命令tar cvf /dev/rmt/c0t3d0 /home的作用是?()A、将磁带中的所有文件放入home目录中B、列出磁带上所有来自home目录的文件C、备份/home下的所有文件D、备份/home下的所有文件和目录

题目

命令tar cvf /dev/rmt/c0t3d0 /home的作用是?()

  • A、将磁带中的所有文件放入home目录中
  • B、列出磁带上所有来自home目录的文件
  • C、备份/home下的所有文件
  • D、备份/home下的所有文件和目录

相似考题
更多“命令tar cvf /dev/rmt/c”相关问题
  • 第1题:

    Whichofthefollowingcommandswillremovethehardwaredefinitionofthetapedrivermt0fromasystem?()

    A.rm/dev/rmt0

    B.rmdel-srmt0

    C.rmdev-dlrmt0

    D.tctl-f/dev/rmt0erase


    参考答案:C

  • 第2题:

    使用tar命令将/home备份打包为home.tar?()

    A.tar cvf /home home.tar

    B.tar tvf home.tar /home

    C.tar cvf home.tar /home

    D.tar xvf home.tar /home


    参考答案:C

  • 第3题:

    An administrator needs to be able to restore a mksysb created on SERVER_A using a 4MM tape drive, to SERVER_B that only has an 8MM tape drive. There is an additional server that has a  4MM drive at /dev/rmt0 and an 8MM drive at /dev/rmt1.  Which of the following procedures should be followed to convert from the 4MM to 8MM format()

    • A、tcopy /dev/rmt0.1 /dev/rmt1.1
    • B、dd if=/dev/rmt0.1 of=/dev/rmt1.1
    • C、tar -xvf /dev/rmt0.1tar -cvf /dev/rmt1.1
    • D、cpio -ivcBDUM < /dev/rmt0.1cpio -ovcBDUM. >/dev/rmt1.1

    正确答案:A

  • 第4题:

    通常使用tar进行文件打包或者解包,解包必须在tar后跟随cvf参数。


    正确答案:错误

  • 第5题:

    Which command(s) will result in the smallest sized backup of the text files contained in the /staticFS filesystem?()  

    • A、tar -cvf file_system.tar /staticFS ; gzip file_system.tar
    • B、tar -xvf /staticFS file_system.tar ; gzip file_system.tar
    • C、tar -cvf /staticFS file_system.tar ; compress file_system.tar
    • D、tar -xvf file_system.tar /staticFS  ; compress file_system.tar

    正确答案:A

  • 第6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.

    正确答案:B

  • 第7题:

    A system administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors?()

    • A、savevg -mf /dev/rmt0 appvg
    • B、savevg -cvf /dev/rmt0 appvg
    • C、savevg -xvf /dev/rmt0 appvg
    • D、savevg -f /dev/rmt0 -V appvg

    正确答案:D

  • 第8题:

    Which of the following sequence of commands extracts the third image from a tape that was created using the backup command?()

    • A、tctl -f /dev/rmt0.1 fsf 2 ; tar -xv file3
    • B、tctl -f /dev/rmt0.0 fsf 3 ; dd if=file3 pf =/dev/mt0.1
    • C、tctl -f /dev/rmt0.1 fsf 2 ; dd if=/dev/rmt0.1 of=file3
    • D、tctl -f /dev/rmt0.0 fsf 3 ; dd if=/dev/rmt0.1 of=file3

    正确答案:C

  • 第9题:

    单选题
    Which of the following sequence of command extracts the tenth image form a tape in tape device rmt1?()
    A

    tet1 -f /dev/rmt1.0 fsf 9; tar -xv file 10

    B

    tet1 -f /dev/rmt1.1 fsf 10; tar -xv file 10

    C

    tet1 -f /dev/rmt1.1 fsf 9; dd if = /dev/rmt1.1 of=file 10

    D

    tet1 -f /dev/rmt1.0 fsf 9; dd if =file10 of /dev/rmt1.0


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the following commands will remove the hardware definition of the tape drive rmt0 from a system?()
    A

    rm /dev/rmt0

    B

    rmdel -s rmt0

    C

    rmdev -dl rmt0

    D

    tctl -f /dev/rmt0 erase


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    An administrator needs to be able to restore a mksysb created on SERVER_A using a 4MM tape drive, to SERVER_B that only has an 8MM tape drive. There is an additional server that has a  4MM drive at /dev/rmt0 and an 8MM drive at /dev/rmt1.  Which of the following procedures should be followed to convert from the 4MM to 8MM format()
    A

    tcopy /dev/rmt0.1 /dev/rmt1.1

    B

    dd if=/dev/rmt0.1 of=/dev/rmt1.1

    C

    tar -xvf /dev/rmt0.1tar -cvf /dev/rmt1.1

    D

    cpio -ivcBDUM < /dev/rmt0.1cpio -ovcBDUM. >/dev/rmt1.1


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following sequence of commands should be used to list the directories and files saved on a mksyst tape that has been rewound and placed in device rmt0?()
    A

    tet1 -f /dev/rmt0 fsf 2; restore -xqvf /dev/rmt0

    B

    tet1 -f /dev/rmt0.1 fsf2; restore -Tvf /dev/rmt0.1

    C

    tet1 -f /dev/rmt0.1 fsf3; restore Tqvf /dev/rmt0.1

    D

    tet1 -f /dev/rmt0.1 fsf3; restore -Tvf /dev/rmt0.1


    正确答案: B
    解析: 暂无解析

  • 第13题:

    命令tar cvf /dev/rmt/c0t3d0 /home的作用是?()

    A.将磁带中的所有文件放入home目录中

    B.列出磁带上所有来自home目录的文件

    C.备份/home下的所有文件

    D.备份/home下的所有文件和目录


    参考答案:D

  • 第14题:

    Which of the following sequence of command extracts the tenth image form a tape in tape device rmt1?()

    • A、tet1 -f /dev/rmt1.0 fsf 9; tar -xv file 10
    • B、tet1 -f /dev/rmt1.1 fsf 10; tar -xv file 10
    • C、tet1 -f /dev/rmt1.1 fsf 9; dd if = /dev/rmt1.1 of=file 10
    • D、tet1 -f /dev/rmt1.0 fsf 9; dd if =file10 of /dev/rmt1.0

    正确答案:C

  • 第15题:

    使用tar命令将/home备份打包为home.tar?()

    • A、tar cvf /home home.tar
    • B、tar tvf home.tar /home
    • C、tar cvf home.tar /home
    • D、tar xvf home.tar /home

    正确答案:C

  • 第16题:

    请问unix系统下,下述tar命令哪些是正确的:()

    • A、tar cvf目标文件源文件
    • B、tar xvf目标路径源文件名
    • C、tav tvf文件名
    • D、以上都不对

    正确答案:A,B,C

  • 第17题:

    A System p administrator has an application that has the data in volume group appvg.  Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors ()

    • A、savevg -mf /dev/rmt0 appvg
    • B、savevg -cvf /dev/rmt0 appvg
    • C、savevg -vf /dev/rmt0 appvg
    • D、savevg -f /dev/rmt0 -V appvg

    正确答案:D

  • 第18题:

    Which of the following sequence of commands should be used to list the directories and files saved on a mksyst tape that has been rewound and placed in device rmt0?()

    • A、tet1 -f /dev/rmt0 fsf 2; restore -xqvf /dev/rmt0
    • B、tet1 -f /dev/rmt0.1 fsf2; restore -Tvf /dev/rmt0.1
    • C、tet1 -f /dev/rmt0.1 fsf3; restore Tqvf /dev/rmt0.1
    • D、tet1 -f /dev/rmt0.1 fsf3; restore -Tvf /dev/rmt0.1

    正确答案:C

  • 第19题:

    Which of the following commands will remove the hardware definition of the tape drive rmt0 from a system?()

    • A、rm /dev/rmt0
    • B、rmdel -s rmt0
    • C、rmdev -dl rmt0
    • D、tctl -f /dev/rmt0 erase

    正确答案:C

  • 第20题:

    An administrator needs to be able to list the number and size of backup sets on a tape. Which of the  following procedures accomplish this()

    • A、Use the tcopy /dev/rmtO.l until an end-of-tape error notification is received.
    • B、Use the cpio -idmv < /dev/rmtO.l until an end-of-tape error notification is received.
    • C、Use the tar -tvf /dev/rmtO.l repeatedly until an end-of-tape error notification is received.
    • D、Use the dd if=/dev/rmt0.1 bs=128k count=EOT until an end-of-tape error notification is received.

    正确答案:A

  • 第21题:

    单选题
    Which of the following sequence of commands extracts the third image from a tape that was created using the backup command?()
    A

    tctl -f /dev/rmt0.1 fsf 2 ; tar -xv file3

    B

    tctl -f /dev/rmt0.0 fsf 3 ; dd if=file3 pf =/dev/mt0.1

    C

    tctl -f /dev/rmt0.1 fsf 2 ; dd if=/dev/rmt0.1 of=file3

    D

    tctl -f /dev/rmt0.0 fsf 3 ; dd if=/dev/rmt0.1 of=file3


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    Which command(s) will result in the smallest sized backup of the text files contained in the /staticFS filesystem?()
    A

    tar -cvf file_system.tar /staticFS ; gzip file_system.tar

    B

    tar -xvf /staticFS file_system.tar ; gzip file_system.tar

    C

    tar -cvf /staticFS file_system.tar ; compress file_system.tar

    D

    tar -xvf file_system.tar /staticFS ; compress file_system.tar


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    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.


    正确答案: A
    解析: 暂无解析