Which command restores files from a volume group backup on a specified media?() A、mksysb -rB、savevg -rC、restorevg -rD、restorevgfiles

题目

Which command restores files from a volume group backup on a specified media?() 

  • A、mksysb -r
  • B、savevg -r
  • C、restorevg -r
  • D、restorevgfiles
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第1题:

The mksysb command completed successfully. Which of the following steps are necessary to verify the mksysb is good?()

A.Store the mksysb in a safe place because a successful completion guarantees the mksysb is good.

B.Boot from the mksysb to verify it is bootable and list the files on the mksysb.

C.Look at the bosboot output when the mksysb was created to verify it is good.

D.List the files on the mksysb beucase listing all the files verifies there are no problems with the mksysb.


参考答案:B

第2题:

Which command can be used to show volume group information about filesystems and OS levels for a specified mksysb called server1.mksysb?()

A.lsmksysb -lf server1.mksysb

B.restore -mrT server1.mksysb

C.listbackup -fT server1.mksysb

D.listvgbackup -l server1.mksysb


参考答案:A

第3题:

Before performing a mksysb system backup, which of the following procedures should a system administrator perform to avoid backing up certain user files?()

A.Add the list of files to /etc/exclude.rootvg.

B.Modify the image.data file and add the files to be excluded form the backup.

C.Modify the bosinst.data file and specify which files are to be excluded from the backup.

D.Specify the files to be excluded on the command line when executing the mksysb command.


参考答案:B

第4题:

An administrator wants to restore the /etc/resolv.conf file from a mksysb backup onto server1.  After the mksysb is mounted in /mnt/backup/ from the local nim server, which command should be run to restore the file? () 

  • A、tar -xvf /mnt/backup/server1.mksysb ./etc/resolv.conf
  • B、restore -Tvf /mnt/backup/server1.mksysb ./etc/resolv.conf
  • C、listvgbackup -f /mnt/backup/server1.mksysb  -r ./etc/resolv.conf
  • D、restorevgfiles -xrm /mnt/backup/server1.mksysb ./etc/resolv.conf

正确答案:C

第5题:

A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?()

  • A、savevg
  • B、tar
  • C、cpio
  • D、mksysb

正确答案:B

第6题:

A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?()

A.savevg

B.tar

C.cpio

D.mksysb


参考答案:B

第7题:

Which command restores files from a volume group backup on a specified media?()

A.mksysb-r

B.savevg-r

C.restorevg-r

D.restorevg files


参考答案:A

第8题:

An AIX system has a rootvg plus a separate volume group for database application. Which of the following commands are sued to backup the entire system?()

A.smitty mksysb (select additional volume group)

B.mkszfile && mksysb /dev/rmt0

C.smitty mksysb AND smitty savevg

D.smitty savevg (select additional volume group)


参考答案:C

第9题:

An AIX system has a rootvg plus a separate volume group for database application. Which of the following commands are sued to backup the entire system?()

  • A、smitty mksysb (select additional volume group)
  • B、mkszfile && mksysb /dev/rmt0
  • C、smitty mksysb AND smitty savevg
  • D、smitty savevg (select additional volume group)

正确答案:C

第10题:

Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command:   RESTORE CONTROLFILE FROM AUTOBACKUP;   Which of the following statements is true?() 

  • A、 The command restores only the missing control file.
  • B、 The command restores all the control files.
  • C、 The command fails because the database is running.
  • D、 This is the correct way to address this problem.
  • E、 This is not the correct way to address this problem.

正确答案:C,E

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