Explanation: One mongod, the primary, receives all write operations. 2. Point out the wrong statement :
A. Replication provides redundancy and increases data availability
B. Replication allows you to recover from hardware failure and service interruptions
C. With multiple copies of data on different database servers, replication protects a database from the loss of a single server
D. None of the mentioned
Answer:A
Explanation: One mongod, the primary, receives all write operations. 2. Point out the wrong statement :
A. Replication provides redundancy and increases data availability B. Replication allows you to recover from hardware failure and service interruptions C. With multiple copies of data on different database servers, replication protects a database from the loss of a single server D. None of the mentioned
Explanation:With additional copies of the data, you can dedicate one to disaster recovery, reporting, or backup. 3. All other instances, secondaries, apply operations from the _________ so that they have the same data set.