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多选题Which two statements about Recovery Manager （RMAN） backups are true？ （）AOnline redo log files can be backed up.BArchived redo log files are backed up.COnly used data blocks can be backed up as backup sets.DOnly consistent database backups can be perfor

题目
多选题
Which two statements about Recovery Manager （RMAN） backups are true？ （）
A

Online redo log files can be backed up.

B

Archived redo log files are backed up.

C

Only used data blocks can be backed up as backup sets.

D

Only consistent database backups can be performed.

E

RMAN backup can be taken only if the database is configured in ARCHIVELOG mode.

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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 need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation? ()(Choose two)

A. You must configure block change tracking file

B. You must have first level 1 backups for RMAN to restore blocks

C. You must ensure that the SALES database is mounted or open

D. You must have full or level 0 backups for RMAN to restore blocks

E. You must take the tools01.dbf data file offline before you start a block media recovery


参考答案：C, D

第3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4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5题：

For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？ （）

  • A、RMAN image copies
  • B、RMAN database backups
  • C、RMAN tablespace backups
  • D、user­managed backups placed in the flash recovery area
  • E、user­managed backups that have been cataloged with RMAN
  • F、user­managed data file backups for which the full path name is specified

正确答案:A,B,C,E

第6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.


参考答案：A, D

第7题：

Which of the following statements is NOT true about RMAN？（）

  • A、It improves usability by enabling you to reuse the scripts to perform recovery operations.
  • B、It detects block corruption while restoration and recovery operations.
  • C、It enables you to perform block media recovery.
  • D、It is capable to recover through unrecoverable operations， with only full database backups.

正确答案:A

第8题：

You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation?()

A. You must configure block change tracking file

B. You must have first level 1 backups for RMAN to restore blocks

C. You must ensure that the SALES database is mounted or open

D. You must have full or level 0 backups for RMAN to restore blocks

E. You must take the tools01.dbf data file offline before you start a block media recovery


参考答案：C, D

第9题：

You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN). Identify two scenarios is which you must have a recovery catalog.（）

  • A、To store the backup information of multiple database
  • B、To restrict the amount of space that is used by the backups
  • C、To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.
  • D、To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.

正确答案:A,D

第10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

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