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You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is t

题目

You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is the implication of this command?（）

  • A、The backup is deleted.
  • B、The backup is marked unavailable.
  • C、The backup overrides the backup retention policy.
  • D、the backup becomes eligible for deletion according to the existing retention policy
相似考题

1.After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?()A. Opening the database in RESTRICTED modeB. Opening the database with the RESETLOGS optionC. Setting a new DBID for the newly restored databaseD. Restoring the server parameter file (SPFILE) to the new host

2.You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?() (Choose two).A. The backup as copy can only be taken to diskB. The backup as copy can only be taken to tapeC. Backup can be performed only when the instance is shutdownD. Backup will constitute all used and unused blocks in the database

3.You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）A. Corrupted blocks, if any, are repaired.B. Checks are performed for physical corruptions.C. Checks are performed for logical corruptions.D. Checks are performed to confirm whether all database files exist in correct locationsE. Backup sets containing both data files and archive logs are created.

4.You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()A. The backup as copy can only be taken to diskB. The backup as copy can only be taken to tapeC. Backup can be performed only when the instance is shutdownD. Backup will constitute all used and unused blocks in the database

更多“You performed the RMAN database”相关问题

  • 第1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2题：

    RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）

    • A、’SQL ALTER DATABASE OPEN’；
    • B、SQL ALTER DATABASE ’OPEN’；
    • C、OPEN DATABASE；
    • D、DATABASE OPEN

    正确答案:C

  • 第3题：

    You issued the following RMAN command：  RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；     What is NOT an impact of using the above command？（）

    • A、 When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.
    • B、 When a structural change is made to the database， then a backup of the current control file is performed.
    • C、 When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.
    • D、 When a structural change is made to the database， then a backup of the alert log file will be performed.

    正确答案:D

  • 第4题：

    You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）

    • A、 target database
    • B、 auxiliary database
    • C、 third-party database
    • D、 recovery catalog database

    正确答案:C

  • 第5题：

    多选题
    You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?（）
    A

    The backup as copy can only be taken to disk

    B

    The backup as copy can only be taken to tape

    C

    Backup can be performed only when the instance is shutdown

    D

    Backup will constitute all used and unused blocks in the database


    正确答案： C,B
    解析： 暂无解析

  • 第6题：

    多选题
    You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）
    A

    Corrupted blocks, if any, are repaired.

    B

    Checks are performed for physical corruptions.

    C

    Checks are performed for logical corruptions.

    D

    Checks are performed to confirm whether all database files exist in correct locations

    E

    Backup sets containing both data files and archive logs are created.


    正确答案： C,A
    解析： 暂无解析

  • 第7题：

    单选题
    After you have restored and recovered a database to a new host by using a previously performed Recovery Manager （RMAN） backup， which is the best option you would consider for the new database？（）
    A

     Opening the database in RESTRICTED mode

    B

     Opening the database with the RESETLOGS option

    C

     Setting a new DBID for the newly restored database

    D

     Restoring the server parameter file （SPFILE） to the new host


    正确答案： A
    解析： 暂无解析

  • 第8题：

    多选题
    You work as a database administrator for Certkiller .com. 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
    解析： 暂无解析

  • 第9题：

    单选题
    Your database is in ARCHIVELOG mode. On Friday evening， you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager （RMAN） prompt and close the  database. On Monday， the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles， HR1.DBF and HR2.DBF， both of which belong to a read/write tablespace named HR. The disk also contains a datafile， USERS.DBF， which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database， you issue the following RMAN commands：        RMAN>RESTORE DATABASE；        RMAN>RECOVER DATABASE；   After successfully executing these RMAN commands， you issue the following statement using SQL*Plus：        SQL>ALTER DATABASE OPEN；   You receive the following errors when attempting to open the database：        ORA-01157： cannot identify/lock data file 10 see DBWR trace file        ORA-01110： data file 10： ’D:///USERS.DBF’   What is the cause of these errors？（）
    A

     The USERS.DBF datafile is corrupted and cannot be restored by RMAN.

    B

     The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.

    C

     The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.

    D

     The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（）
    A

    back up the control file to trace

    B

    bring database to the MOUNT state

    C

    open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database

    D

    set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?（）
    A

    Opening the database in RESTRICTED mode

    B

    Opening the database with the RESETLOGS option

    C

    Setting a new DBID for the newly restored database

    D

    Restoring the server parameter file (SPFILE) to the new host


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）
    A

     target database

    B

     auxiliary database

    C

     third-party database

    D

     recovery catalog database


    正确答案： B
    解析： 暂无解析

  • 第13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14题：

    It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager （RMAN）. How would you make use of this consistent backup in RMAN？（）

    • A、cannot be used in RMAN
    • B、by starting up the database again
    • C、by using the CATALOG command of RMAN
    • D、by using the RECOVER CATALOG command in RMAN
    • E、by re-creating the target control file to rebuild the RMAN repository

    正确答案:C

  • 第15题：

    You want to implement the backup and recovery strategy in your database using Recovery Manager （RMAN）. You have chosen the control file of the target database for the RMAN repository.  Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication？（）

    • A、 rman TARGET / NOCATALOG
    • B、 rman TARGET sys/password
    • C、 rman TARGET sys/password AS SYSDBA
    • D、 rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat

    正确答案:B

  • 第16题：

    You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?（）

    • A、The backup as copy can only be taken to disk
    • B、The backup as copy can only be taken to tape
    • C、Backup can be performed only when the instance is shutdown
    • D、Backup will constitute all used and unused blocks in the database

    正确答案:A,D

  • 第17题：

    单选题
    You issued the following RMAN command：  RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；     What is NOT an impact of using the above command？（）
    A

     When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.

    B

     When a structural change is made to the database， then a backup of the current control file is performed.

    C

     When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.

    D

     When a structural change is made to the database， then a backup of the alert log file will be performed.


    正确答案： C
    解析： 暂无解析

  • 第18题：

    多选题
    You performed an incremental level 0 backup of a database: RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable block change tracking after the incremental level 0 backup, you issued this command: SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’; To perform an incremental level 1 cumulative backup, you issued this command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which three statements are true?（）
    A

    Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups.

    B

    The change tracking file must always be backed up when you perform a full database backup.

    C

    Block change tracking will always reduce I/O performed during cumulative incremental backups.

    D

    More than one database block may be read by an incremental backup for a change made to a single block.

    E

    The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.


    正确答案： B,E
    解析： 暂无解析

  • 第19题：

    单选题
    You want to implement the backup and recovery strategy in your database using Recovery Manager （RMAN）. You have chosen the control file of the target database for the RMAN repository.  Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication？（）
    A

     rman TARGET / NOCATALOG

    B

     rman TARGET sys/password

    C

     rman TARGET sys/password AS SYSDBA

    D

     rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    You are maintaining your database in ARCHIVELOG mode. An important table， SCOTT.EMPLOYEE， is dropped and purged from the Recycle Bin on Monday at 2：00 P.M. You do not use RMAN to perform backups. You performed the last full user-managed backup at 9：00 P.M. on Sunday.  How will you recover the dropped table， SCOTT.EMPLOYEE？（）
    A

     by using the Flashback Table feature

    B

     by using the Flashback Database feature

    C

     by performing incomplete recovery using RMAN utility

    D

     by performing incomplete recovery using user-managed recovery


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    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： B
    解析： 暂无解析

  • 第22题：

    单选题
    It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager （RMAN）. How would you make use of this consistent backup in RMAN？（）
    A

    cannot be used in RMAN

    B

    by starting up the database again

    C

    by using the CATALOG command of RMAN

    D

    by using the RECOVER CATALOG command in RMAN

    E

    by re-creating the target control file to rebuild the RMAN repository


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）
    A

    ’SQL ALTER DATABASE OPEN’；

    B

    SQL ALTER DATABASE ’OPEN’；

    C

    OPEN DATABASE；

    D

    DATABASE OPEN


    正确答案： D
    解析： 暂无解析

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