Choose the four best commands from the following list that you would use to enable ARCHIVELOG mode, and put them in the correct order: 1. STARUP MOUNT 2. SHUTDOWN ABORT 3. ALTER DATABASE ARCHIVELOG; 4. STARTUP FORCE 5. ALTER DATABASE ENABLE ARCHIVELOG; 6. ALTER SYSTEM SWITCH LOGFILE; 7. SHUTDOWN NORMAL 8. ALTER DATABASE OPEN; 9. SHUTDOWN IMMEDIATE