MongoDB MCQ Questions - Collection

This section focuses on "Collection" in MongoDB. These Multiple Choice Questions (MCQs) should be practiced to improve the MongoDB skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. A __________ is a grouping of MongoDB documents.

A. database
B. node
C. collection
D. table

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2. What is true about collection?

A. Documents within a collection can have different fields. 
B. A collection is the equivalent of a table in a relational database system.
C. A collection exists within a single database.
D. All of the above

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3. MongoDB ____________ is used to create collection.

A. db.insertCollection(name, options)
B. db.createCollection(name, options)
C. db.useCollection(name, options)
D. db.Collection(name, options)

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4. How many options parameter there during create collection?

A. 1
B. 2
C. 3
D. 4

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5. MongoDB ___________ is used to drop a collection from the database.

A. db.dropCollection()
B. db.collection.delete()
C. db.collection.drop()
D. db.deleteCollection()

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6. drop() method will return _____, if the selected collection is dropped successfully, otherwise it will return ___________.

A. true, true
B. false, false
C. true, false
D. false, true

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7. Type of parameter Name is?

A. String
B. Integer
C. Boolean
D. Array

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8. Type of optional field capped is?

A. String
B. Document
C. Number
D. Boolean

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9. Default value of autoIndexId is?

C. Can be true or false
D. Can not say

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10. Size specifies a maximum size in bytes for a capped collection.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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