单项选择题

Which view provides information on the backup status of the datafiles in the database？（）

A. V$BACKUP
B. V$BACKUP_STATUS
C. V$BACKUP_DATAFILE
D. V$DATAFILE_BACKUP
E. V$TABLESPCE_BACKUP

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单项选择题

What will be the result of the following configuration？（）
Log_archive_dest_1=location=c：\oracle\arch\mydb
Log_archive_dest_2=location=z：\oracle\arch\mydb

A. An error will occur during database startup because the second parameter is not valid.
B. An error will occur during database startup since you are trying to create archived redo logs in two different locations.
C. Archived redo logs will be created in two different locations by the ARCH process.
D. Archived redo logs will be created in two different locations by the LGWR process.
E. Neither parameter setting is valid， so the database will not start up.

单项选择题

Archived redo logs can be copied to more than one destination by Oracle.（）

A. True
B. False

单项选择题

Which is not a valid way of backing up a control file？（）

A. Backing up the control file to trace
B. Copying the existing control file of the database to the backup location during a hot backup
C. Copying the existing control file of the database to the backup location during a cold backup
D. Creating a backup control file
E. Using the create controlfile command