1.

Point out the wrong statement.(a) Each replica set member will act in the role of primary replica only(b) The primary replica performs all writes and reads by default(c) Secondaries can also perform read operations, but the data is eventually consistent by default(d) None of the mentionedThe question was asked in a job interview.This question is from Big data and MongoDB topic in division MongoDB and noSQL Concepts of MongoDB

Answer»

The CORRECT answer is (a) Each replica set member will act in the role of primary replica only

Easy EXPLANATION: Each replica set member MAY act in the role of the primary or secondary replica at any TIME.



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