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Which two statements are true about the RMAN validate databa

题目
多选题
Which two statements are true about the RMAN validate database command?（）
A

It checks the database for intrablock corruptions.

B

It can detect corrupt pfiles.

C

It can detect corrupt spfiles.

D

It checks the database for interblock corruptions.

E

It can detect corrupt block change tracking files.

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相似问题和答案

第1题：

Which two statements are true about AH?() (Choose two.)

A. AH provides data integrity.

B. AH is identified by IP protocol 50.

C. AH is identified by IP protocol 51.

D. AH cannot work in conjunction with ESP


参考答案：A, C

第2题：

Which two statements are true about L2TP tunnels?（） (Choose two.)

  • A、Traffic is clear text
  • B、Traffic is encrypted 
  • C、They are initiated by the LNS
  • D、They are initiated by the LAC

正确答案:A,D

第3题：

Which two statements are true about the RMAN validate database command?()

A. It checks the database for intrablock corruptions.

B. It can detect corrupt pfiles.

C. It can detect corrupt spfiles.

D. It checks the database for interblock corruptions.

E. It can detect corrupt block change tracking files.


参考答案：A, C

第4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5题：

Which two statements about the Cisco Nexus 1000V VSM are true?（）

  • A、It performs switching decisions and forwarding for the VEM
  • B、It can be run on a virtual machine
  • C、It can be used for remote VEM switching Iine cards

正确答案:B,C

第6题：

Which two statements are true about precedence values in policy?() (Choose two.)

A. 1 is the default precedence.

B. A lower number is preferred.

C. A higher number is preferred.

D. 100 is the default precedence.


参考答案：B, D

第7题：

Which two statements are true about the RMAN validate database command?（）

  • A、It checks the database for intrablock corruptions.
  • B、It can detect corrupt pfiles.
  • C、It can detect corrupt spfiles.
  • D、It checks the database for interblock corruptions.
  • E、It can detect corrupt block change tracking files.

正确答案:A,C

第8题：

You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）

A. Corrupted blocks, if any, are repaired.

B. Checks are performed for physical corruptions.

C. Checks are performed for logical corruptions.

D. Checks are performed to confirm whether all database files exist in correct locations

E. Backup sets containing both data files and archive logs are created.


参考答案：B, D

第9题：

Which two statements are true about precedence values in policy?（） (Choose two.)

  • A、1 is the default precedence.
  • B、A lower number is preferred.
  • C、A higher number is preferred.
  • D、100 is the default precedence.

正确答案:B,D

第10题：

Which two statements are true about the duplexing of the backups taken by RMAN? （）(Choose two.)

  • A、It's only supported for the backups performed on the tape
  • B、It is not supported for backup operations that produce image copies
  • C、Duplex backups need a parallelism for the device to be equal to number of copies
  • D、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously

正确答案:B,D

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