CMS专题

单选题The ‘fsck -p /dev/lv00’ command returned the following message：Not a recognized filesystem type. What is the likely cause of the problem and how should it be resolved？（）A The file system superblock is dirty. It can be replaced from the VGDAB The logica

题目
单选题
The ‘fsck -p /dev/lv00’ command returned the following message：Not a recognized filesystem type. What is the likely cause of the problem and how should it be resolved？（）
A

The file system superblock is dirty. It can be replaced from the VGDA

B

The logical volume superblock is dirty. It can be replaced from the VGDA

C

The file system superblock is dirty. It can be replaced from the secondary copy

D

The logical volume superblock is dirty. It can be replaced from the secondary copy

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相似问题和答案

第1题：

Which of the following commands should be run to verify that file system ／data is not corrupted?()

A.fsck /dta

B.fsck datavg

C.lqueryvg datavg

D.stat /data


参考答案：A

第2题：

Which of the following techniques is used to extract the ／usr／tmp directory from a mksysb backup?()

A.Use the tar command on the fifth image.

B.Use the restore command on the fourth image.

C.Use tctl -f /dev/rmt0.1 fsf 3 followed by the tar command on the fourth image.

D.Reboot using the mksysb tape and then use the dd command to extract the file.


参考答案：B

第3题：

检查已安装的文件系统/dev/had5是否正常，若检查有错，则自动修复，其命令及参数是 fsck –a /dev/had5 。


正确答案：
              

第4题：

在linux系统中，可使用（）检查、修复/dev/hda1文件系统。

  • A、fsck/dev/hda1
  • B、df/dev/hda1
  • C、fdisk/dev/hda1
  • D、mkfs/dev/hda1

正确答案:A

第5题：

Anadministratorisattemptingtorecoverafilesystemthatfailstomanuallyunmount.Thefsckcommandproducesthefollowingoutput：Thecurrentvolumeis：/dev/fslv02Filesystemiscurrentlymounted.Invalidfilesystemsizeintheprimarysuperblock.Invalidfilesystemsizeinthesecondarysuperblock.Primarysuperblockiscorrupt.Secondarysuperblockiscorrupt.fsck：0507-018Superblockiscorruptandcannotberepaired.Bothprimaryandsecondarycopiesarecorrupt.CannotcontinuetriedtomountWhichstepswillresolvetheproblem？（）

A.Reboottheserverintomaintenancemodeandrun‘fsck’withthe‘-p’parameterwhilethefilesystemismounted.

B.Reboottheserverintomaintenancemodeandrun‘fsck’withthe‘-y’parameterwhilethefilesystemisunmounted.

C.Forceaumountofthefilesystemwith‘umount-F/dev/fslv02’，andthenrun‘fsck-p/dev/fslv02’whilethefilesystemisunmounted.

D.Forceaumountofthefilesystembyvaryingoffthehostingvolumegroupandthenvaryonthevolumegroup.Thiswillpermit‘fsck-y’toberunagainstthefailingfilesystem.


参考答案：B

第6题：

ExhibitGiven the information provided in the Exhibit, which of the following procedures will successfully resolve the problem before rebooting in normal mode?()

A.Increase the size of rootvg.

B.Delete unnecessary files in the / (root) file system.

C.Edit /etc/inittab and correct any erroneous entries.

D.Run fsck on the rootvg and recreate the log device with the following command: /usr/sbin/logform /dev/hd8.


参考答案：B

第7题：

Which of the following commands should be run to rebuild a corrupted jfslog, loglv01?()

A.fsck -p loglv01

B.fsck -y /dev/loglv01

C.logform /dev/loglv01

D./usr/sbin/logform loglv01


参考答案：C

第8题：

The ‘fsck －p ／dev／lv00’command returned thefollowing message: Not a recognized filesystem type What is the likely cause of the problem and how should it be resolved?()

A.The file system superblock is dirty. It can be replaced from the VGDA

B.The logical volume superblock is dirty. It can be replaced from the VGDA

C.The file system superblock is dirty. It can be replaced from the secondary copy

D.The logical volume superblock is dirty. It can be replaced from the secondary copy


参考答案：C

第9题：

The system administrator wants to use a new jfslog /dev/fs1log with the filesystem /test/fs1 on the testvg volume group. The following commands were used to create the log and assign it to the filesystem：  （1）mklv -t jfslog -y /dev/fs1log testvg 1   （2）chfs -a log=/dev/fs1log /test/fs1   While trying to mount the /test/fs1 filesystem the administrator received the error：  "Cannot mount /dev/fs1lv on /test/fs1： A system call received a parameter that is not valid". What step did the administrator miss that most likely caused the error？（）

  • A、Use the logform command to format /dev/fs1log as a jfslog
  • B、Use the chlv command to change the lv type of /dev/fs1log to jfslog
  • C、Use the chvg command to change the default jfslog of testvg to /dev/fs1log
  • D、Edit the /etc/filesystems file to change the log associated with /test/fs1 to /dev/fs1log

正确答案:A

第10题：

Which of the following is TRUE about the ping  -f command?（）

  • A、 It is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the "f" in the command line. 
  • B、 It is useful for flooding from slow character based terminals since it only displays a dot "." for each packet sent in fast mode. 
  • C、 It is useful for flooding from slow character based terminals since it only displays a dot "."       for each packet sent and a backspace on returned in fast mode. 
  • D、 The command can only be run by root.

正确答案:D

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