Identify the required steps in the correct sequence.

Your database is in NOARCHIVELOG mode. You want to enable archiving for the database. Examine the steps:
1. Execute the ALTER DATABASE ARCHIVELOG command.
2. Execute SHUTDOWN IMMEDIATE.
3. Execute STARTUP MOUNT.
4. Set the DB_RECOVERY_FILE_DEST parameter to $ORACLE_HOME/dbs/.
5. Execute STARTUP NOMOUNT.
6. Open the database.

Identify the required steps in the correct sequence. (Choose the best answer)

A.
4, 2, 5, 1, 6

B.
1, 2, 3, 4, 6

C.
2, 3, 1, 6

D.
2, 5, 1, 6

Explanation: