单项选择题
A. While performing the backup of the datafile，data1.dbf，one backup set is created.
B. While performing the backup of the datafile，data1.dbf，two backup sets are created.
C. While performing the backup of the datafile，data1.dbf，three backup sets are created.
D. While performing the backup of the datafile，data1.dbf，the command for performing a backup of the datafile，data1.dbf，will fail.
单项选择题 You are using Recovery Manager （RMAN） for backup and recovery operations. Your backup and recovery policy is such that you are performing full database backup every Tuesday and Friday. You configure RMAN using the following command： RMAN>CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 4 DAYS； All backup and archived redo logs generated during the current week are as follows： Which of the following files will be listed when issuing the REPORT OBSOLETE command on Sunday？ （）
单项选择题 You issue the following RMAN command to set a retention policy on a database： RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of the above command？（）
单项选择题 YouadministeranOracleDatabase10gandathird-partydatabase.YouuseRecoveryManager（RMAN）toperformbackupandrecoveryoperations.YouhaveconfiguredarecoverycatalogtoactasanRMANrepository.TowhichofthefollowingdatabasescanyouNOTconnectusingtheRMANCONNECTcommand？（）