JSON and XML MCQs With Answers

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JSON and XML Online Quiz

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• Test Name: JSON and XML MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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JSON and XML

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1 / 40

JSON is often used for ____ between servers and web applications.

Presentation

Styling

Data exchange (correct)

2 / 40

Which of the following is a valid data type in JSON?

boolean (correct)

date

function

3 / 40

Which of the following is NOT a characteristic of XML?

Extensible

Human-readable

Lightweight (correct)

4 / 40

JSON objects are enclosed in ____.

Curly braces (correct)

Square brackets

Parentheses

5 / 40

What is the file extension commonly used for JSON files?

.json (correct)

.js

.xml

6 / 40

JSON allows the use of ____ to separate key-value pairs.

Commas (correct)

Colons

Semicolons

7 / 40

JSON arrays can contain ____ as elements.

Any valid JSON value (correct)

Only strings

Only numbers

8 / 40

What does JSON stand for?

JavaScript Object Notation (correct)

JSON Object

JavaScript Object

9 / 40

What is the default encoding for XML documents?

ASCII

Unicode

UTF-8 (correct)

10 / 40

What is used in JSON to denote a string value?

Single quotes

Double quotes (correct)

Backticks

11 / 40

In XML, what is used to denote the end of a tag?

Opening tag

Slash

Closing tag (correct)

12 / 40

XML namespaces are used to ____ conflicts in element names.

Resolve

Introduce

Avoid (correct)

13 / 40

Which of the following is a characteristic of JSON?

Easy to parse (correct)

Verbosity

Procedural

14 / 40

JSON supports ____ data types.

Primitive (correct)

Composite

Complex

15 / 40

XML stands for Extensible ____ Markup Language.

Meta

Markup (correct)

Media

16 / 40

What is the primary purpose of JSON?

Data interchange (correct)

Validation

Styling

17 / 40

XML is widely used in ____ data storage.

Hierarchical (correct)

Flat

Relational

18 / 40

XML elements are defined by ____.

Tags (correct)

Delimiters

Brackets

19 / 40

What is used in JSON to separate key-value pairs?

Semicolon

Colon (correct)

Period

20 / 40

JSON is more suitable for ____ data structures.

Flat

Complex (correct)

Hierarchical

21 / 40

In XML, what is used to define comments?

/* Comment

// Comment

<!-- Comment --> (correct)

22 / 40

In JSON, what is used to separate elements in an array?

Semicolon

Period

Comma (correct)

23 / 40

XML uses a ____ syntax to describe data.

Network

Hierarchical (correct)

Linear

24 / 40

Which format is more human-readable without additional parsing?

Both are equal

JSON (correct)

XML

25 / 40

Which format is generally more compact in terms of data size?

JSON (correct)

XML

Both are equal

26 / 40

What is used in JSON to represent arrays?

Curly brackets

Angle brackets

Square brackets (correct)

27 / 40

Which data interchange format is more verbose?

XML

Both are equal

JSON (correct)

28 / 40

In XML, what is used to define a document's structure?

Parentheses

Brackets

Tags (correct)

29 / 40

In XML, what is used to define elements within other elements?

Embedding

Nesting (correct)

Wrapping

30 / 40

What type of data structure does XML primarily represent?

Tree (correct)

List

Object

31 / 40

What type of data structure does JSON primarily represent?

Object (correct)

Tree

List

32 / 40

What does the acronym XML stand for?

Extensible Markup Language (correct)

Expressive Markup

Extended Markup

33 / 40

Which of the following is a characteristic of JSON?

Lightweight (correct)

Deprecated

Complex

34 / 40

XML elements can have ____ attributes.

Optional (correct)

Mandatory

Conditional

35 / 40

In XML, what is used to specify a document's version?

<?xml version="1.0"?> (correct)

<!DOCTYPE>

<?DOCTYPE>

36 / 40

In XML, what is used to specify attributes of elements?

Properties

Attributes (correct)

Methods

37 / 40

Which of the following is a characteristic of XML?

Scripting language

Programming language

Markup language (correct)

38 / 40

Which of the following is true about JSON syntax?

More verbose

Less verbose (correct)

Equal verbosity

39 / 40

What does the root element in an XML document represent?

Primary element

Starting point

Overall container (correct)

40 / 40

Which format is more commonly used for configuration files?

JSON

XML (correct)

YAML

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