Which three are true concerning database states after a successful switchover?

Which three are true concerning database states after a successful switchover? (Choose three.)
A. If the former primary database became a logical standby database it will be in mount state.
B. The new primary database will be open read-write.
C. The former primary database will always be open.
D. If the former primary database became a logical standby database it will be open read-write.
E. If the former primary database became a physical standby database it will always be open read-only.
F. If the former primary database became a physical standby database it will be in the same state as the former physical standby database.

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