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In replica sets, each ________ maintains a connection to all other members of the set.(a) serverInfo(b) mongod(c) mongos(d) none of the mentionedThis question was posed to me by my school principal while I was bunking the class.My enquiry is from System Collections in section Production Checklist, Security Concepts and Network Security of MongoDB

Answer» CORRECT option is (b) MONGOD

To elaborate: mongod uses background threads for a number of internal processes, including TTL collections, replication, and replica SET health checks, which may REQUIRE a small number of additional resources.


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