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___________ indexes use spherical geometry to return results.

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+2 votes
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in MongoDB by (131k points)
___________ indexes use spherical geometry to return results.

(a) 3dsphere

(b) 2dsphere

(c) 1dsphere

(d) none of the mentioned

This question was addressed to me in quiz.

I need to ask this question from Indexes In MongoDB in section Index/Indexing Concepts of MongoDB

1 Answer

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Best answer
Correct choice is (b) 2dsphere

Easiest explanation: To support efficient queries of geospatial coordinate data, MongoDB provides two special indexes.

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