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Practice test for Comptia A+ Exam 220-222 Operating System Technologies

6. One of your company Windows 98 users reports that the taskbar is missing. You verify that this is the problem with the registry. What should you do to remedy this problem? (Choose two possible answers)

A. Edit the system.ini file using notepad.
B. Use regedit.exe to edit the registry content.
C. Restore the registry from the backup.
D. Edit the Win.ini file using notepad.

From Microsoft Web site:

====================================================================================
SYMPTOMS
When you start Windows, the taskbar may be missing or not displayed correctly.

CAUSE
This issue can occur if the registry has been damaged.

=====================================================================================

In Windows 9x, registry should be edited using regedit.exe. In addition, you can also restore the backup copy of your registry to resolve the problem. Win.ini and system.ini are used by Windows 3.x to store system settings, however, in Windows 9x, their roles have been replaced by registry.

Answer: B and C

References:
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q247502

Free Comptia A+ Practice Test question number #1 provided by http://www.itexams.co.uk for Exam 220-222

 

14. When KERNEL32.DLL error appears in Windows 9x, which of the following might be corrupted and can be rebuilt by deleting the file?

A. C:\Win386.swp
B. C:\Pagfile.sys
C. C:\Windows\System\KERNEL32.DLL
D. C:\Windows\KERNEL32.DLL
E. C:\windows\temp\Win386.swp
F. C:\windows\temp\Pagfile.sys

From Microsoft Web site: ====================================================================================
Check for a Corrupted Swap File
The Kernel32.dll error may also appear if your Windows swap file is corrupted. To create a new swap file, restart the computer in MS-DOS mode, delete the Win386.swp file in the Windows folder, and then restart the computer. To create a new swap file, follow these steps:
On the Start menu, click Shut Down.

In the Shut Down Windows dialog box, click "Restart the Computer in MS-DOS Mode," and then click Yes.

At the MS-DOS prompt, switch to the Windows folder by typing the following command:

cd <drive>:\Windows

where <drive> is the drive letter that contains the Windows folder.

Typically, <drive> is C.

NOTE : The swap file exists in the Windows folder if Windows manages virtual memory settings on your computer. If you chose to manage virtual memory settings on the computer, the swap file exists at the root level of the hard disk. To determine whether Windows manages virtual memory settings, right-click My Computer, click Properties, click Performance, and then click Virtual Memory.

To delete the swap file, type the following:

del Win386.swp
After you delete the swap file, restart the computer.

=====================================================================================

As show in the above document, kernel32.dll error might be caused by corrupted swap file. The name of Windows 9x swap file is call win386.swp. Pagefile.sys is the swap file for Windows 2000. Typically, the file is stored in C:\Windows, however, if you manually configured the virtual memory, then it would be stored in C:\win386.swp

Answer: A

References:
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q164519


Free Comptia A+ Practice Test question number #2 provided by http://www.itexams.co.uk for Exam 220-222

 

19. You created a partition with size of 2GB by using Windows 95 Fdisk utility and then formatted it as FAT16 file system. After that, the Windows 95 is upgraded to Windows 98. The system has been used for a while and eventually running out of disk space. Which of the following can increase the amount of available disk space in the hard drive to solve the out of disk space problem? (Choose two)

A. Compress the hard drive
B. Convert the drive to FAT32.
C. Encrypt the drive.
D. Convert the drive to NTFS.

FAT16 only support up to 4 GB of disk space. The larger a FAT16 partition is, the larger the cluster size is, this is because the maximum number that 16 bits unit can support is 65536 (2^16=65536). This limits the maximum number of entries for FAT16 at only 64K. As such, for 4GB of disk space, the cluster size will be 4GB/64K = 64KB. For a 64KB cluster, each file will waste an average of 32KB. This is because each file will end at a cluster and may not fully fill up that cluster. For example, if you have a file with 100 KB, the file will use 2 clusters, the first cluster will be fully filled with 64KB and the second cluster will only fill with 36KB thus wasting 28KB. In contrast, FAT32 does not increase the cluster size when the partition size increase. This save a lot of disk space as the amount of disk space wasted at the last cluster will be reduced. Because of that, you can increase the amount of disk space available in the hard drive by converting a FAT16 drive to FAT32. In addition, you can also compress the hard drive. Windows 98 does not support file encryption or NTFS.

Answer: A,B

References:
http://www.microsoft.com/windows2000/techinfo/reskit/en/ProRK/prdf_fls_tllv.htm

Free Comptia A+ Practice Test question number #3 provided by http://www.itexams.co.uk for Exam 220-222


40. What is the correct order of the file needed by Windows 2000 at the startup process? (Arrange them in the correct order)

A. NTLDR
B. Ntoskrnl.exe
C. Ntdetect.exe
D. Boot.ini

On system startup, Ntldr switches the CPU to protected mode, starts the file system, and then reads the contents of the Boot.ini file. This information determines the startup options and initial boot menu selections. After that, Ntdetect.com gathers basic hardware configuration data and passes this information to Ntldr. Next, Ntldr passes the information collected by Ntdetect.com to Ntoskrnl.exe. Ntoskrnl then loads the kernel, HAL, and registry information.

Answer: A,D,C,B

References:
http://www.microsoft.com/technet/treeview/default.asp?url=/TechNet/prodtechnol/winxppro/reskit/prmc_str_njcq.asp


Free Comptia A+ Practice Test question number #4 provided by http://www.itexams.co.uk for Exam 220-222

111. A KERNEL32.DLL error messages occurs when user try to open the Control Panel. What is the most likely problem?

A. Corrupted Swap file.
B. Kernel32.dll is damaged.
C. .CPL file is damaged.
D. .CPL file is missing

If a .CPL file is missing, it will not be showing up at the control panel. Corrupted swap file is one of the possible reasons that may cause Kernel32 error, but the above case happen when user try to open the control panel, hence the more appropriate answer is .CPL file is damaged. See the reference for a statement from Microsoft about .cpl file causing kernel32 error.

Answer: C

References:
http://support.microsoft.com/support/windows/topics/errormsg/kbkern.asp

 

Free Comptia A+ Practice Test question number #5 provided by http://www.itexams.co.uk for Exam 220-222

 

117. What is the main function of the Virtual memory?

A. Uses ROM for extra memory
B. Uses RAM for extra memory
C. Uses Hard disk space for extra memory
D. Uses the Internal cache memory in a processor for extra memory.
E. Uses the Video card memory for extra memory.
F. Uses RAM for Video card memory.

From Microsoft Documentation:

=====================================================================================
Virtual Memory -
Temporary storage used by a computer to run programs that need more memory than it has. For example, programs could have access to 4 gigabytes of virtual memory on a computer's hard drive, even if the computer has only 32 megabytes of RAM. The program data that does not currently fit in the computer's memory is saved into paging files.

======================================================================================
You cannot write to Read only memory as it only allow the read operation, any write operation must be done before the memory is assembled to the system. RAM itself is a real memory, hence cannot be used as a virtual memory. CPU cache is used to temporarily hold the most frequently used data in a very fast memory inside a CPU so that CPU can retrieve the information straight away rather than copying them from the system memory, however, this is not called virtual memory. We cannot use video card memory as extra memory to our memory system. Although we can use our RAM as video card memory in some system, that is not regards as virtual memory.

Answer: C

References:
http://www.microsoft.com/windows2000/en/server/help/Glossary.asp?selectedphrase=Virtual+Memory

Free Comptia A+ Practice Test question number #6 provided by http://www.itexams.co.uk for Exam 220-222

165. You would like to setup Internet Connection Sharing in your office so that all computers are able to connect to Internet using a single internet connection, which of the followings are the requirements? (Choose three)

A. An Internet Account.
B. A connection to the Internet either via dial-up or permanent connection.
C. A connection to the Internet via Permanent connection.
D. An OS that support the Internet Connection sharing such as Windows 2000 and Windows 98
E. An OS that support the Internet Connection sharing such as Windows 2000 and Windows 98 Second Edition.

You can setup internet connection sharing using an OS that support this features such as Windows 98 Second edition, Windows 2000 Professional or Windows 2000 Server. If you are using a dial-up connection, you can set the connection to dial on demand so that whenever someone need the connection, the system will dial to the Internet. Since dial on demand is supported, it is not necessary to have a permanent connection to the Internet.

Answer: A, B, E

 

Free Comptia A+ Practice Test question number #7 provided by http://www.itexams.co.uk for Exam 220-222

 

171. Identify the situation where Automatic Private IP addressing (APIPA) will be used to assign IP address in a Windows 2000 Computer? (Choose two)

A. When A computer is configured to obtain IP address automatically but DHCP server is not available.
B. When A network Card is not detected.
C. When A computer is configured to obtain IP address automatically but the network card is not connected to the network.
D. When A computer is configured to obtain IP address automatically.

From Glossary-tech.com
With APIPA, DHCP clients can automatically self-configure an IP address and subnet mask when a DHCP server isn't available
When a DHCP client boots up, it looks for a DHCP server to obtain an IP address, subnet mask, and other possible DHCP options configured on the server. If the client is unable to obtain a lease from a DHCP server, the client uses APIPA and automatically configures itself with an IP address from the Microsoft-reserved IP address range of 169.254.0.1 through 169.254.255.254. The Internet Assigned Numbers Authority has reserved this range for private IP addressing, so no one can use it on the Internet. The client also configures itself with a default class B subnet mask of 255.255.0.0. A client uses the self-configured IP address until a DHCP server becomes available. Obviously, APIPA is meant for nonrouted small business environments.

When a computer is not plug into the network, APIPA will be used to assign the IP address as the computer will not be able to find a DHCP in the network when it is not plug into the network.

Answer: A, C

References:
http://www.glossary-tech.com/apipa.htm

Free Comptia A+ Practice Test question number #8 provided by http://www.itexams.co.uk for Exam 220-222

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