Read Operations Basics MCQ , MongoDB Find Practice Questions

Direction: Choose the correct option

Which method is used to query documents in a collection?

A. db.collection.search()

B. db.collection.find()

C. db.collection.get()

D. db.collection.query()

Direction: Choose the correct option

What does `db.users.findOne({name: 'Alice'})` return?

A. The count of matching documents

B. An array of all users named Alice

C. The first matching document

D. A cursor to the results

Direction: Choose the correct option

What is returned by `db.users.find({age: 25})`?

A. A document

B. A cursor to the matching documents

C. The first document

D. An array

Direction: Choose the correct option

How do you retrieve all documents from a collection?

A. db.collection.findAll()

B. db.collection.all()

C. db.collection.find('*')

D. db.collection.find({})

Direction: Choose the correct option

What does the `pretty()` method do in the MongoDB shell?

A. Adds colors to the output

B. Formats the output for readability

C. Limits the results

D. Sorts the results

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