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MongoDB automatically computes the hashes when resolving queries using ______ indexes.

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MongoDB automatically computes the hashes when resolving queries using ______ indexes.

(a) hashed

(b) unique

(c) muiltkey

(d) all of the mentioned

This question was posed to me in an interview.

This interesting question is from Sharded Cluster Behavior topic in portion Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

1 Answer

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Best answer
Correct answer is (c) muiltkey

Easiest explanation: During a chunk migration, the destination shard is sent all the current documents in the chunk from the origin shard.

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