Q. To support ________ based sharding, MongoDB provides a hashed index type.

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Q. Point out the correct statement.

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Q. ________ index type, which indexes the hash of the value of a field.

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Q. The _________ property for an index causes MongoDB to reject duplicate values for the indexed field.

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Q. Point out the wrong statement.

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Q. The ______ property of an index ensures that the index only contain entries for documents that have the indexed field.

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Q. MongoDB can use the _________ of indexes to fulfill queries.

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Q. Which of the following method is to verify whether MongoDB used index intersection?

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Q. An index prefix is a subset of a ______ index, consisting of one or more keys starting from the beginning of the index.

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Q. Index __________ does not eliminate the need for creating compound indexes.

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Q. Before version _______ capped collections did not have an _id field.

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Q. Point out the wrong statement.

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Q. For a _____ multikey index, each indexed document can have at most one indexed field whose value is an array.

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Q. Which of the following indexes cannot be multikey?

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Q. Point out the wrong statement.

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Q. To calculate geometry over an Earth-like sphere, store your location data on a spherical surface and use _____ index.

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Q. ______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.

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Q. The coordinate reference system for GeoJSON uses the _____ datum.

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Q. Which of the following is used to calculate distances on a Euclidean plane?

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Q. Queries on ________ objects always calculate on a sphere.

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