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What is MongoDB failover?

Failover is the automatic recovery process where MongoDB switches operations to another available server when the current primary fails. Replica sets provide automatic failover to reduce downtime.

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What is MongoDB and why is it used?

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What is the difference between SQL and MongoDB?

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What are Collections and Documents in MongoDB?

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Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.