Which of the following commands should be run to rebuild a corrupted jfslog, loglv01?()A.fsck -p loglv01B.fsck -y /dev/loglv01C.logform /dev/loglv01D./usr/sbin/logform loglv01

题目
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


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    YouaremanaginganOracleDatabase11gdatabaserunninginARCHIVELOGmode.TheFlashRecoveryAreaisspecifiedasthedestinationforthearchivedredologfiles.Younoticethiswarninginthealertlogfile:ORA-19815:WARNING:db_recovery_file_dest_sizeof3221225472bytesis100.00%used,andhas0remainingbytesavailable.WhatwouldyoudotoreclaimtheusedspaceintheFlashRecoveryArea()

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    D.ManuallydeletealltheexpiredbackupsetsfromtheFlashRecoveryAreabyusingoperatingsystem(OS)commands.


    参考答案:A, B

  • 第2题:

    ________ the vessel have no safety radiotelegraphy certificate at the time of her delivery,she ________ be held to be unseaworthy.

    A.If/may

    B.Will/shall

    C.Should/would

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    正确答案:C

  • 第3题:

    The drinking water has become contaminated with lead.

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  • 第5题:

    ______ it rain tomorrow moring, the loading ______.

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    B.If / shall be postponed

    C.Should / would be postponed

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    一旦明天早上下雨,装货将被延迟。

  • 第6题:

    I__________have been there,but I__________not find the time.

    A.should;would
    B.should;could
    C.might;could
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    答案:B
    解析:
    考查情态动词的用法。句意为:“我本应该去那里,但我没时间。”should have done表示“过去本应做的事而实际上并没有做”,常含有责备、遗憾的语气。