Which three statements are true about snapshot standby databases? 

Answer options:

A. Tablespaces can be dropped.
B. Tables can be dropped.
C. The broker may be used to fail over to a snapshot standby database.
D. A logical standby database can be converted into a snapshot standby database.
E. Tablespaces can be created.

ABE

Incorrect Answers: Not C: A snapshot standby database cannot be the target of a switchover or failover. A snapshot standby database must first be converted back into a physical standby database before performing a role transition to it. D: A snapshot standby database is a fully updatable standby database that is created by converting a physical standby database into a snapshot standby database. References: https://docs.oracle.com/cd/B28359_01/server.111/b28294/manage_ps.htm