违法和不良信息举报 联系客服
免费注册 登录

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.

参考答案和解析
正确答案： C
解析： 暂无解析
如果没有搜索结果或未解决您的问题，请直接 联系老师 获取答案。
相似问题和答案

第1题：

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 multiplexing

B. Set the DEBUG ON in the RMAN script

C. Specify the command ID in the RMAN script

D. Use a tag with the RMAN BACKUP command


参考答案：C

第2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3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


参考答案：A, B, C

第4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5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6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: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

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


参考答案：A

第7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8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


参考答案：A, D

第9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10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

更多相关问题
相关内容