Explanation:To support effective failover, ensure that one facility can elect a primary if needed. 2. Point out the wrong statement :
A. Administrators must apply or discard rollback data manually
B. Network partitions could not prevent the set from being able to form a majority
C. Replica sets remove “rollback” data when needed without intervention
D. None of the mentioned
Answer:A
Explanation:To support effective failover, ensure that one facility can elect a primary if needed. 2. Point out the wrong statement :
A. Administrators must apply or discard rollback data manually B. Network partitions could not prevent the set from being able to form a majority C. Replica sets remove “rollback” data when needed without intervention D. None of the mentioned
Explanation:When a rollback does occur, it is often the result of a network partition. 3. A rollback reverts _______ operations on a former primary when the member rejoins the replica set after a failover.