactly where and when they experience the problem.
New software can mean incompatibility problems with existing problems. This is especially true for Windows Programs. A new Windows program can overwrite a required DLL file with a newer version of the same name, which an older program may not find useful.
If changes were made to the computer, ask if they can rememer approximatly when the change was made. Then ask them approximatly when the problem started. If the two dates seem related, theres a good chance that the problem is related to the change.
8.
Which of the following troubleshooting steps usually takes place after you have talked to the user expierencing the problem?
Correct Answer
A. Gathering Information on the issue
Explanation
Gathering information on the issue is usually the second step in troubleshooting of an issue. This step involves ascertaining whether hardware or software being addes caused the issue, whether the issue can be reproduced, whether the user performed an action that resulted in the issue and so on.
9.
Which of the following troubleshooting steps require you to have knowledge on the different system and configuration areas, and the utilities needed to troubleshoot these areas?
Correct Answer
C. Isolating possible causes of the issue, and eliminating possibilities
Explanation
Isolating possible causes of the issue and eliminating possibilities usually follow after you have gathered information on the problem. This is where your knowledge on the different system and configuration areas is important, as well as knowing the various tools and utilities used to troubleshoot and debug issues pertaining to these areas.
10.
Which of the following questions would you ask a customer First when he reports a blank monitor? (choose 2)
Correct Answer(s)
A. Is the monitor switched on?
C. Have you checked whether the contrast or brightness is turned down?
Explanation
Any number of things can cause a blank screen. The first two are the most common: either the power is off or the contrast or brightness is turned down.
11.
After booting up your new computer, you observe that the USB mouse is not working. Further investigation reveals that nothing connected to the USB ports is working. Which of the following should you try first?
Correct Answer
C. Check the bios to verify that USB functionality is enabled?
Explanation
The most likely reason for the USB mouse and other USB devices not working is that the USB functionality may be disabled in the computer's BIOS settings. Checking the BIOS to verify that USB functionality is enabled would be the first step to take in troubleshooting this issue. It is important to ensure that the USB ports are enabled in the BIOS to allow proper communication with the connected devices.
12.
How can you access the unsigned drivers options?
Correct Answer
D. Click on system properties and then the hardware tab.
Explanation
To access the unsigned drivers options, you need to click on "system properties" and then navigate to the "hardware" tab. This option allows you to manage and configure various hardware settings, including the installation of unsigned drivers. By accessing the hardware tab within system properties, you can enable or disable the installation of drivers that are not digitally signed, providing more flexibility in driver installation.
13.
Which of the following devices are hot-swappable?
Correct Answer
C. A USB printer
Explanation
A USB printer is hot-swappable because it can be connected or disconnected from a computer while the system is running without causing any damage or requiring a system restart. This means that users can easily plug in or unplug the USB printer without disrupting their work or the functioning of the computer. On the other hand, an SVGA monitor, IDE hard drive, and ps/2 keyboard and mouse are not hot-swappable as they require the system to be powered off before connecting or disconnecting them.
14.
What should be done when you find that you are unable to select the desired refresh rate on your CRT monitor? (Choose 2)
Correct Answer(s)
B. Check if the manufacturer card and monitor is properly identified in Windows.
D. Obtain and install updated drivers for both the card and the monitor
Explanation
When you find that you are unable to select the desired refresh rate on your CRT monitor, you should check if the manufacturer card and monitor is properly identified in Windows. This is important because if the card and monitor are not properly identified, the system may not be able to support the desired refresh rate. Additionally, you should obtain and install updated drivers for both the card and the monitor. This is necessary because outdated drivers may not have the necessary compatibility or functionality to support the desired refresh rate.
15.
What should you do to address a situation where a user is no longer able to access certain files on the hard drive?
Correct Answer
B. Check the file-permissions on the hard drive
Explanation
To address a situation where a user is no longer able to access certain files on the hard drive, checking the file-permissions on the hard drive is the appropriate action to take. This involves verifying the access rights and permissions for the user on the affected files. By doing so, any incorrect or restricted permissions can be identified and modified accordingly, allowing the user to regain access to the files without the need for reformatting or reloading the computer, deleting and re-creating the user account, or logging the user in as a power user.
16.
What can cause two new IDE devices that is installed on the second IDE controller not to function? (Select all that apply)
Correct Answer(s)
A. Both devices are jumpered as master
C. Both devices are jumpered as slave
Explanation
If you have two drives on a bus and both are set to master, neither drive will work because they will be fighting each other for control of the disks. If you have two drives on a bus and both are set to slave, neither drive will work because the disks wont know where to get their instructions from.
17.
What is the best thing to do if your power supply is not functioning?
Correct Answer
C. Replace the power supply
Explanation
It is extermely dangerous to open the case of a power supply. Besides, power supplies are inexpensive, so it would probably cost less to replace them than to try to fix them, and it would be much safer.
18.
A client has a blank monitor and the fan on the power supply is not working. What could be the cause of the problem? (choose two)
Correct Answer(s)
C. The computer is unplugged
D. The power supply is bad
Explanation
The first thing to check is the plug because nothing is happening with the system, if after you plug it in and nothing happens after switching on, then it is the power supply that may have gone bad.
19.
A clients computer was working fine the day before, but now all he gets is one short beep and nothing on the screen. What could be the problem.
Correct Answer
C. There is a video adapter failure
Explanation
A video card failure is indicated by one short beep and no display on the screen.
20.
As soon as you log in to your desktop the following box pops up saying : Services.exe bad windows image file C:\windows\system32\mmcyptojqly.dll. You suspect a rootkit infection so you restart and try to enter safe mode, however safe mode will not load, What will you do to fix the problem without formatting the computer? (choose 2)
Correct Answer(s)
A. Run recovery console and disable all but critical system services then load safe-mode
C. Run a repair on your operating system
Explanation
Your services process was hijacked by a piece of malware which has now pointed the program to that dll instead of the normal file. Safe mode is not working because the Rootkit is running its own service programmed to run in safe-mode which is preventing the complete start-up of safe-mode. Using the recovery console you can prevent any non-critical processes from loading and then attempt to load safe-mode. If that does not change anything, you can use your Windows CD to run a repair install on the operating system.
21.
Which of the following is the FIRST thing you should check when a new IDE hard drive is not recognized?
Correct Answer
C. The jumper settings
Explanation
Jumper settings are the first thing to check when a new drive isnt being recognized. Make sure you have opened up access to the new drive by changing the first drives's jumper switches.
22.
Which of the following statements provides the reason why a scanner, that worked previously, lights up, performs the warm-up process, but the lamp does not respond when the scan button is pressed.
Correct Answer
D. The scanner lamp got stuck and consequently locked in place.
Explanation
The reason why the scanner lamp does not respond when the scan button is pressed is because it got stuck and locked in place. This means that even though the scanner goes through the warm-up process and lights up, the lamp is physically unable to move and therefore cannot perform the scanning function.
23.
What is the next step to take when you are updating a malfunctioning PCI card with a driver that you downloaded from the manufacturers web site and the card still does not work.?
Correct Answer
D. The PCI card should be replaced
Explanation
If updating the driver from the manufacturer's website did not resolve the issue and the PCI card still does not work, the next logical step would be to replace the PCI card. This is because the malfunctioning card may have a hardware issue that cannot be fixed by simply updating the driver. By replacing the card, it allows for a fresh start and the possibility of resolving the problem.
24.
What are the possible consequeces of making use of an onboard video card?
Correct Answer
D. There may be a reduction in the amount of RAM dedicated to the Operating System
25.
What is the most likely cause why a fan or powersupply in a computer would stop functioning?
Correct Answer
B. There must be dust on the inside of the computer case
Explanation
Dust accumulation inside the computer case can cause the fan or power supply to stop functioning. Dust can clog the fan blades, obstructing airflow and causing the fan to fail. It can also block the vents and heat sinks, leading to overheating of the components, including the power supply. Regular cleaning and maintenance of the computer case can prevent dust buildup and ensure proper functioning of the fan and power supply.
26.
What is the MOST likely reason why a new CPU that was just installed, overheated and shutsdown when the computer is turned on?
Correct Answer
B. The heatsink fan was not properly plugged in
Explanation
The most likely reason for the new CPU overheating and shutting down when the computer is turned on is that the heatsink fan was not properly plugged in. The heatsink fan is responsible for cooling down the CPU by dissipating heat. If it is not properly connected or not functioning properly, the CPU can quickly overheat, causing the computer to shut down as a safety measure.
27.
How will you know that the BIOS detected a video adapter failure when booting up the computer?
Correct Answer
B. You will hear a beep code
Explanation
When booting up the computer, if the BIOS detects a video adapter failure, it will generate a beep code as an indication of the problem. This beep code is a series of beeps that can vary in length and pattern depending on the specific issue. By listening to the beep code, the user can identify that there is a problem with the video adapter and take appropriate actions to resolve it.
28.
What does the BIOS check for during POST?
Correct Answer
A. The correct operation of memory
Explanation
During the POST (Power-On Self Test), the BIOS (Basic Input/Output System) checks for the correct operation of memory. This is an essential step in the boot process as it ensures that the computer's memory is functioning properly. If any issues are detected, the BIOS will typically generate error codes or beep patterns to indicate the specific problem. By verifying the memory's correct operation, the BIOS ensures that the computer can successfully proceed with the boot process and execute tasks effectively.
29.
Why will a system only boot into VGA mode after a new video card has been installed?
Correct Answer
B. Incorrect drivers have been loaded when the card was installed
Explanation
When a new video card is installed, the system may only boot into VGA mode if incorrect drivers have been loaded during the installation process. VGA mode is a generic display mode that allows the system to function with basic video capabilities. If the correct drivers are not installed, the system may default to VGA mode as a fallback option. This can happen if the wrong drivers are selected or if the installation process encounters errors.
30.
What would cause a computer to automatically reboot?
Correct Answer
A. Overheating CPU
Explanation
A power failure would shut down the computer, not reboot it. Insufficient memory and possibly faulty software should merely produce an alert to the computer user. Overheating CPU, or in some cases overheated memory, will cause random reboots whenever the CPU reaches the temperatures above the intended working temperature.
31.
After installing a new Network Interface Card (NIC) on your WinXP computer, the system reboots continuously. How will you correct this problem?
Correct Answer
C. Use the Last Known Good Configuration
Explanation
Last Known Good Configuration, or booting into safe mode and removing the bad driver are the tools techs use to fix computers with faulty drivers.
32.
A Network Admin at bobs company has several workstations with 802.11g network adapters. Each day at around lunchtime wireless users complain of lack of connectivity. What can you do solve this problem?
Correct Answer
B. Reduce the Radio Frequency around the WAP
Explanation
To solve the problem of lack of connectivity during lunchtime, reducing the radio frequency around the wireless access point (WAP) would be an effective solution. By reducing the radio frequency, interference from other devices or networks operating on the same frequency can be minimized, improving the overall connectivity for the wireless users. This can be achieved by adjusting the channel settings on the WAP or by using tools to identify and avoid congested frequency bands.
33.
Which file is responsible for querying the computer for information like date ; time; bus types;number, size and type of disk drives?
Correct Answer
C. NTDetect.com
Explanation
NTDetect.com is responsible for querying the computer for information like date, time, bus types, number, size, and type of disk drives.
34.
Which of the following accuratly describe the phase in the startup process that does the initial hardware check?
Correct Answer
D. POST
Explanation
POST stands for Power-On Self-Test, which is a phase in the startup process of a computer. During this phase, the computer's hardware components are checked to ensure they are functioning properly. This includes checking the CPU, memory, storage devices, and other hardware components. Therefore, POST accurately describes the phase in the startup process that does the initial hardware check.
35.
What doees the yellow exclamation mark next to the device in the Device Manager indicate when a new sound card fails to work after a reboot of a Windows-based system?
Correct Answer
A. There is an IRQ conflict
Explanation
The yellow exclamation mark next to the device in the Device Manager indicates that there is an IRQ conflict. This means that there is a conflict between the sound card and another device in the system that is trying to use the same Interrupt Request (IRQ) line. This conflict prevents the sound card from functioning properly after a reboot of the Windows-based system.
36.
How do you determine pin 1 on a ribbon cable?
Correct Answer
D. The first pin on the colored side of the ribbon cable.
Explanation
The correct answer is the first pin on the colored side of the ribbon cable. This is because in most ribbon cables, one side is colored while the other side is not. The colored side typically indicates the orientation and numbering of the pins. Therefore, pin 1 can be found on the colored side of the ribbon cable.
37.
How can you check which users have permission to install drivers? (Check 2)
Correct Answer(s)
A. Check the Local Security Policy
E. Check all user accounts
Explanation
You can check which users have permission to install drivers by checking the Local Security Policy. This policy allows you to view and modify the security settings for a local computer. Additionally, you can also check all user accounts to see if they have the necessary permissions to install drivers. By reviewing the permissions assigned to each user account, you can determine who has the ability to install drivers on the system.
38.
A six month old computer that has never been on the Internet is beginning to operate much slower than it should and takes twice as long to open documents than it did when it was new, what should be done to rectify the problem?
Correct Answer
A. Improve the performance using either Disk cleanup or Disk Defragmenter.
Explanation
To rectify the problem of a slow computer, the performance can be improved by using either Disk cleanup or Disk Defragmenter. Disk cleanup helps to remove unnecessary files and free up space on the hard drive, which can improve the overall performance. Disk Defragmenter, on the other hand, rearranges fragmented data on the hard drive, making it more efficient and reducing the time it takes to access files. By using either of these utilities, the computer's performance can be improved and the time taken to open documents can be reduced.
39.
Which of the following are good practice for optimizing system performance? (Choose 3)
Correct Answer(s)
C. Schedule the regular deletion of temporary files
D. Schedule the regular defragmenting of the hard drive.
E. Schedule the regular running of an anti-spyware/malware program
Explanation
Scheduling the regular deletion of temporary files helps optimize system performance by freeing up disk space and reducing clutter. Regularly defragmenting the hard drive helps improve file access and overall system speed. Running an anti-spyware/malware program regularly helps protect the system from malicious software that can slow down performance.
40.
Which of the following will provide the fastest interface for printing from a workstation?
Correct Answer
A. USB 2.0
Explanation
USB 2.0 will provide the fastest interface for printing from a workstation because it has a higher data transfer rate compared to the other options. USB 2.0 has a maximum data transfer rate of 480 Mbps, while USB 1.1 has a maximum rate of 12 Mbps. Bluetooth and IEEE 802.11g are wireless technologies that have even lower data transfer rates compared to USB, making USB 2.0 the fastest option for printing.
41.
Which tab in the systems properties window will yield information regarding the amount of random access memory (RAM) that is currently installed on a WinXP computer?
Correct Answer
D. The general tab.
Explanation
The general tab in the systems properties window will yield information regarding the amount of random access memory (RAM) that is currently installed on a WinXP computer. This tab provides general information about the computer system, including the amount of RAM installed.
42.
What is the significance of the ntbootd.sys file on Windows XP professional computers?
Correct Answer
A. It is required for SCSI devices
Explanation
The ntbootd.sys file is significant on Windows XP professional computers because it is required for SCSI devices. SCSI (Small Computer System Interface) is a type of interface used to connect various devices such as hard drives, tape drives, and scanners to a computer. The ntbootd.sys file contains the necessary drivers and instructions for the operating system to recognize and communicate with SCSI devices. Without this file, the computer would not be able to properly interface with SCSI devices and utilize their functionality.
43.
What is the term used to refer to the technology that allows one to monitor hard drives for potential failure?
Correct Answer
C. SMART
Explanation
SMART stands for Self-Monitoring, Analysis, and Reporting Technology. It is a technology that allows users to monitor the health and performance of their hard drives. SMART continuously collects data about various parameters such as temperature, error rates, and bad sectors, and alerts the user if any potential failure is detected. This helps users to take preventive measures such as backing up their data or replacing the failing hard drive before it completely fails, thus minimizing the risk of data loss.
44.
Which Utility can be used to check whether a single program is occupying most of the cpu Resources?
Correct Answer
B. Task Manager
Explanation
Task Manager is the correct answer because it is a built-in utility in Windows that allows users to monitor the performance of their computer. It provides real-time information about the CPU usage, memory usage, and other system resources. By opening the Task Manager, users can easily identify which program is consuming the most CPU resources and causing high usage. This information can be helpful in troubleshooting performance issues and managing system resources effectively.
45.
Which of the following shoud be included when performing preventative maintenece of hardware? (choose 2)
Correct Answer(s)
A. Checking environmental conditions
D. Checking for visual defects.
Explanation
Hardware compatability should have been ensured before buying the components in the first place, and there is no need to replace the cables unless there is a visual defect on them.
46.
When cleaning a monitor it is recommended that you apply cleaning solution to?
Correct Answer
B. A lint-free cloth
Explanation
When cleaning a monitor, it is recommended to apply cleaning solution to a lint-free cloth. This is because lint-free cloths are designed to not leave any fibers or residue behind, which can potentially damage the screen or affect its clarity. Using a soft brush or a damp sponge may not be suitable as they can leave scratches or moisture on the display screen, leading to potential damage.
47.
What should you do to effectivly reduce unnecessary and redundant effort when troubleshooting and repairing computers?
Correct Answer
A. The activities and outcomes of repair steps should be documented
Explanation
To effectively reduce unnecessary and redundant effort when troubleshooting and repairing computers, it is important to document the activities and outcomes of repair steps. This documentation serves as a reference for future troubleshooting, ensuring that the same steps are not repeated unnecessarily. It also helps in tracking the progress of the repair process and can be shared with other technicians if needed. By documenting the repair steps, technicians can easily identify patterns, common issues, and potential root causes of failure, leading to more efficient and effective troubleshooting. Additionally, documenting the problem resolution and discussing it with the user helps in understanding any recent changes that may have caused the issue, preventing similar problems in the future.
48.
Which backup takes longest to complete?
Correct Answer
C. Full
Explanation
A full backup takes the longest to complete because it involves backing up all the data and files on a system, regardless of whether they have changed or not. This means that every file, folder, and database is copied to the backup storage, which can be time-consuming, especially for large amounts of data. In contrast, incremental, daily, and differential backups only copy the files that have changed since the last backup, resulting in shorter backup times.
49.
Which location is best suited for data backup storage?
Correct Answer
B. A secure offsite facility
Explanation
A secure offsite facility is the best location for data backup storage because it provides a higher level of security and protection for the data. It is separate from the main location, reducing the risk of physical damage or theft. The facility is designed to have advanced security measures such as surveillance cameras, access control systems, and fire suppression systems. It also ensures that the data is stored in a controlled environment with proper temperature and humidity levels. This makes it an ideal choice for keeping backups safe and secure.
50.
What can be used to put out fires that start in a computers power supply?
Correct Answer
D. Class C fire extinguisher
Explanation
A Class C fire extinguisher is the correct answer because it is specifically designed to extinguish fires that involve electrical equipment, such as a computer power supply. These types of extinguishers use non-conductive agents that can safely put out the fire without causing harm to the user or further damage to the equipment. Class B fire extinguishers are used for flammable liquid fires, Class D fire extinguishers are used for combustible metal fires, and Class A fire extinguishers are used for ordinary combustible material fires.