单选题You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）A DatafilesB  Current control fileC  Se

第1题：

You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）

• A、 online redo log files
• B、 alert log files
• C、 control file
• D、 datafiles associated with the SYSTEM tablespace

第2题：

It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager （RMAN）. How would you make use of this consistent backup in RMAN？（）

• A、cannot be used in RMAN
• B、by starting up the database again
• C、by using the CATALOG command of RMAN
• D、by using the RECOVER CATALOG command in RMAN
• E、by re-creating the target control file to rebuild the RMAN repository

第3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

第4题：

You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）

• A、Database Datafiles 
• B、Database Control Files 
• C、Online redo logs
• D、Archived redo logs 
• E、The database SPFILE 
• F、None of the above, all these files are backed up. 

第5题：

You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）

• A、Datafiles
• B、 Current control file
• C、 Server parameter file （spfile）
• D、 Password file

第6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

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.

第8题：

You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE,Which statement is true of this command?（）

• A、A different procedure is required to restore a database from compressed backups 
• B、The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies. 
• C、Using this command to create backups minimizes the bandwidth consumed.
• D、Using this command to create backups improves the performance of the backup process 

第9题：

You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）

• A、 redo log files
• B、 password file
• C、 control file
• D、 change tracking file

第10题：

You perform a backup using the following BACKUP command：   RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE；   Which statement is true of this command？（）  

• A、 A different procedure is required to restore a database from compressed backups
• B、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed  backup sets and image copies.
• C、 Using this command to create backups minimizes the bandwidth consumed
• D、 Using this command to create backups improves the performance of the backup process