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Point out the wrong statement.

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Point out the wrong statement.

(a) MongoDB can query for locations contained entirely within a specified polygon

(b) MongoDB require an index for inclusion queries; however, such indexes will improve query performance

(c) Indexes on embedded fields allow you to use a “dot notation,” to introspect into embedded documents

(d) None of the mentioned

The question was posed to me during an online exam.

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

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Right answer is (b) MongoDB require an index for inclusion queries; however, such indexes will improve query performance

To explain: Both 2d and 2dsphere indexes can support inclusion queries.

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