Examine this query and its output:
SQL> select fs_failover_status, fs_failover_current_target,
2 fs_failover_observer_present, fs_failover_oserver_host
3 from v$database:
FS_FAILOVER_STATUS FS_FAILOVER_CURRENT_TARGET
FS_FAILOVER_OBSERVER_PRESENT FS_FAILOVER_OBSERVER_HOST
--------------- ----------------------- ---------------- ------------------
BYSTANDER cats NO
O17.example.com
Which are true?
A. The observer is not connected to the database on which the query was executed.
B. Cats is a bystander database.
C. The observer is connected to the database on which the query was executed.
D. The observer is currently running on o17.example.com.
E. The observer is not running, but should run on o17.example.com.
Answer: A
Which three are true about using RMAN in a Data Guard environment?
A. A recovery catalog is required when RMAN is used to take backups from a logical standby database in a Data Guard configuration if you plan to recover the primary using those backups.
B. Backups of archived redo logs taken on a physical standby are interchangeable with a primary.
C. A recovery catalog is required when RMAN is used to take backups from a physical standby database if you plan to recover the primary using those backups.
D. Backups of control files taken on a physical standby are not interchangeable with a primary.
E. Backups of data files taken on a physical standby are interchangeable with a primary.
Answer: BCE
