单选题Which phrase best describes RMAN multiplexed backup sets？（）A Stripes a single backup set across multiple channels.B Identical copies of backup pieces within a backup set.C Multiple backup sets with multiple channels configured.D Simultaneous reads from

题目
单选题
Which phrase best describes RMAN multiplexed backup sets？（）
A

Stripes a single backup set across multiple channels.

B

Identical copies of backup pieces within a backup set.

C

Multiple backup sets with multiple channels configured.

D

Simultaneous reads from multiple files and writes into the same backup piece.

相似考题

1.Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.()A. Backup retention policyB. Default backup device typeC. Default destinations for backupsD. Multiple backup device types for single backupE. Default section size for backups

2.Multiple RMAN sessions are connected to the database instance.Examine the following output when backup commands are running in server sessions:What could have helped you to correlate server sessions with channels?（）A. Implement RMAN multiplexingB. Set the DEBUG ON in the RMAN scriptC. Specify the command ID in the RMAN scriptD. Use a tag with the RMAN BACKUP command

3.In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN:Which statement is true about the outcome?（）A. Only one channel is allocated and the backup is created in the flash recovery areaB. Only one channel is allocated and the backup is created in the destination specified for channelC. Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2D. Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA

4.Using the LIST command in Recovery Manager (RMAN), which two pieces of information from the RMAN repository can be listed?()A. Stored scripts in the recovery catalogB. Backups that can be deleted from diskC. Backup sets and images copies that are obsoleteD. Backups that do not have the AVAILABLE status in the RMAN repository

更多“单选题Which phrase best describes RMAN multiplexed backup sets？（）A Stripes a single backup set across multiple channels.B Identical copies of backup pieces within a backup set.C Multiple backup sets with multiple channels configured.D Simultaneous reads from”相关问题

  • 第1题：

    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.() (Choose all that apply.)

    A. Backup retention policy

    B. Default backup device type

    C. Default destinations for backups

    D. Multiple backup device types for single backup

    E. Default section size for backups


    参考答案：A, B, C

  • 第2题：

    What does it mean if a backup is expired？（）  

    • A、 The backup set has exceeded the retention criteria set in RMAN and is eligible for removal. 
    • B、 The backup set has one or more invalid blocks in it and is not usable for recovery.
    • C、 The backup set contains one or more tablespaces no longer in the database.
    • D、 The backup set contains one or more missing backup set pieces.
    • E、 The backup set is from a previous version of RMAN and was not upgraded.

    正确答案:D

  • 第3题：

    Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）

    • A、 Backup compression is disabled by default.
    • B、 Backup compression can be used with both backup sets and image copies.
    • C、 Backup compression cannot be enabled using the CONFIGURE command.
    • D、 Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.
    • E、 Backup compression applies to only backup sets.
    • F、 Backup compression applies to only image copies.

    正确答案:A,E

  • 第4题：

    You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups. Which action should you take？（）

    • A、 Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE
    • B、 Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE
    • C、 Use compression when performing tape backups
    • D、 Configure multiple SBT channels

    正确答案:B

  • 第5题：

    Using the LIST command in Recovery Manager (RMAN), which two pieces of information from the RMANrepository can be listed?（）

    • A、Stored scripts in the recovery catalog
    • B、Backups that can be deleted from disk
    • C、Backup sets and images copies that are obsolete
    • D、Backups that do not have the AVAILABLE status in the RMAN repository

    正确答案:A,D

  • 第6题：

    You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB.  You issue the following command from the RMAN prompt to perform a backup of the tablespace：   RMAN> BACKUP TABLESPACE TS1 MAXSETSIZE 100M；  Which statement is true about executing this command？（）

    • A、 The command generates an error.
    • B、 The command backs up the tablespace and creates a backup set of size 200 MB
    • C、 The command backs up the tablespace and creates two backup sets of size 100 MB each.
    • D、 The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.

    正确答案:A

  • 第7题：

    Which phrase best describes RMAN multiplexed backup sets？（）

    • A、Stripes a single backup set across multiple channels.
    • B、Identical copies of backup pieces within a backup set.
    • C、Multiple backup sets with multiple channels configured.
    • D、Simultaneous reads from multiple files and writes into the same backup piece.

    正确答案:C

  • 第8题：

    You perform a backup using the following BACKUP command：   RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE；   Which statement is true of this command？（）  

    • A、 A different procedure is required to restore a database from compressed backups
    • B、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed  backup sets and image copies.
    • C、 Using this command to create backups minimizes the bandwidth consumed
    • D、 Using this command to create backups improves the performance of the backup process

    正确答案:C

  • 第9题：

    单选题
    Which of the following RMAN structures can data from a datafile span？（）
    A

     RMAN backup-set pieces spanning backup sets

    B

     RMAN backup-set pieces within a given backup set

    C

     RMAN backups

    D

     RMAN channels

    E

     None of the above


    正确答案： D
    解析： 暂无解析

  • 第10题：

    多选题
    Using the LIST command in Recovery Manager （RMAN）， which two pieces of information from the RMAN repository can be listed？ （）
    A

    backups that can be deleted

    B

    stored scripts in the recovery catalog

    C

    backup sets and image copies that are obsolete

    D

    only the most recent backup sets or image copies

    E

    backups that do not have the AVAILABLE status in RMAN repository


    正确答案： D,C
    解析： 暂无解析

  • 第11题：

    单选题
    You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB.  You issue the following command from the RMAN prompt to perform a backup of the tablespace：   RMAN> BACKUP TABLESPACE TS1 MAXSETSIZE 100M；  Which statement is true about executing this command？（）
    A

     The command generates an error.

    B

     The command backs up the tablespace and creates a backup set of size 200 MB

    C

     The command backs up the tablespace and creates two backup sets of size 100 MB each.

    D

     The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    What does it mean if a backup is expired？（）
    A

     The backup set has exceeded the retention criteria set in RMAN and is eligible for removal. 

    B

     The backup set has one or more invalid blocks in it and is not usable for recovery.

    C

     The backup set contains one or more tablespaces no longer in the database.

    D

     The backup set contains one or more missing backup set pieces.

    E

     The backup set is from a previous version of RMAN and was not upgraded.


    正确答案： E
    解析： 暂无解析

  • 第13题：

    hich of the following RMAN structures can data from a datafile span?（）

    • A、RMAN backup-set pieces spanning backup sets 
    • B、RMAN backup-set pieces within a given backup sets 
    • C、RMAN backups 
    • D、RMAN channels 
    • E、None of the above

    正确答案:B

  • 第14题：

    Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMANrepository can be listed?（）

    • A、stored scripts in the recovery catalog
    • B、backups that can be deleted from disk
    • C、backup sets and image copies are obsolete
    • D、backups that do not have the AVAILABLE status in the RMAN repository RMAN

    正确答案:A,D

  • 第15题：

    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）

    • A、Backup retention policy
    • B、Default backup device type
    • C、Default destinations for backups
    • D、Multiple backup device types for single backup
    • E、Default section size for backups

    正确答案:A,B,C

  • 第16题：

    You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE,Which statement is true of this command?（）

    • A、A different procedure is required to restore a database from compressed backups 
    • B、The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies. 
    • C、Using this command to create backups minimizes the bandwidth consumed.
    • D、Using this command to create backups improves the performance of the backup process 

    正确答案:C

  • 第17题：

    Using the LIST command in Recovery Manager (RMAN), which two pieces of information from the RMAN repository can be listed?（）

    • A、Stored scripts in the recovery catalog
    • B、Backups that can be deleted from disk
    • C、Backup sets and images copies that are obsolete
    • D、Backups that do not have the AVAILABLE status in the RMAN repository

    正确答案:A,D

  • 第18题：

    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（） (Choose all that apply.)

    • A、Backup retention policy
    • B、Default backup device type
    • C、Default destinations for backups
    • D、Multiple backup device types for single backup
    • E、Default section size for backups

    正确答案:A,B,C

  • 第19题：

    Which of the following RMAN structures can data from a datafile span？（）

    • A、 RMAN backup-set pieces spanning backup sets
    • B、 RMAN backup-set pieces within a given backup set
    • C、 RMAN backups
    • D、 RMAN channels
    • E、 None of the above

    正确答案:B

  • 第20题：

    Using the LIST command in Recovery Manager （RMAN）， which two pieces of information from the RMAN repository can be listed？ （）

    • A、backups that can be deleted
    • B、stored scripts in the recovery catalog
    • C、backup sets and image copies that are obsolete
    • D、only the most recent backup sets or image copies
    • E、backups that do not have the AVAILABLE status in RMAN repository

    正确答案:B,E

  • 第21题：

    单选题
    In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN> RUN 2> { 3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4> BACKUP DATABASE; 5> } Which statement is true about the outcome?（）
    A

    Only one channel is allocated and the backup is created in the flash recovery area

    B

    Only one channel is allocated and the backup is created in the destination specified for channel 1

    C

    Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2

    D

    Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    hich of the following RMAN structures can data from a datafile span?（）
    A

    RMAN backup-set pieces spanning backup sets 

    B

    RMAN backup-set pieces within a given backup sets 

    C

    RMAN backups 

    D

    RMAN channels 

    E

    None of the above


    正确答案： E
    解析： 暂无解析

  • 第23题：

    单选题
    You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?（）
    A

    A different procedure is required to restore a database from compressed backups

    B

    The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.

    C

    Using this command to create backups minimizes the bandwidth consumed

    D

    Using this command to create backups improves the performance of the backup process


    正确答案： C
    解析： 暂无解析

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