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If the specified polygon is _______ than a single hemisphere, the behavior of $geoWithin with the MongoDB CRS is the same as with the default CRS.

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If the specified polygon is _______ than a single hemisphere, the behavior of $geoWithin with the MongoDB CRS is the same as with the default CRS.

(a) smaller

(b) bigger

(c) equal

(d) all of the mentioned

The question was posed to me during an interview.

Question is taken from Index Types topic in division Index/Indexing Concepts of MongoDB

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Best answer
Correct choice is (a) smaller

Best explanation: For all other GeoJSON polygons with areas greater than a hemisphere, $geoWithin queries for the complementary geometry.

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