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MongoDB MCQs

Which of the following is true? Check all that apply.

A replica set is a group of mongodb instances that host the same data set.

Replica set has only one node.

In a replica one node is primary node that receives all write operations.

At the time of automatic fail over or maintenance, all secondary nodes act as main node.

Some data replicates from primary to secondary node.

Answer

Correct Answer: A replica set is a group of mongodb instances that host the same data set.

Explanation:

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