Q. How many does collections GridFS use to store files?

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Q. The default chunk size is changed from 256k to 255k in which version?

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Q. Point out the wrong statement.

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Q. Which of the collection in GridFS stores the binary chunks?

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Q. ___________ is the _id is of the data type chosen for the original document in files collections.

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Q. Which of the following checks and repairs errors and inconsistencies in data storage?

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Q. The files_id field contains the _id of the chunk’s __________ document.

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Q. Which of the following field allows efficient retrieval of chunks?

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Q. Which of the following relationship uses references to describe documents between connected data?

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Q. Point out the correct statement.

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Q. Which of the following is used to avoid the repetition of data in MongoDB schema?

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Q. Point out the wrong statement.

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Q. __________ define what records to select for read, update, and delete operations.

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Q. The ___________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation.

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Q. Which of the following statement is incorrect about documents in MongoDB?

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Q. The ________ References pattern stores each tree node in a document; in addition to the tree node, the document stores the id of the node’s parent.

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Q. Point out the correct statement.

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Q. The ________ Links pattern provides a simple solution to tree storage but requires multiple queries to retrieve subtrees.

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Q. The _________ References pattern stores each tree node in array the id(s) of the node’s children.

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Q. Point out the wrong statement.

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