11.Your database is in archivelog mode.
You want to disable archiving for the database. Examine these steps:
1. Execute the alter database noarchivelog command.
2. Execute shutdown immediate.
3. Execute startup mount.
4. Set the db_recovery_file_dest parameter to $ORACLE_HOME/dbs/.
5. Execute startup nohount.
6. Open the database.
7. Execute shutdown transactional
Identify the required steps in the correct sequence.
A) 2, 5, 1, 6
B) 1, 2, 3, 4, 6
C) 4, 2, 5, 1, 6
D) 2, 3, 1, 6
Answer：D
(解析：把数据库改变为非归档模式，只要正常关闭数据库，然后在 mount 状态下执行 noarchivelog，最后打开数据库。)