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Welcome to the MongoDb Datatypes MCQs Page

Dive deep into the fascinating world of MongoDb Datatypes with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of MongoDb Datatypes, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of MongoDb Datatypes, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within MongoDB.

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Check out the MCQs below to embark on an enriching journey through MongoDb Datatypes. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MongoDB.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of MongoDb Datatypes. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

MongoDb Datatypes MCQs | Page 3 of 4

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Q21.
To ensure functioning replication, do not store values that are of the _______ regular expression type in the _id field.

a.

JSON

b.

XML

c.

JScript

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q22.
The ______ field is always the first field in the document.

a.

_id

b.

id

c.

Ob_id

d.

None of the mentioned

Discuss
Answer: (a)._id
Q23.
__________ returns the JavaScript representation in the form of a string literal.

a.

toStringJava()

b.

toString()

c.

String()

d.

none of the mentioned

Discuss
Answer: (b).toString()
Q24.
Which of the following query is used to generate a new ObjectId, use the ObjectId() constructor with no argument?

a.

x = ObjectIdAdd()

b.

x = addObjectId()

c.

x = ObjectId()

d.

none of the mentioned

Discuss
Answer: (c).x = ObjectId()
Q25.
The __________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation.

a.

mongod

b.

mongo

c.

iscript

d.

none of the mentioned

Discuss
Answer: (b).mongo
Q26.
Point out the correct statement.

a.

MongoDB stores chunks on disk in the XML serialization format

b.

MongoDB stores documents on disk in the BSON serialization format

c.

MongoDB stores documents on RAM in the JSON serialization format

d.

All of the mentioned

Discuss
Answer: (a).MongoDB stores chunks on disk in the XML serialization format
Q27.
BSON is a binary representation of ________ documents.

a.

JSON

b.

XML

c.

JScript

d.

All of the mentioned

Discuss
Answer: (a).JSON
Q28.
MongoDB documents are composed of field-and-value pairs and have the following structure?

a.

field1:; value1

b.

field1: value1;

c.

field1: value1

d.

none of the mentioned

Discuss
Answer: (c).field1: value1
Q29.
Point out the wrong statement.

a.

Some documents created by internal MongoDB processes may have duplicate fields

b.

no MongoDB process will ever add duplicate fields to an existing user document

c.

The maximum BSON document size is 16 megabytes

d.

None of the mentioned

Discuss
Answer: (c).The maximum BSON document size is 16 megabytes
Q30.
To store documents larger than the maximum size, MongoDB provides the _______ API.

a.

Grid

b.

MMS

c.

GridFS

d.

None of the mentioned

Discuss
Answer: (c).GridFS
Page 3 of 4

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