Point out the correct statement.
(a) Replica sets allow a MongoDB deployment to remain available during the majority of a maintenance window
(b) Always start mongod with the same user, even when restarting a replica set member as a standalone instance
(c) The secondary takes time to catch up to the primary
(d) All of the mentioned
I had been asked this question by my college director while I was bunking the class.
I need to ask this question from Replication Maintenance topic in chapter Replication Concepts, Processes and Replication Set of MongoDB