Q. Point out the wrong statement.

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Q. _____________ is used to control mongod commits in the journal.

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Q. Clients can set a __________ value as part of a replica acknowledged write concern.

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Q. MongoDB does not ___________ modifications made before the wtimeout interval expired.

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Q. With an __________ write concern, MongoDB does not acknowledge the receipt of write operations.

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Q. With a receipt acknowledged write concern, the _________confirms that it received the write operation and applied the change to the in-memory view of data.

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Q. Indexes are typically available in ______ or located sequentially on disk.

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Q. Point out the wrong statement.

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Q. ___________ is used to determine whether a query is a covered query.

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Q. The ________ message is used to update a document in a collection.

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Q. Point out the correct statement.

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Q. _____ can modify specific fields of an existing document or documents or replace an existing document entirely, depending on the update parameter.

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Q. The update() method uses the _______ command, which uses the default write concern.

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Q. _________ is used to view statistics about the query plan for a given query.

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Q. A ________ query plan has returned a threshold number of matching results.

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Q. A query _______ consists of a combination of query, sort, and projection specifications.

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