IT Essentials Chapter 5 V5.0 Answers

1. To which category of hypervisor does the Microsoft Virtual PC belong?

Type 1

Type 2

Type 3

Type 4

 

2. Which Windows administrative tool displays the usage of a number of computer resources simultaneously and can help a technician decide if an upgrade is needed?

Services

Performance Monitor

Component Services

Event Viewer

 

3. A user notices that a PC is running slowly and exhibits a delayed response to keyboard commands. What is a probable cause of this symptom?

The video card does not support the resolution that is being used.

A recently installed device driver is incompatible with the boot controller.

A process is using most of the CPU resources.

One or more program files have been deleted.

4. A Windows computer locks with a stop error during startup then automatically reboots. The rebooting is making it difficult to see any error messages. What can be done so that the error messages can be viewed?

Use the Event Log and other diagnostic utilities to research the stop error messages.

View the error messages and recover the system using the System Image Recovery tool.

In Safe Mode use the Advanced Startup Options menu to disable the auto restart function.

Use the Last Known Good Configuration option to restart the operating system.

 

5. A technician has installed a new video driver on a Windows XP computer and now the monitor shows distorted images. The technician needs to install a different video driver that is available on a network server. What startup mode should the technician use to access the driver on the network?

Debugging Mode

Safe Mode

Safe Mode with Networking

Safe mode with Command Prompt

 

6. What would be the result of having a corrupt Master Boot Record?

The printer will function incorrectly.

The operating system will fail to start.

A new application will fail to install.

The keyboard will be unresponsive to the user.

 

7. Which Windows 7 feature allows a user to view the contents of the desktop by moving the mouse to the right edge of the taskbar?

thumbnail previews

Search

jump lists

Shake

Snap

Aero Peek

 

8. What are two features of the active partition of a hard drive? (Choose two.)

The active partition must be a primary partition.

Up to four primary partitions can be marked as active.

The operating system uses the active partition to boot the system.

The active partition may include the manufacturer recovery partition.

An active partition must be assigned C: as the drive letter.

 

9. A technician has loaded an incorrect video driver on a Windows 7 computer. How can the technician revert to a previous driver?

Select the video adapter card Properties in Device Manager, select the Driver tab, and click Roll Back Driver.

Use the Devices and Printers control panel to right-click on the monitor, and select Properties.Select Roll Back Driver.

Select Create a Restore Point from System Tools.

Use regedit to remove the information about the graphics driver from the registry.

 

10. Which two Windows utilities can be used to help maintain hard disks on computers that have had long periods of normal use? (Choose two.)

Disk Cleanup

Disk Format

Disk Maintenance

Disk Partition

Disk Defragmenter

 

11. A Windows XP system is unable to boot properly. What is the procedure to use to boot this system into Safe Mode?

Reboot the system and press Del or F2 depending on the system.

Reboot the system, press and hold F8 until a menu is displayed, and then choose Safe Mode.

From the command prompt run the shutdown -r -s command.

Run the MSCONFIG utility and choose the option Selective Startup.

 

12. A technician notices that a program that is listed in the registry of a Windows computer is not found on that computer. What is a possible solution to the problem?

Restore the ntdetect.com file from the installation media.

Run fdisk /mbr from the command prompt.

Restore the boot.ini file from the installation media.

Reinstall the application. Then, run the uninstall program.

 

13. Which two statements are true about restore points? (Choose two.)

A technician should always create them after updating the operating system.

They are useful to restore the computer to an earlier time when the system worked properly.

They recover personal files that have been corrupted or deleted.

They contain information about the system and registry settings that are used by the Windows operating system.

They back up personal data files.

14. After upgrading a computer to Windows 7, a user notices that the UAC (User Account Control) panel appears more frequently. How can the user reduce the frequency with which the UAC appears?

Replace the graphics card with one that meets the minimum hardware requirements for Windows 7.

In the Performance Options dialog box of the Performance Information and Tools control panel, choose Adjust for Best Performance.

Lower the UAC setting in the Change User Account Control settings dialog box of the User Accounts control panel.

Reinstall all user programs in Compatibility Mode.

15. What is the term for the ability of a computer to run multiple applications at the same time?

multitasking

multiuser

multiprocessing

multimedia

 

16. A technician needs to upgrade the file system on a Windows XP computer from FAT32 to NTFS without losing user data. Which course of action should be taken to upgrade the file system to NTFS?

Use the Disk Management utility to convert the drive from Basic to Dynamic, which changes the file system to NTFS automatically.

Reformat all of the existing partitions and use the NTFS file system.

Run the CONVERT.EXE utility to convert the file system to NTFS.

Reinstall Windows XP and to format the drive choose NTFS when prompted.

 

17. What are two functions of an operating system? (Choose two.)

web browsing

controlling the BIOS

controlling hardware access

managing applications

flow chart editing

program compilation

text processing

 

18. A computer with the Windows 7 operating system fails to boot when the system is powered on. The technician suspects that the operating system has been attacked by a virus that rendered the system inoperable. What measure could be taken to restore system functionality?

Run chkdsk on the affected drive to restore system files to their post-installation state.

Use an incremental backup to restore the system.

Use a system image that was created prior to the failure to restore the system.

Use a differential backup to restore the system.

 

19. A college uses virtualization technology to deploy information security courses. Some of the lab exercises involve studying the characteristics of computer viruses and worms. What is an advantage of conducting the lab exercises inside the virtualized environment as opposed to using actual PCs?

The viruses and worms will have limited functionality inside the virtualized environment.

Virus and worm attacks are more easily controlled in a virtualized environment, thus helping to protect the college network and its devices from attack.

The virtualization environment has better tools to develop mitigation solutions.

The lab exercises are performed faster inside of the virtualized environment.

 

20. What two terms can be used to describe the Windows Virtual PC? (Choose two.)

system resource management

server consolidation

hypervisor

Virtual Machine Manager

operating system sharing

 

21. Which command is used from the Windows command prompt to schedule a program to run at a specific time?

TASKKILL

AT

CMD

TASKLIST

 

22. A user notices that some of the programs that are installed before upgrading to Windows 7 no longer function properly after the upgrade. What can the user do to fix this problem?

Run the programs in Compatibility Mode.

Lower the UAC setting in the Change User Account Control settings dialog box of the User Accounts control.

Use the System Restore utility.

Update the driver for the graphics card.

 

23. What are two advantages of the NTFS file system compared with FAT32? (Choose two.)

NTFS is easier to configure.

NTFS provides more security features.

NTFS supports larger files.

NTFS allows faster access to external peripherals such as a USB drive.

NTFS allows faster formatting of drives.

NTFS allows the automatic detection of bad sectors.

 

24. How much RAM can theoretically be addressed by a 64-bit operating system?

32 GB maximum

64 GB maximum

16 GB maximum

4 GB maximum

128 GB or more