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Question

How does MongoDB allow users to define the consistency level for their operations?

a.

By using a mapping function

b.

By waiting until data is replicated to all nodes

c.

By using a type-safe query language

d.

By storing data schema in memory

Posted under Big Data Computing

Answer: (b).By waiting until data is replicated to all nodes Explanation:MongoDB allows users to define the consistency level by waiting until the new element has been replicated to all nodes, which is directly related to achievable performance.

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Q. How does MongoDB allow users to define the consistency level for their operations?

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