Q. If a collection contains documents or embedded documents that are in different languages, include a field named _______ in the documents.

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Q. Point out the correct statement.

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Q. To use a field with a name other than language, include the ________ option when creating the index.

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Q. The default name for the index consists of each indexed field name concatenated with _______

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Q. To avoid creating an index with a name that exceeds the index name length limit, you can pass the _____ option to the db.collection.createIndex() method.

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Q. The default weight is ____ for the indexed fields.

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Q. For a ______ index, the weight of an indexed field denotes the significance of the field relative to the other indexed fields in terms of the score.

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Q. _________ operations that use an index often have better performance than those that do not use an index.

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Q. Point out the wrong statement.

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Q. A prefix of a _______ index is a subset that consists of one or more keys at the start of the index key pattern.

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Q. Sort operations that do not use an index will abort when they use _______ megabytes of memory.

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Q. Point out the correct statement.

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Q. An index can support sort operations on a non-prefix subset of the index key pattern using _________ condition.

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Q. __________ method provides a wrapper around the totalIndexSize output of the collStats (i.e. db.collection.stats()) operation.

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Q. Indexes do not have to fit entirely into ______ in all cases.

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Q. ________ is the ability of a query to narrow results using the index.

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Q. __________ query calculates distances using flat (planar) geometry.

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Q. Point out the wrong statement.

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Q. _________ defines a circle for a geospatial query that uses spherical geometry.

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Q. When used with the $box operator, _________ returns documents based on grid coordinates and does not query for GeoJSON shapes.

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