Explore topic-wise MCQs in Technical MCQs.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

1.

MongoDB _________ method is used to delete a document from the collection.

A. drop()
B. remove()
C. delete()
D. None of the above
E.
Answer» C. delete()
2.

The update() method updates the values in the existing document.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Answer» B. FALSE
3.

Apart from the find() method, there is findOne() method, that returns only one document.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Answer» B. FALSE
4.

To display the results in a formatted way, you can use _______ method.

A. beautify()
B. simple()
C. pretty()
D. unify()
Answer» D. unify()
5.

find() method will display all the documents in a __________ way.

A. structured
B. non-structured
C. simple
D. complex
Answer» C. simple
6.

To query data from MongoDB collection, you need to use MongoDB ______ method.

A. select()
B. find()
C. show()
D. All of the above
Answer» C. show()
7.

_id is ________ bytes hexadecimal number unique for every document in a collection.

A. 4
B. 8
C. 10
D. 12
Answer» E.
8.

The basic syntax of insert() command is?

A. db.insertCOLLECTION_NAME(document)
B. db.COLLECTION_NAME.insert(document)
C. COLLECTION_NAME.insert(document)
D. db.COLLECTION_NAME.create(document)
Answer» C. COLLECTION_NAME.insert(document)
9.

To insert data into MongoDB collection, you need to use MongoDB's __________ method.

A. save()
B. insert()
C. Both A and B
D. Can not say
Answer» D. Can not say
10.

MongoDB stores data records as ______.

A. ZSON documents.
B. JSON documents
C. BSON documents
D. WSON documents.
Answer» D. WSON documents.