Explanation:In some cases, you can use replication to increase read capacity. 6. To support replication, the primary records all changes to its data sets in its _______.
A. oplog
B. adlog
C. log
D. None of the mentioned
Answer:A
Explanation:In some cases, you can use replication to increase read capacity. 6. To support replication, the primary records all changes to its data sets in its _______.
A. oplog B. adlog C. log D. None of the mentioned
Explanation:If the primary is unavailable, the replica set will elect a secondary to be primary. 7. You may add an extra mongod instance to a replica set as an :