Mongoose CRUD and Validation MCQ , Mongoose Operations Practice Questions

Direction: Choose the correct option

How do you create and save a new document using a Mongoose model?

A. `Model.insert(data)`

B. Both A and C

C. `new Model(data).save()`

D. `Model.create(data)`

Direction: Choose the correct option

Which method finds documents in Mongoose?

A. `Model.where()`

B. `All of the above`

C. `Model.select()`

D. `Model.find()`

Direction: Choose the correct option

How do you update a document in Mongoose?

A. `Model.findByIdAndUpdate()`

B. `Model.update()`

C. `All of the above`

D. `Model.updateOne()`

Direction: Choose the correct option

What is validation in Mongoose?

A. Indexing data

B. Checking if data meets defined criteria before saving

C. Encrypting data

D. Compressing data

Direction: Choose the correct option

How do you define a required field in a Mongoose schema?

A. { name: String, required: true }

B. { name: { type: String, isRequired: true } }

C. { name: { type: String, required: true } }

D. { name: { type: String, mandatory: true } }

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