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单选题Observe the following warning in an RMAN session of your database instance: WARNING: new failures were found since last LIST FAILURE command Which statement describes the scenario that must have produced this warning?（）A The CHANGE FAILURE command has

题目
单选题
Observe the following warning in an RMAN session of your database instance: WARNING: new failures were found since last LIST FAILURE command Which statement describes the scenario that must have produced this warning?（）
A

The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository(ADR)

B

The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR)

C

The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE

D

The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE command was executed

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相似问题和答案

第1题：

View the Exhibit to examine the error while executing the REPAIR FAILURE command in an RMAN session.What is the reason for this error?()

A. Another repair session is running concurrently.

B. The failure ID has not been mentioned in the command for data file 5.

C. There are new failures recorded in the Automatic Diagnostic Repository (ADR).

D. The ADVISE FAILURE command has not been issued before the REPAIR FAILURE command.


参考答案：A

第2题：

Examine the following scenario:The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:Which statement is true about the duplicate database in this scenario?（）

A. It contains data till the last backup

B. It contains all data from target database until the current time

C. It contains all data from only the committed transactions in the target database

D. It contains all data except that which is used by the transactions in the current online redo file of target database


参考答案：D

第3题：

You observed the following output for a user session:What do you infer from the preceding output?()

A. Resumable set for session with sid 18

B. The user session has entered into a deadlock

C. The database instance is enabled to use asynchronous commit

D. The threshold warning limit is exceeded for the tablespace that is used by the user session


参考答案：A

第4题：

You executed the following commands in an RMAN session for your database instance that has failures：  RMAN> LIST FAILURE；  After some time， you executed the following command in the same session： RMAN> ADVISE FAILURE；  But there are new failures recorded in the Automatic Diagnostic Repository （ADR） after the execution ofthe last LIST FAILURE command.  Which statement is true for the above ADVISE FAILURE command in this scenario（）

  • A、It produces a warning for new failures before advising for CRITICAL and HIGH failures.
  • B、It ignores new failures and considers the failures listed in the last LIST FAILURE command only.
  • C、It produces advice only for new failures and the failures listed in the last LIST FAILURE command are ignored
  • D、It produces an error with recommendation to run the LIST FAILURE command before the ADVISE FAILURE command.

正确答案:A

第5题：

The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN> REPORT OBSOLETE； What would you see in the output？（）

  • A、 a list of all those files that have been deleted in the last two days
  • B、 a list of all those files that have been recovered within the last two days
  • C、 a list of all the expired backups and copies
  • D、 a list of backups and copies that are outside the range covered by the current retention policy

正确答案:D

第6题：

View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:RMAN> REPAIR FAILURE;Which statement describes the consequence of the command?（）

A. The command performs the recovery and closes the failures.

B. The command only displays the advice and the RMAN script required for repair.

C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.

D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).


参考答案：C

第7题：

You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（）

  • A、The instance would hang.
  • B、The instance needs to be shut down.
  • C、The instance would be in the open state.
  • D、The instance would abort in such cases.
  • E、The instance would be in the open and invalid state.
  • F、The instance would in the open state， but all the background processes will be restarted.

正确答案:D

第8题：

Observe the following warning in an RMAN session of your database instance:WARNING: new failures were found since last LIST FAILURE commandWhich statement describes the scenario that must have produced this warning?（）

A. The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository(ADR)

B. The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR)

C. The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE

D. The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE command was executed


参考答案：C

第9题：

In which scenario， will you issue the following command？（） RMAN> REPORT NEED BACKUP DAYS 7；

  • A、 to configure RMAN to maintain backup information in the RMAN repository for seven days
  • B、 to configure RMAN to maintain backup information in the control file for at least seven days
  • C、 to display the list of files that have not been backed up for the last seven days
  • D、 to display the list of files that must be backed up within seven days

正确答案:C

第10题：

Which statement describes the significance of the CHANGE FAILURE command in RMAN？（）

  • A、 It is used to change failure priority only for HIGH or LOW priorities.
  • B、 It is used to execute the advised repair script.
  • C、 It is used to change failure priority only for the CRITICAL priority.
  • D、 It is used to explicitly close the open failures.
  • E、 It is used to inform the database about the repair after the repair script executes.

正确答案:A,D

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