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________ instances provide query routing for sharded clusters.

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________ instances provide query routing for sharded clusters.

(a) mongod

(b) mongos

(c) netstats

(d) selectindexes

The question was posed to me in homework.

The doubt is from Security and MongoDB API Interfaces in portion Production Checklist, Security Concepts and Network Security of MongoDB

1 Answer

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Best answer
Correct option is (b) mongos

Easy explanation: Clients connect to mongos instances, which behave from the client’s perspective as mongod instances.

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