多选题Which two are the uses of the ASM metadata backup and restore (AMBR) feature?()AIt can be used to back up all data on ASM disks.BIt can be used to recover the damaged ASM disk group along with the data.CIt can be used to gather information about a pree

题目
多选题
Which two are the uses of the ASM metadata backup and restore (AMBR) feature?()
A

It can be used to back up all data on ASM disks.

B

It can be used to recover the damaged ASM disk group along with the data.

C

It can be used to gather information about a preexisting ASM disk group with disk paths,disk name,failure groups,attributes templates,and alias directory structure.

D

It can be used to re-create the ASM disk group with its attributes.


相似考题
更多“Which two are the uses of the ASM metadata backup and restor”相关问题
  • 第1题:

    Which two statements are true regarding an Automatic Storage Management (ASM) instance? ()

    • A、As ASM instance mounts an ASM control file
    • B、An ASM instance uses the ASMB process for rebalancing of disks within a disk group
    • C、Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
    • D、An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

    正确答案:C,D

  • 第2题:

    The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation? ()(Choose two.)

    • A、The databases configured to use the ASM instance are mounted
    • B、The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter
    • C、ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started
    • D、ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

    正确答案:B,C

  • 第3题:

    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 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4题:

    You want to migrate your existing non-ASM files to ASM files for the database PROD. Which method  or command would you use to accomplish this task?()

    • A、the CONVERT command of RMAN
    • B、Data Pump Export and Import into the same database
    • C、conventional export and import into the same database
    • D、the BACKUP DATABASE and RESTORE DATABASE commands of RMAN
    • E、the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN

    正确答案:A,E

  • 第5题:

    Which two statements are true about encrypting RMAN backup?() (Choose two.)

    • A、The transparent encryption of backups uses the encryption wallet
    • B、The database uses the same encryption key for every encrypted backup
    • C、The password encryption of backups only uses the password while creating and restoring backup
    • D、If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.

    正确答案:A,C

  • 第6题:

    单选题
    You are migrating your production database from non-ASM to ASM storage. You used the RMAN utility to migrate the database from non-ASM to ASM storage. Which type of backup command script will you use for migrating the database from non-ASM to ASM storage?()
    A

     BACKUP AS BACKUPSET

    B

     BACKUP AS COPY

    C

     BACKUP AS COMPRESSED BACKUPSET

    D

     BACKUP INCREMENTAL LEVEL n CUMULATIVE


    正确答案: C
    解析: 暂无解析

  • 第7题:

    多选题
    You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)
    A

    The backup piece size will be limited to 300 MB

    B

    The RMAN uses multiplexing to perform backup

    C

    The operation is accomplished using the default channel available

    D

    The RMAN parallelizes the backup although the parallelism is not set for a channel


    正确答案: C,A
    解析: 暂无解析

  • 第8题:

    多选题
    Which two statements are correct regarding MPLS LSP establishment methods?() (Choose two.)
    A

    LDP uses Down Stream On Demand.

    B

    RSVP uses Down Stream On Demand.

    C

    LDP uses Down Stream Unsolicited.

    D

    RSVP uses Down Stream Unsolicited.


    正确答案: B,C
    解析: 暂无解析

  • 第9题:

    单选题
    You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: % rman target / What would be the effect of this command?()
    A

     RMAN would use the current operating system location to place the backup.

    B

     RMAN would use the control file of the target database to maintain the backup.

    C

     RMAN would use the recovery catalog of the target database to maintain the backup.

    D

     RMAN would use the control file of the target database to maintain the backup metadata.

    E

     RMAN would use the recovery catalog of the target database to maintain the backup metadata.


    正确答案: A
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements are true regarding an Automatic Storage Management (ASM) instance?()
    A

    As ASM instance mounts an ASM control file

    B

    An ASM instance uses the ASMB process for rebalancing of disks within a disk group

    C

    Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET  parameter is not set explicitly

    D

    An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started


    正确答案: B,A
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true about encrypting RMAN backup?() (Choose two.)
    A

    The transparent encryption of backups uses the encryption wallet

    B

    The database uses the same encryption key for every encrypted backup

    C

    The password encryption of backups only uses the password while creating and restoring backup

    D

    If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.


    正确答案: C,D
    解析: 暂无解析

  • 第12题:

    多选题
    You are managing an Oracle Database 11g instance and an Oracle Database 10g instance on the same machine. Both instances use the ASM instance as storage. Which statement regarding the ASM disk group compatibility attributes are true in this scenario?()
    A

    The database-compatibility version settings for each instance must be greater than or equal to the RDBMS compatibility of all ASM disk groups used by that database instances.

    B

    RDBMS compatibility and the database version determines whether a database instance can mount the ASM disk group.

    C

    The RDBMS compatibility settings for a disk group control the format of data structures for ASM metadata on the disk.

    D

    ASM compatibility controls which features for the ASM will be enabled.


    正确答案: B,D
    解析: 暂无解析

  • 第13题:

    You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)

    • A、The backup piece size will be limited to 300 MB
    • B、The RMAN uses multiplexing to perform backup
    • C、The operation is accomplished using the default channel available
    • D、The RMAN parallelizes the backup although the parallelism is not set for a channel

    正确答案:A,C

  • 第14题:

    Which two statements are true about encrypting RMAN backup?()

    • A、 The transparent encryption of backups uses the encryption wallet
    • B、 The database uses the same encryption key for every encrypted backup
    • C、 The password encryption of backups only uses the password while creating and restoring backup
    • D、 If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD  command to make password-protected backups

    正确答案:A,C

  • 第15题:

    You want to perform the following operations for the DATA ASM disk group: -Verify the consistency of the disk.  -Cross-check all the file extent maps and allocation tables for consistency. check whether the alias metadata directory and file directory are linked correctly.  -Check that ASM metadata directories do not have unreachable allocated blocks.   Which command accomplishes these tasks()?

    • A、 ALTER DISKGROUP data CHECK
    • B、 ALTER DISKGROUP data CHECK DISK
    • C、 ALTER DISKGROUP data CHECK FILE
    • D、 ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1

    正确答案:A

  • 第16题:

    You are migrating your production database from non-ASM to ASM storage. You used the RMAN utility to migrate the database from non-ASM to ASM storage. Which type of backup command script will you use for migrating the database from non-ASM to ASM storage?()

    • A、 BACKUP AS BACKUPSET
    • B、 BACKUP AS COPY
    • C、 BACKUP AS COMPRESSED BACKUPSET
    • D、 BACKUP INCREMENTAL LEVEL n CUMULATIVE

    正确答案:B

  • 第17题:

    单选题
    You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files:  $ rman target /  What would be the effect of this command?()
    A

    RMAN would use the current operating system location to place the backup.

    B

    RMAN would use the control file of the target database to maintain the backup.

    C

    RMAN would use the recovery catalog of the target database to maintain the backup.

    D

    RMAN would use the control file of the target database to maintain the backup metadata. 

    E

    RMAN would use the recovery catalog of the target database to maintain the backup metadata.


    正确答案: A
    解析: 暂无解析

  • 第18题:

    多选题
    Which two statements are true about encrypting RMAN backup?()
    A

    The transparent encryption of backups uses the encryption wallet

    B

    The database uses the same encryption key for every encrypted backup

    C

    The password encryption of backups only uses the password while creating and restoring backup

    D

    If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.


    正确答案: B,C
    解析: 暂无解析

  • 第19题:

    多选题
    Which two statements are true about encrypting RMAN backup?()
    A

    The transparent encryption of backups uses the encryption wallet

    B

    The database uses the same encryption key for every encrypted backup

    C

    The password encryption of backups only uses the password while creating and restoring backup

    D

    If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD  command to make password-protected backups


    正确答案: D,C
    解析: 暂无解析

  • 第20题:

    多选题
    ASM supports all but which of the following file types?()
    A

    Database files

    B

    Spfiles

    C

    Redo-log files

    D

    Archived log files

    E

    RMAN backup sets

    F

    Password files

    G

    init.ora files


    正确答案: D,C
    解析: 暂无解析

  • 第21题:

    多选题
    In which situations will the ASM metadata backup help you recover the ASM disk in a disk group?()
    A

    when one or more file directory paths are accidentally deleted from an ASM disk group

    B

    when one of the disks in a disk group is accidentaly unplugged

    C

    when the data file on an ASM disk group gets corrupted

    D

    when one or more disks in an ASM disk group are lost


    正确答案: A,D
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about variable extent size support for large ASM files?()
    A

    The metadata used to track extents in SGA is reduced.

    B

    Rebalance operations are completed faster than with a fixed extent size

    C

    An ASM Instance automatically allocates an appropriate extent size.

    D

    Resync operations are completed faster when a disk comes online after being taken offline.

    E

    Performance improves in a stretch cluster configuration by reading from a local copy of an extent.


    正确答案: C,D
    解析: 暂无解析

  • 第23题:

    单选题
    You have issued the following command:    RMAN>CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS;   What will be the result of using the above command?()
    A

     The backup metadata will be maintained in the control file for 100 days.

    B

     The backup metadata will be maintained in the recovery catalog for 100 days.

    C

     The backup metadata will be maintained in the flash recovery area for 100 days.

    D

     After 100 days, the backup sets and image copies will be deleted from the media.


    正确答案: B
    解析: 暂无解析