Unit: IV MongoDB and Node.js Quiz
Quiz
•
Information Technology (IT)
•
12th Grade
•
Practice Problem
•
Hard
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does CRUD stand for in the context of database operations?
Create, Retrieve, Update, Delete
Connect, Read, Update, Delete
Connect, Retrieve, Update, Delete
Create, Read, Update, Delete
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to insert a single document into a MongoDB collection?
insertMany()
insertOne()
addDocument()
createDocument()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unique identifier field required in every MongoDB document?
uniqueId
documentId
id
_id
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which MongoDB method is used to retrieve multiple documents from a collection?
findOne()
fetch()
find()
getAll()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the upsert option do in the updateOne() method?
Fetches a document
Deletes a document if it exists
Inserts a document if it does not exist
Updates all documents
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which operator is used to update a field in a MongoDB document?
$set
$update
$add
$modify
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is BSON in MongoDB?
Binary JSON
Binary Object
Basic JSON
Basic Object Notation
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