Deck 11: Operating System Management and Maintenance

Question 1

You find that disk operations on your server have gradually gotten slower. You look at the hard disk light and it seems to be almost constantly active and the disk seems noisier than when you first installed the system. What is the likely problem?

A)the disk spindles need to be greased
B)the disk is fragmented
C)there are bad sectors on the disk
D)you have not implemented quotas

Answer 1

B

Question 2

Deleting temporary files on a Windows system is not necessary because Windows doesn't create temporary files.

Answer 2

False

Question 3

Which command should you run on a Windows system to check for and fix problems with the file system?

A)fsck
B)p_fsck
C)chkdsk
D)dskrep

Answer 3

C

Question 4

Which of the following is a database of information about the Windows operating system including customized settings and software installations?

A)registry
B)performance monitor
C)changelog
D)\windows\system32

Question 5

Which of the following is NOT an argument for using RAID?

A)increased speed
B)decreased costs
C)increased storage capacity
D)increased reliability

Question 6

Which of the following is a method to defragment a hard disk?

A)backup the disk and do a full restore
B)copy the files to a server, reboot, and copy the files back to the disk
C)restart the computer in the BIOS and reset the BIOS to system defaults
D)delete all your applications and then re-install them

Question 7

Where is virtual memory stored on a Linux system?

A)pagefile.sys
B)lower portion of RAM
C)swap file system
D)upper portion of RAM

Question 8

Which of the following is a file extension that indicates the file type of application in a Windows environment?

A)ocx
B)app
C)ini
D)exe

Question 9

A differential backup backs up files that have changed since the last full backup.

Question 10

Which command should you use on a Linux system to find and print a list of files that begin with acctg that have been modified in the last 10 days?

A)find -name acctg* -mtime -10 -print
B)search -name acctg* -mod 10 -print
C)find -name *acctg -mod 10 -print
D)search -name *acctg -mtime 10 -print

Question 11

Which of the following is a file extension in Windows that indicates an ActiveX control?

A).cpl
B).mcs
C).ocx
D).cat

Question 12

Disk fragmentation causes reduced disk performance because the disk read/write heads must move longer distances.

Question 13

Which of the following values is the recommended maximum percentage of disk space you should use for best reliability?

A)50
B)20
C)95
D)80

Question 14

Virtual memory is a storage area in a computer's RAM that is set aside for the page file.

Question 15

In modern Windows operating systems, such as Windows 10, what feature can you configure to return to a previous system configuration in case one or more system files are deleted or if the installation of a new device causes operating system problems?

A)registry backups
B)volume shadow copy service
C)system protection
D)driver signing

Question 16

Which of the following RAID configurations uses disk striping plus mirroring for fault tolerance?

A)RAID 0
B)RAID 10
C)RAID 1
D)RAID 5

Question 17

If you analyze your disk and find that most of the files are stored contiguously on the disk, what should you do?

A)run a disk fragmenting utility
B)run a disk defragmenting utility
C)run chkdsk immediately
D)nothing, the files are stored optimally

Question 18

The organization of the file system on a server has no impact on network performance or security.

Question 19

Which of the following is NOT a good rule to follow when creating a file structure?

A)keep a manageable number of folders in the root
B)create a folder for deleted files to be stored temporarily
C)keep different versions of software in their own folders
D)group files with similar security needs

Question 20

Which of the following commands should you use to delete files on a Linux system?

A)mv
B)rm
C)del
D)erase

Question 21

What command-line utility can you use in Linux to monitor paging?

A)pagemon
B)nbtstat
C)vmstat
D)ifstat

Question 22

What is the difference between writing in linear fashion and writing in sequential fashion?

Question 23

What is the difference between an incremental and differential backup?

Question 24

Describe the Windows registry.

Question 25

What are the advantages of leaving operating system files in the folders created by the OS?

Question 26

What is name for a network problem in which the NIC saturates the network with repeated packets?

A)broadcast storm
B)packet fragments
C)ping flood
D)frame collision

Question 27

You suspect a problem with a file that is important to one of your installed applications. You are running Windows 7 64-bit edition. You have thoroughly checked the Program Files folder and cannot find the folder that holds this application. What might be the problem?

Question 28

Which of the following is a general rule you should consider when configuring a page/swap file in Windows?

A)only systems with less than 1 GB RAM need a page file
B)the initial size should be set to 1.5 times the amount of RAM
C)Linux systems don't allow page file configuration
D)if the swap file system is more than 50% full, it should be increased in size

Question 29

Which of the following is a true statement about rotating backup media?

A)it can protect against media failure
B)you should never have more than one full set of media
C)media rotation is only necessary with tape drives
D)media rotation only happens with hard drives since the platters rotate

Question 30

List three rules for creating a file structure.

Question 31

Which utility can you use in Linux to see basic statistics for your network interface?

A)tracert
B)ipconfig
C)nbtstat
D)ifstat

Question 32

Under what circumstance should you always let Windows manage the paging file size when running Windows Server 2012 and newer?

A)you are using a dual core processor
B)the paging file is on the boot disk
C)your RAM is less than 4 GB
D)storing the paging file on an SSD

Question 33

Which of the following is NOT true about using the ping utility?

A)it determines whether a network connection is working
B)it can determine if two networks can communicate with one another
C)it provides round trip time statistics
D)it cannot work through routers

Question 34

Describe the technique of moving disk files to extend the life of a disk.

Question 35

What is System Protection and how do you configure it?

Question 36

What are cookies?

Question 37

Which backup type creates an exact image of the disk contents?

A)file-by-file backup
B)mirror backup
C)binary backup
D)differential backup

Question 38

What is a good response time on a LAN for the ping utility?

A)1 ms
B)100 ms
C)1 Kb
D)10 Kb

Question 39

Which of the following is a partial backup that backs up files that have changed since the last full or incremental backup?

A)differential
B)sequential
C)incremental
D)binary

Question 40

Briefly describe how disks can become fragmented.