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多选题Which three activities are supported by the Data Recovery Advisor?（）AAdvising on block checksum failuresBAdvising on inaccessible control filesCAdvising on inaccessible block change tracking filesDAdvising on empty password filesEAdvising on invalid bl

题目
多选题
Which three activities are supported by the Data Recovery Advisor?（）
A

Advising on block checksum failures

B

Advising on inaccessible control files

C

Advising on inaccessible block change tracking files

D

Advising on empty password files

E

Advising on invalid block header field values

参考答案和解析
正确答案： B,D
解析： 暂无解析
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相似问题和答案

第1题：

Which three activities are supported by the Data Recovery Advisor?()

A. Advising on block checksum failures

B. Advising on inaccessible control files

C. Advising on inaccessible block change tracking files

D. Advising on empty password files

E. Advising on invalid block header field values


参考答案：A, B, E

第2题：

Which three types of content filtering are supported only for HTTP? （）(Choose three.)

  • A、block Flash
  • B、block Java applets
  • C、block ActiveX
  • D、block EXE files
  • E、block MIME type

正确答案:B,C,D

第3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4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

正确答案:C,D

第5题：

On which three can you use Recovery Manager （RMAN） to perform incremental backup？（）

  • A、data files
  • B、control files
  • C、tablespaces
  • D、password file
  • E、parameter file
  • F、whole database
  • G、flashback log file
  • H、archived log files
  • I、change tracking file

正确答案:A,C,F

第6题：

Which three types of content filtering are supported only for HTTP? ()(Choose three.)

A. block Flash

B. block Java applets

C. block ActiveX

D. block EXE files

E. block MIME type


参考答案：B, C, D

第7题：

You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement will you use to enable the block change tracking feature？（）

  • A、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING；
  • B、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING；
  • C、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE ；
  • D、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ；

正确答案:D

第8题：

You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）

A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;

B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;

C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;

D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;


参考答案：C

第9题：

To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file?（）

  • A、Multiple change tracking files can be created for a database.
  • B、The change tracking file must be created after the first level 0 backup.
  • C、RMAN does not support backup and recovery of the change tracking file.
  • D、The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.

正确答案:C,D

第10题：

Which RMAN backup command is used to create the block-change tracking file？（）  

  • A、 alter database create block change tracking file
  • B、 alter database enable block change file
  • C、 alter database enable block change tracking using file ，/ora01/opt/ block_change_tracking.fil
  • D、 alter system enable block change tracking using file ’/ora01/opt/block_ change_tracking.fil’
  • E、 alter system block change tracking on

正确答案:C

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