单项选择题 You are using Recovery Manager (RMAN) for backup and recovery operations with a recovery catalog. You have been taken database backups every evening. On November 15, 2007, at 11:30 AM, you were informed that the USER_DATA tablespace was accidentally dropped. On investigation, you found that the tablespace existed until 11:00 AM, and important transactions were done after that. So you decided to perform incomplete recovery until 11:00 AM. All the archive logs needed to perform recovery are intact. In NOMOUNT state you restored the control file that has information about the USER_DATA tablespace from the latest backup. Then you mounted the database. Identify the next set of commands that are required to accomplish the task?（）

多项选择题 While querying the EMPLOYEES table， you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified.  Which RMAN command do you use to perform BMR and repair the corrupt block？（）

多项选择题 Whichofthefollowingarecorrectaboutblockmediarecovery？（）