Explanation:All replica set members contain a copy of the oplog, in the local.oplog.rs collection, which allows them to maintain the current state of the database. 3. The oplog must translate multi-updates into individual operations in order to maintain ____________.
A. availability
B. idempotency
C. scalability
D. Secondary
Answer:A
Explanation:All replica set members contain a copy of the oplog, in the local.oplog.rs collection, which allows them to maintain the current state of the database. 3. The oplog must translate multi-updates into individual operations in order to maintain ____________.
A. availability B. idempotency C. scalability D. Secondary
Explanation:This can use a great deal of oplog space without a corresponding increase in data size or disk use. 4. Use _________ from a secondary member and the replication status output to assess the current state of replication