Oracle 1z0-040: Oracle Database 10g: New Features for Administrators
#156. The list below display four step that you need to execute in order to switch from the primary database role to the standby database role. Choose the correct order of execution for the steps; 1. Shut down and start up the former primary instance without mounting the database. 2. Issue the ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY command. 3. Issue the ALTER DATABASE MOUNT STANDBY DATABASE comman. 4. End read or update activity on the former primary and standby database.