單項選擇題

You want to implement the backup and recovery strategy in your database using Recovery Manager （RMAN）. You have chosen the control file of the target database for the RMAN repository. Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication？（）

A. rman TARGET / NOCATALOG
B. rman TARGET sys/password
C. rman TARGET sys/password AS SYSDBA
D. rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat

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單項選擇題

You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup metadata information. You want to enable the reusable section of the control file to expand itself if the oldest record cannot be reused， and whenever a new record is added to the reusable section of the control file. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME parameter？（）

A. Zero
B. One or more
C. NONE
D. DEFAULT

單項選擇題

You issued the RMAN>SHOW ALL； command. The output of this command is as follows：

After analyzing the output， which conclusion will you draw？（）

A. The current control file is not automatically backed up every time you perform a backup.
B. The backups save space on the storage media.
C. While performing backups across a network， the network bandwidth is reduced.
D. The backups consist of backup pieces.

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You issued the RMAN>SHOW ALL； command. The output of this command is as follows： After analyzing the output， which conclusion will you draw？（）

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You issued the RMAN>SHOW ALL； command. The output of this command is as follows：

After analyzing the output， which conclusion will you draw？（）