CMS专题
多选题When CONFIGURE CONTROLFILE AUTOBACKUP is set to ON， RMAN automatically performs a control file autobackup in which three situations？（）AAt the end of every RUN block.BAfter every SET CONTROLFILE AUTOBACKUP FORMAT command.CAfter every BACKUP or COPY comm
题目
At the end of every RUN block.
After every SET CONTROLFILE AUTOBACKUP FORMAT command.
After every BACKUP or COPY command issued at the RMAN prompt.
At the end of every RUN block if the last command in the block was either BACKUP or COPY.
Whenever a BACKUP or COPY command within a RUN block is followed by a command that is neither BACKUP nor COPY.
After every BACKUP or COPY command within a RUN block that is followed by the CONFIGURE CONTROLFILE AUTOBACKUP FORMAT command.
相似问题和答案
第1题：
Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN> BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）
- A、 control file
- B、 all datafiles
- C、 password file
- D、 online redo log file
- E、 archive redo log file
- F、 server parameter file
- G、 only the SYSTEM datafile
正确答案:A,B,F
第2题：
Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）
- A、 when you change the name of a datafile
- B、 when you drop a table from the database
- C、 when you take an export of the database
- D、 when you back up the database using OS utilities
- E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
- F、 when you issue a BACKUP command from inside the RMAN run block
正确答案:A,E,F
第3题：
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON; Which two events would cause the control file to be backed up automatically？ （）
- A、a tablespace is taken offline
- B、the database instance is restarted
- C、a new data file is added to an existing tablespace
- D、a successful backup is recorded in the RMAN repository
- E、the RMAN connection is disconnected from the target database
正确答案:C,D
第4题：
You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command： RMAN>BACKUP DATABASE； At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）
- A、 Start the database in the MOUNT stage.
- B、 Back up the control file to trace.
- C、 Set the DBID
- D、 Issue the RECOVER DATABASE command.
正确答案:C
第5题：
You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP； How does RMAN find the control file autobackup？（）
- A、 By using the trace file.
- B、 By using the alert log file.
- C、 By using the database ID
- D、 By using the server parameter file.
- E、 By using the V$CONTROLFILE view.
- F、 By using the autobackup format configuration setting.
正确答案:C,F
第6题：
What command would you issue to enable automated backups of control files？（）
- A、 alter database controlfile autobackup on
- B、 alter system controlfile autobackup on
- C、 configure controlfile autobackup on
- D、 enable controlfile autobackup
正确答案:C
第7题：
You issued the following RMAN command： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON； What is NOT an impact of using the above command？（）
- A、 When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.
- B、 When a structural change is made to the database， then a backup of the current control file is performed.
- C、 When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.
- D、 When a structural change is made to the database， then a backup of the alert log file will be performed.
正确答案:D
第8题：
The SET CONTROLFILE AUTOBACKUP FORMAT command， which you can specify either within a RUN block or at the RMAN prompt， overrides the configured autobackup in the session only. What is the order of precedence？（） 1. SET within RUN 2. SET at RMAN prompt 3. CONFIGURE
- A、1,2,3
- B、2,3,1
- C、3,2,1
- D、There is no precedence between RUN and the RMAN prompt. Each will override CONFIGURE in the session.
正确答案:A
第9题：
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON； Which two events would cause the control file to be backed up automatically？ （）
- A、 A tablespace is taken offline.
- B、 The database instance is restarted.
- C、 A new data file is added to an existing tablespace.
- D、 A successful backup is recorded in the RMAN repository.
- E、 The RMAN connection is disconnected from the target database.
正确答案:C,D
第10题：
What command would you issue to enable automated backups of control files? （）
- A、alter database controlfile autobacku on
- B、alter system controlfile autobackup on
- C、configure controlfile autobackup on
- D、enable controlfile autobackup
正确答案:C