Q167. Which two are true about automatic block repair?

Q167. Which two are true about automatic block repair? (Choose two.)

• A. Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING =TRUE.
• B. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
• C. Real-Time Query must be enabled on a primary database for automatic block repair to be done onany of its physical standby databases.
• D. It is not possible for media corrupt blocks.
• E. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.