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Question

How does MongoDB achieve redundancy and fault tolerance?

a.

By using a fixed schema

b.

By embedding documents within each other

c.

By using asynchronous replication

d.

By avoiding horizontal scaling

Posted under Big Data Computing

Answer: (c).By using asynchronous replication Explanation:MongoDB achieves redundancy and fault tolerance through asynchronous and master-slave replications.

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Q. How does MongoDB achieve redundancy and fault tolerance?

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