Question 71 : _____ indexes uses planar geometry when returning results.
1. 2d
2. 1d
3. 3d
4. All of the mentioned
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Question 72 : ___________ indexes use spherical geometry to return results.
1. 3sphere
2. 2sphere
3. 1sphere
4. none of the mentioned
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Question 73 : MongoDB uses ______ indexes to index the content stored in arrays.
1. singlekey
2. multikey
3. compkey
4. none of the mentioned
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Question 74 : MongoDB also supports user-defined indexes on multiple fields called :
1. compound
2. composite
3. candidate
4. none of the mentioned
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Question 75 : The ______ index is unique and prevents clients from inserting two documents with the same value for the _id field.
1. _id
2. $default
3. _def
4. None of the mentioned
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Question 76 : MongoDB supports the creation of user-defined ascending/descending indexes on a ______ field of a document.
1. Single
2. Non Unique
3. Compound
4. None of the mentioned
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Question 77 : Point out the correct statement :
1. If an appropriate index exists for a query, MongoDB cannot use the index to limit the number of documents it must inspect
2. Indexes support the efficient execution of queries in MongoDB
3. The index stores the location of a specific field or set of fields, ordered by the value of the field
4. None of the mentioned
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Question 78 : MongoDB indexes use a _______ data structure.
1. Hash
2. Map
3. B-tree
4. All of the mentioned
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