Complex Json Test - 45+ MCQs: JSON test: Evaluate Your Knowledge with JSON Questions and Answers

1. Which method is used to check if a key exists in a JSON object in JavaScript?

keyExists()

JSON.containsKey()

Object.hasOwnProperty()

json.isKeyPresent()

2. What does the JSON Patch format enable?

To apply partial modifications to a JSON document

To create new JSON documents

To encrypt JSON data

JSON Patch is not a valid format

3. Which character is used to separate key-value pairs in a JSON object?

, (comma)

. (period)

: (colon)

; (semicolon)

4. What is the purpose of the JSON-RPC protocol?

To request and receive JSON data over a network

To remotely control JSON files

To rotate JSON images

JSON-RPC is not a valid JSON protocol

5. What is the purpose of the JSON Feed format?

To provide a standardized format for syndicating content

To create animated JSON feeds

To compress JSON data for faster transmission

JSON Feed is not a valid format

6. How is an array represented in JSON?

{1, 2, 3}

[1, 2, 3]

(1, 2, 3)

array(1, 2, 3)

7. Which method is used to stringify a JavaScript object into a JSON-formatted string?

JSON.stringify()

JSON.parse()

object.stringify()

stringify.JSON()

8. In JSON, how is an object key represented?

As plain text

Enclosed in single quotes

Enclosed in double quotes

As is, without any special symbols

9. How can you represent a null value in a JSON file?

null

nil

undefined

NaN

10. How is a JSON object different from a JavaScript object?

There is no difference; they are the same

JSON objects have a schema, JavaScript objects do not

JavaScript objects can have functions as values, JSON objects cannot

JSON objects cannot contain arrays, JavaScript objects can

JSON MCQ Test 4