单项选择题

What is an obsolete backup set？（）

A. A backup set that is missing one or more backup set pieces
B. A backup that has exceeded the retention criteria and is no longer needed
C. A backup set that does not include archived redo logs
D. A backup set that can not be recovered due to corruption
E. A backup set superceded by a datafile copy

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多项选择题

What is the purpose of the recover command？（）

A. Recover database datafiles from physical disk backup sets.
B. Recover required incremental backups from physical disk backup sets.
C. Recover required archived redo logs from physical disk backup sets.
D. Apply incremental backups to recover the database.
E. Apply archived redo logs to recover the database.

单项选择题

What is the purpose of the until change option of the restore command？（）

A. It allows you to select the SCN that you want to restore to.
B. It allows you to select the log sequence number you want to restore to.
C. It allows you to select the timestamp you want to restore to.
D. It allows you to manually stop the restore at any time as online redo logs are applied.
E. None of the above.

单项选择题

You have control-file autobackups enabled. When starting your database from SQL*Plus， you receive the following error message：
SQL> startup ORA-01078： failure in processing system parameters LRM-00109：
could not open parameter file ，
C：\ORACLE\PRODUCT\11.1.0\DB_1\DATABASE\INITORCL.ORA Using RMAN，
how would you respond to this error？（）

A. Issue the startup nomount command and then issue the restore parameter file command from the RMAN prompt.
B. Issue the startup nomount command and then issue the restore spfile command from the RMAN prompt.
C. Issue the startup nomount command and then issue the restore spfile from autobackup command from the RMAN prompt.
D. Issue the startup nomount command and then issue the restore spfile from backup command from the RMAN prompt.
E. Issue the restore spfile from autobackup command from the RMAN prompt.