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A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message:Which is the recommended sequence of operations you need to perform for the query successfully?（）A. Drop the affected tablespace, re-cr

题目

A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message:Which is the recommended sequence of operations you need to perform for the query successfully?（）

A. Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace.

B. Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online.

C. Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.

D. Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.

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更多“A database is running in ARCHIVELOG mode and regular backups are performed. A user receive ”相关问题

  • 第1题：

    The server host1 has been set up as a backup system with the following ／etc／exports.／backups －rw.How can a second server regularly use this disk space?()

    A./usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1

    B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg

    C./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g

    D./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00


    参考答案：C

  • 第2题：

    The server host1 has been set up as a backup system with the following ／etc／exports: How can a second server regularly use this disk space?()

    A./usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1

    B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg

    C./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g

    D./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00


    参考答案：C

  • 第3题：

    收到；接受；选择（　　）。
    A.receive；accept；choice
    B.receive；choice；accept
    C.accept：receive；choice
    D.accept；choice；receive


    答案：A
    解析：

  • 第4题：

    Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in ／backups?()

    A.lsmksysb -l /backups/server1.mksysb

    B.showmksysb -f /backups/server1.mksysb

    C.listvgbackup -f /backups/server1.mksysb

    D.showvgbackup -l /backups/server1.mksysb


    参考答案：C

  • 第5题：

    AcustomerwantstopurchaseaWindows2003DataCenterEditionsystemtorunanapplication.TheapplicationbenefitsthemostbycachingavastamountofdatainRAMsotheuserdoesnothavetowaitfordiskI/Owhileediting.Processingissecondinimportance.Ifcostisnotanissue，whatmachinewillhavethebestperformance？（）

    A.Useanx360running4MPprocessorswith16GBofRAM

    B.Useanx360running4DPprocessorswith16GBofRAM

    C.Useanx445running2DPprocessorswith64GBofRAM

    D.Useanx445running4DPprocessorswith64GBofRAM


    参考答案：D

  • 第6题：

    在12MHz的8x51系统里，哪一种方式一次可以定时5ms？

    A．Mode 0 及 Mode 1

    B．Mode 1 及 Mode 2

    C．Mode 3 及 Mode 2

    D．Mode 3 及 Mode 1


    P0

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