Disk Operating System (DOS) – Section 3

1. Which DOS command is used to remove and scan memory and disk from viruses?

A. MSAV
B. DEFRAG
C. SCANDISK
D. VSAFE
E. None of the above

Correct Answer: A. MSAV

2. To conserve battery power on your laptop computer. What DOS v6.x command should you use?

A. Powermon.exe
B. Power.exe
C. Idel.com
D. Pw.sys
E. None of the above

Correct Answer: B. Power.exe

3. The Fdisk command in DOS _____ .

A. Partitions the hard drive for use
B. Fixes erroneous hard drive
C. Formats data sectors on a hard drive
D. Checks hard drive for lost clusters
E. None of the above

Correct Answer: A. Partitions the hard drive for use

4. How would you allow device drivers and TSR’s to be loaded into Upper Memory Blocks?

A. DOS=High
B. Devicehigh=
C. Loadhigh=
D. DOS=UMB
E. None of the above

Correct Answer: D. DOS=UMB

5. While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?

A. RESTORE A: *.*/S
B. RESTORE A: *.*/M
C. RESTORE A: *.*/N
D. RESTORE A: *.*/L
E. None of the above

Correct Answer: B. RESTORE A: *.*/M

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