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All read preference modes except _______ may return stale data.

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All read preference modes except _______ may return stale data.

(a) primary

(b) primaryPreferred

(c) secondary

(d) none of the mentioned

I got this question during an interview.

This is a very interesting question from Operational Segregation in section Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

1 Answer

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Best answer
Correct answer is (a) primary

Explanation: Ensure that your application can tolerate stale data if you choose to use a non-primary mode.

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