单选题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

题目
单选题
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

相似考题

1.You performed the RMAN database backup with the KEEP option.Which two statements are true about this backup?() (Choose two)A. The KEEP option overrides the configured retention policyB. The KEEP option is an attribute of an individual backup pieceC. The backup contains only data files and archived redo log filesD. The backup contains data files, the server parameter file and the control file even if the control file auto backup is disabled

2.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.savevgB.tarC.cpioD.mksysb

3. A company uses an application that creates temp files that need to be backed up on a daily basis. A test restore fails to restore the temp files. In checking the backup catalog, Karen, a technician, discovers that the temp files are not being backed up. Which of the following is the MOST likely reason?（）A、To backup temp files, the /T switch must be used.B、NTBACKUP does not backup temp files by default.C、The NTBACKUP utility cannot backup temp files.D、NTBACKUP is not running under the correct credentials.

4.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.

更多“单选题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 ”相关问题

  • 第1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2题：

    A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect.  Which of the following commands can be used to determine the block size of the backup tape （）

    • A、dd
    • B、tar
    • C、cpio
    • D、restore

    正确答案:A

  • 第3题：

    You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）

    • A、A backup of the target database when it is mounted
    • B、A backup of online redo log files when the database is open
    • C、A backup of only used data blocks in the file beingbeingbackup up
    • D、A backup of online， read/write data files when the database is open
    • E、A backup of only those data blocks that have changed since a previous backup
    • F、A backup of online， read/write data files when the database is in the NOMOUNT state.

    正确答案:A,C,D,E

  • 第4题：

    You performed the RMAN database backup with the KEEP option.Which two statements are true about this backup?（） (Choose two)

    • A、The KEEP option overrides the configured retention policy
    • B、The KEEP option is an attribute of an individual backup piece
    • C、The backup contains only data files and archived redo log files
    • D、The backup contains data files, the server parameter file and the control file even if the control file auto backup is disabled

    正确答案:A,D

  • 第5题：

    You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

    • A、The backup is similar to image copy.
    • B、The backup contains all used data blocks.
    • C、The backup contains only unused data blocks.
    • D、The backup contains all data blocks changed since the last incremental level 1 backup.

    正确答案:B

  • 第6题：

    Identify two situations in which you can use Data Recovery Advisor for recovery. （）(Choose two.)

    • A、The user has dropped an important table that needs to be recovered.
    • B、The database files are corrupted when the database is open.
    • C、You are not able to start up the database instance because the required database files are missing.
    • D、The archived log files are missing for which backup is not available.

    正确答案:B,C

  • 第7题：

    单选题
    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： D
    解析： 暂无解析

  • 第8题：

    单选题
    You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure， the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files？（）
    A

    Only the data files.

    B

    All of the data files and the control files.

    C

    Only the data files belonging to the SYSTEM tablespace.

    D

    Only the data files belonging to the SYSTEM tablespace and the control files.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect.  Which of the following commands can be used to determine the block size of the backup tape （）
    A

    dd

    B

    tar

    C

    cpio

    D

    restore


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape？（）
    A

    dd

    B

    tar

    C

    cpio

    D

    restore


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Examine the following scenario：   -Database is running in ARCHIVELOG mode.  -Complete consistent backup is taken every Sunday.  -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corruptedThe disk having active online redo log files is also corrupted.  The hardware is repaired and the paths for online redo log files and control files are still valid.  Which option would you use to perform the recovery of database till the point of failure？（）
    A

     Restore the latest whole backup，perform complete recovery，and open the database normally 

    B

     Restore the latest whole backup，perform incomplete recovery，and open the database with the  RESETLOGS option.

    C

     Restore the latest backups control file，perform complete recovery，and open the database with the RESETLOGS option.

    D

     Restore the latest backup control file，perform incomplete recovery using backup control file，and open the database with the RESETLOG option.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）
    A

    The backup is similar to image copy.

    B

    The backup contains all used data blocks.

    C

    The backup contains only unused data blocks.

    D

    The backup contains all data blocks changed since the last incremental level 1 backup.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    A customer has the need to implement a tape backup solution to backup a 500GB database on a daily basis.  Which of the following factors is the most important consideration in the design of a backup and restore solution？（）

    • A、Amount of data in the backup
    • B、Bandwidth available to the tape device
    • C、Length of the backup/restore window
    • D、Speed that the backup system can find files for restoration

    正确答案:C

  • 第14题：

    A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape？（）

    • A、dd
    • B、tar
    • C、cpio
    • D、restore

    正确答案:A

  • 第15题：

    You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup？（）

    • A、 The backup contains data files， the server parameter file，and the control file even if the control file  autobackup is disabled.
    • B、 The KEEP option overrides the configured retention policy.
    • C、 The backup contains only data files and archived redo log files.
    • D、 The KEEP option is an attribute of an individual backup piece.

    正确答案:A,B

  • 第16题：

    Identify two situations in which you can use Data Recovery Advisor for recovery.（） 

    • A、 The user has dropped an important table that needs to be recovered.
    • B、 The database files are corrupted when the database is open.
    • C、 You are not able to start up the database instance because the required database files are missing.
    • D、 The archived log files are missing for which backup is not available.

    正确答案:B,C

  • 第17题：

    Examine the following scenario：   -Database is running in ARCHIVELOG mode.  -Complete consistent backup is taken every Sunday.  -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corruptedThe disk having active online redo log files is also corrupted.  The hardware is repaired and the paths for online redo log files and control files are still valid.  Which option would you use to perform the recovery of database till the point of failure？（）  

    • A、 Restore the latest whole backup，perform complete recovery，and open the database normally 
    • B、 Restore the latest whole backup，perform incomplete recovery，and open the database with the  RESETLOGS option.
    • C、 Restore the latest backups control file，perform complete recovery，and open the database with the RESETLOGS option.
    • D、 Restore the latest backup control file，perform incomplete recovery using backup control file，and open the database with the RESETLOG option.

    正确答案:D

  • 第18题：

    多选题
    You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）
    A

    A backup of the target database when it is mounted

    B

    A backup of online redo log files when the database is open

    C

    A backup of only used data blocks in the file beingbeingbackup up

    D

    A backup of online， read/write data files when the database is open

    E

    A backup of only those data blocks that have changed since a previous backup

    F

    A backup of online， read/write data files when the database is in the NOMOUNT state.


    正确答案： C,F
    解析： 暂无解析

  • 第19题：

    多选题
    You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup？（）
    A

    The backup contains data files， the server parameter file，and the control file even if the control file  autobackup is disabled.

    B

    The KEEP option overrides the configured retention policy.

    C

    The backup contains only data files and archived redo log files.

    D

    The KEEP option is an attribute of an individual backup piece.


    正确答案： A,B
    解析： 暂无解析

  • 第20题：

    单选题
    Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available.What would you do in this scenario？（）
    A

     recovery cannot be performed because a backup was not performed after the last incomplete recovery

    B

     restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on Tuesday

    C

     restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on Sunday

    D

     restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    A company uses an application that creates temp files that need to be backed up on a daily basis. A test restore fails to restore the temp files. In checking the backup catalog, Karen, a technician, discovers that the temp files are not being backed up. Which of the following is the MOST likely reason?（）
    A

    To backup temp files, the /T switch must be used.

    B

    NTBACKUP does not backup temp files by default.

    C

    The NTBACKUP utility cannot backup temp files.

    D

    NTBACKUP is not running under the correct credentials.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    You lost the PRODSTD tablespace， which was read-only. The tablespace was read-only when the last backup was taken. How would you recover the tablespace？（）
    A

     restore the tablespace from the backup， and then perform an incomplete recovery

    B

     restore the tablespace from the backup， and then apply all the redo information

    C

     restore all the data files in the database， and then perform an incomplete recovery

    D

     restore the tablespace from the backup


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    A customer has the need to implement a tape backup solution to backup a 500GB database on a daily basis.  Which of the following factors is the most important consideration in the design of a backup and restore solution？（）
    A

    Amount of data in the backup

    B

    Bandwidth available to the tape device

    C

    Length of the backup/restore window

    D

    Speed that the backup system can find files for restoration


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    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.


    正确答案： D
    解析： 暂无解析

相关内容