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多选题Which two kinds of failures make the Data Recovery Advisor （DRA） generate a manual checklist（）Afailure when no standby database is configuredBfailure because a data file is renamed accidentallyCfailure that requires no archive logs to be applied for re

题目
多选题
Which two kinds of failures make the Data Recovery Advisor （DRA） generate a manual checklist（）
A

failure when no standby database is configured

B

failure because a data file is renamed accidentally

C

failure that requires no archive logs to be applied for recovery

D

failure due to loss of connectivity-for example， an unplugged disk cable

参考答案和解析
正确答案： D,A
解析： 暂无解析
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相似问题和答案

第1题：

Identify two situations in which you can use Data Recovery Advisor for recovery. ()(Choose two.)

A. The user has dropped an important table that needs to be recovered.

B. The database files are corrupted when the database is open.

C. You are not able to start up the database instance because the required database files are missing.

D. The archived log files are missing for which backup is not available.


参考答案：B, C

第2题：

A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

  • A、flash back all the tables in the data file， one by one
  • B、restore the data file to a new location and perform a media recovery
  • C、flash back the database; there is no need to restore the data file
  • D、restore the data file from the most recent backup and flash back the database

正确答案:B

第3题：

Which two activities are NOT supported by the Data Recovery Advisor?()

A. Diagnose and repair a data file corruption offline.

B. Diagnose and repair a data file corruption online.

C. Diagnose and repair failures on a standby database.

D. Recover from failures in the Real Application Cluster (RAC) environment.


参考答案：C, D

第4题：

The database is running in NOARCHIVELOG mode. A data file is lost. Which two are valid options for recover？（）

  • A、Restore the data file and perform incomplete recovery.
  • B、Restore the data file and perform point-in-time recover.
  • C、Drop the tablespace and lose all data in the tablespace.
  • D、Restore the database and lose all data since the last backup.

正确答案:C,D

第5题：

Which two kinds of failures make the Data Recovery Advisor （DRA） generate a manual checklist（）

  • A、failure when no standby database is configured
  • B、failure because a data file is renamed accidentally
  • C、failure that requires no archive logs to be applied for recovery
  • D、failure due to loss of connectivity-for example， an unplugged disk cable

正确答案:B,D

第6题：

Which  kinds of failures make the Data Recovery Advisor （DRA） generate a manual checklist？（）

  • A、Failure when no standby database is configured
  • B、Failure because a data file is renamed accidentally
  • C、Failure that requires no archive logs to be applied for recovery
  • D、Failure due to loss of connectivity-for example， an unplugged disk cable

正确答案:B,D

第7题：

Which two activities are NOT supported by the Data Recovery Advisor?（）

  • A、Diagnose and repair a data file corruption offline.
  • B、Diagnose and repair a data file corruption online.
  • C、Diagnose and repair failures on a standby database.
  • D、Recover from failures in the Real Application Cluster (RAC) environment.

正确答案:C,D

第8题：

Which two kinds of failures make the Data Recovery Advisor (DRA)generate a manual checklist? ()

A. failures because a data file is renamed by error

B. failures when no standby database is configured

C. failures that require no archive logs to be applied for recovery

D. failures due to loss of connectivity-for example, an unplugged disk cable


参考答案：A, D

第9题：

What are the two advantages of RMAN Block Media Recovery （BMR） over file/x7flevel recovery？（）

  • A、BMR lowers the mean time to recover （MTTR）.
  • B、BMR supports point­in­time recovery of individual data blocks.
  • C、BMR enables you to use incremental backups for block recovery.
  • D、BMR enables recovery even when the database is not mounted or open.
  • E、BMR enables you to use proxy backups to perform block media recovery.
  • F、BMR enables increased availability of data during recovery because the data file that requires a recovery can remain online.

正确答案:A,F

第10题：

A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

  • A、 Flash back all the tables in the data file， one by one.
  • B、 Restore the data file to a new location and perform a media recovery.
  • C、 Flash back the database， there is no need to restore the data file.
  • D、 Restore the data file from the most recent backup and flash the database.

正确答案:B

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