What RMAN command must you use before you can back up a data

题目
单选题
What RMAN command must you use before you can back up a database using the recovery catalog?()
A

 create catalog

B

 install database

C

 catalog database

D

 merge Catalog with database

E

 register database

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相似问题和答案

第1题:

You are the network administrator for The network consists of asingle Active Directory domain named All domain controllers runWindows Server 2003, and all client computers run Windows XP Professional. Eachdomain server has a locally attached tape device.You need to back up each domain controller. Your backup process must fulfil thefollowing requirements:a. System recovery must be possible in the event of server failure.b. The system configuration and all current dynamic disk configurations must bebacked up.c. Other data partitions do not need to be backed up.What should you do?()

A. Use the Backup utility to back up the system files and to create an Automated System Recovery (ASR) disk.

B. Use the Backup utility to back up the contents of all mounted drives.

C. Use the Backup utility to back up only the System State data.

D. Use the Copy command to copy C:\windows and its subfolders to a shared folder on the network.

E. Use the Xcopy command to copy C:\windows and its subfolders to a shared folder on the network.


参考答案:A

第2题:

You are the network administrator for Active Directory. Another system administrator installs Software Update Services (SUS) on a production Windows Server 2003 computer. You are assigned to manage the SUS computer. You need to ensure that you can recover SUS if the server fails. You need to back up all components that are required to restore SUS to its current configuration. Because of limited space, you must not back up unnecessary data. What action or actions should you perform? Select all that apply.()

  • A、Back up the SUS folder that contains synchronized content.
  • B、Back up the folder in which the SYSAdmin site was created.
  • C、Back up the System State data fro the Windows Server 2003 computer.
  • D、Back up the IIS metabase

正确答案:A,B,D

第3题:

You are administering a database stored in Automatic Storage Management (ASM). You use RMAN to back up the database and the MD_BACKUP command to back up the ASM metadata regularly. You lost an ASM disk group DG1 due to hardware failure.In which three ways can you re-create the lost disk group and restore the data?()

A. Use the MD_RESTORE command to restore metadata for an existing disk group by passing the existing disk group name as an input parameter and use RMAN to restore the data.

B. Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group and data on the disk group.

C. Use the MD_RESTORE command to restore the disk group with the changed disk group specification, failure group specification, name, and other attributes and use RMAN to restore the data.

D. Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group name and same set of disks and failure group configuration, and use RMAN to restore the data.

E. Use the MD_RESTORE command to restore both the metadata and data for the failed disk group.

F. Use the MKDG command to add a new disk group DG1 with the same or different specifications for failure group and other attributes and use RMAN to restore the data.


参考答案:C, E, F

第4题:

You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? ()(Choose two)

  • A、You must configure block change tracking file
  • B、You must have first level 1 backups for RMAN to restore blocks
  • C、You must ensure that the SALES database is mounted or open
  • D、You must have full or level 0 backups for RMAN to restore blocks
  • E、You must take the tools01.dbf data file offline before you start a block media recovery

正确答案:C,D

第5题:

Your database runs in NOARCHIVELOG mode, and is backed up every night using RMAN scripts. However, last night your assistant DBA performed a manual operating system backup, instead of running the scripts. Today your database crashed and you now want to use the backups from last night. What do you need todo?()

  • A、You need to perform the restore and recover operations manually, because the backup was made manually. 
  • B、First you need to resynchronize the catalog with the control file, and then you can use RMAN to recover the database. 
  • C、First you need to add the backup to the catalog using the CATALOG command, and then you can use RMAN to recover the database. 
  • D、You can just use RMAN and recover the database, because RMAN automatically updates the catalog with the backup information. 

正确答案:C

第6题:

You are the network administrator for Active Directory.Another system administrator installs Software Update Services (SUS) on a production Windows Server 2003 computer. You are assigned to manage the SUS computer. You need to ensure that you can recover SUS if the server fails.You need to back up all components that are required to restore SUS to its current configuration. Because of limited space, you must not back up unnecessary data.What action or actions should you perform? Select all that apply.()

A. Back up the SUS folder that contains synchronized content.

B. Back up the folder in which the SYSAdmin site was created.

C. Back up the System State data fro the Windows Server 2003 computer.

D. Back up the IIS metabase


参考答案:A, B, D

第7题:

You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager (RMAN). The most recent backup of the TOOLS tablespace to disk was taken on January 3. The TOOLS tablespace is read/x7fonly.  On February 21, when you execute a command to back up all the tablespaces to disk, you find that RMAN backs up the TOOLS tablespace also, even though the contents of the tablespace have not changed after the backup on January 3.  Because there are no changes made to the TOOLS tablespace, you decide that the tablespace should not be backed up by RMAN. What can you to do skip backing up the TOOLS tablespace without changing the current backup optimization setting?()

  • A、configure a default device for RMAN backups
  • B、temporarily disable the retention policy for RMAN backups
  • C、configure automatic channel allocation for RMAN backups
  • D、use the CONFIGURE command to reconfigure the recovery window to 60 days

正确答案:B

第8题:

You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are able to recover individual user files that are replaced or deleted during the installation.What should you do?()

A.A

B.B

C.C

D.D


参考答案:C

第9题:

You can back up the RMAN recovery catalog with RMAN.()

  • A、 True
  • B、 False

正确答案:A

第10题:

What RMAN command must you use before you can back up a database using the recovery catalog?()

  • A、 create catalog
  • B、 install database
  • C、 catalog database
  • D、 merge Catalog with database
  • E、 register database

正确答案:E

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