YOU ISSUE THE COMMAND ALTER DATABASE CLEAR LOGFILE GROUP 2 AND IT FAILS WITH THE MESSAGE “ORA-01624

2. You issue the command ALTER DATABASE CLEAR LOGFILE GROUP 2 and

it fails with the message “ORA-01624: log 2 needed for crash recovery of

instance ocp11g (thread 1).” What could be an explanation for this? (Choose

the best answer.)

A. Log file group 2 has not been archived.

B. Log file group 2 is being used for recovery.

C. Log file group 2 is active.

D. The group is not multiplexed.