1z0-043

多选题Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）ABackup compression is disabled by default.BBackup compression can be used with both backup sets and image copies.CBackup compression cannot be enabled using the CO

题目
多选题
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.

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相似问题和答案

第1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


参考答案：A, D

第2题：

You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation? ()(Choose two.)

A. Backup compression should be enabled

B. Parallelism for the channel should be set to 2

C. All the files must be backed up as backup sets

D. The backup may be stored either on disk or on media with media manager


参考答案：C, D

第3题：

You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?()

A. Backup compression should be enabled

B. Parallelism for the channel should be set to 2

C. All the files must be backed up as backup sets

D. The backup may be stored either on disk or on media with media manager


参考答案：D, E

第4题：

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

  • 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.

正确答案:A,D

第5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6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


参考答案：C

第7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：

You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?（）

  • A、The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.
  • B、The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.
  • C、The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.
  • D、Only the BZIP2 compression algorithm can be used to make compressed backups to disk.

正确答案:A

第10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

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