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

1. Which JSON data type is used to represent a date?

Date

Time

DateTime

JSON does not have a specific date type

2. In JSON, what is the purpose of an array?

To store key-value pairs

To represent a sequence of values

To define object properties

Arrays are not used in JSON

3. What is the purpose of the JSON Hypertext Application Language (HAL) format?

To represent hypermedia controls in JSON data

To create animated JSON hyperlinks

To encrypt JSON data

JSON HAL is not a valid format

4. Which method is used to validate a JSON schema against JSON data in JavaScript?

json.validate()

JSON.verifySchema()

jsonSchema.validate()

AJV (Another JSON Schema Validator)

5. In JSON, how is a string represented?

Enclosed in double quotes

Enclosed in single quotes

No quotes needed

Enclosed in backticks

6. What does the term 'serialization' mean in the context of JSON?

Converting an object to a JSON-formatted string

Converting a JSON string to an object

Creating a new JSON file

Serializing is not applicable in JSON

7. Which data types can be used in JSON?

String, Number, Boolean, Array, Object, Null

Integer, Float, Boolean, List, Dictionary, None

Text, Numeric, TrueFalse, Set, Hash, Undefined

Character, Decimal, True, False, Void, Empty

8. Which RFC defines the JSON format?

RFC 4627

RFC 791

RFC 675

RFC 3339

9. Which of the following is a valid JSON array?

[1, 'apple', true, null]

{1, 'apple', true, null}

(1, 'apple', true, null)

[1; 'apple'; true; null]

10. What is the purpose of the JSON Merge Patch format?

To merge multiple JSON files into one

To represent patches for updating JSON documents

To compress JSON data for faster transmission

JSON Merge Patch is not a valid JSON format

11. Which data type is not supported in JSON?

Number

Boolean

Undefined

Date

12. What is the purpose of the JSON-LD (JSON for Linked Data) format?

To represent JSON data with linked references

To create a JSON-based language definition

To compress JSON data for storage

JSON-LD is not a valid JSON format

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

, (comma)

. (period)

: (colon)

; (semicolon)

14. 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

15. What is the purpose of the JSONP (JSON with Padding) technique?

To add extra padding to JSON data

To enable cross-origin resource sharing (CORS)

To create a JSON playlist

JSONP is not a valid JSON technique

16. How can you include a nested object within a JSON object?

Enclose the nested object in square brackets

Enclose the nested object in curly braces

Use single quotes for the nested object

Nested objects are not allowed in JSON

17. Which symbol is used to separate key and value pairs in a JSON object?

18. What does JSON.parse() do in JavaScript?

Converts a JSON string to an object

Converts an object to a JSON string

Creates a new JSON file

No such function in JavaScript

19. Which symbol is used to denote the start and end of a JSON object?

{}

[]

()

20. In JSON, how is a boolean value 'true' represented?

True

Yes

The letter 'T' in uppercase

JSON MCQ Test 3