Master Web Development Technologies: HTML, CSS, JavaScript, and Web Servers

Question 1

Which HTML element defines the title of a web page?

Accepted Answer

<title>

Answer

<h1>

Answer

<h2>

Answer

Question 2

Which JavaScript event triggers when the user clicks on an element?

Accepted Answer

onclick

Answer

onload

Answer

onhover

Answer

onfocus

Question 3

Which HTML element creates a hyperlink?

Accepted Answer

<a>

Answer

<link>

Answer

<href>

Answer

<link>

Question 4

What is the goal of the CSS `flexbox` layout model?

Accepted Answer

To create flexible and responsive layouts

Answer

To align elements vertically

Answer

To position elements absolutely

Answer

To define the size and shape of elements

Question 5

Which open-source web server software is known for its performance?

Accepted Answer

Nginx

Answer

Apache

Answer

IIS

Answer

Tomcat

Question 6

What is the primary benefit of using CSS preprocessors?

Accepted Answer

Making CSS code more concise and maintainable

Answer

Extending CSS functionality with new features

Answer

Improving the performance of web pages

Answer

Converting CSS code into JavaScript

Question 7

Which technology is NOT essential for web development?

Accepted Answer

Python

Answer

HTML

Answer

CSS

Answer

JavaScript

Question 8

In HTML, what element is used to create a primary heading?

Accepted Answer

<h1>

Answer

<head>

Answer

Answer

<title>

Question 9

What is the primary function of CSS?

Accepted Answer

To add visual styling and layout to a web page

Answer

To define the structure of a web page

Answer

To create interactive web elements

Answer

To store and manage website data

Question 10

In JavaScript, what event listener is used to detect a mouse click on an HTML element?

Accepted Answer

onclick

Answer

onload

Answer

onmouseover

Answer

onchange

Question 11

What is the primary purpose of the HTTP protocol?

Accepted Answer

To transmit data between a client and a server

Answer

To secure web communications

Answer

To create interactive web experiences

Answer

To parse HTML code

Question 12

How do web applications differ from websites?

Accepted Answer

Web applications are interactive, while websites are static

Answer

Websites are interactive, while web applications are static

Answer

Web applications are used for business, while websites are personal

Answer

There is no difference between web applications and websites

Question 13

What is the primary benefit of a content delivery network (CDN)?

Accepted Answer

Improved website performance by caching content closer to users

Answer

Enhanced website security

Answer

Creation of interactive web pages

Answer

Parsing of HTML code

Question 14

In HTML, which tag is used to create a hyperlink?

Accepted Answer

The <a> tag

Answer

The <link> tag

Answer

The <url> tag

Question 15

What is the primary purpose of the 'position' property in CSS?

Accepted Answer

To position elements relative to their parent container

Answer

To align elements horizontally

Answer

To adjust the size of elements

Question 16

What is the primary function of a web server in web development?

Accepted Answer

To process requests from clients and deliver responses

Answer

To store website files

Answer

To generate dynamic web pages

Question 17

Which of the following elements in HTML5 is considered a semantic element?

Accepted Answer

Answer

<p>

Answer

<div>

Question 18

What is the key difference between HTTP and HTTPS protocols?

Accepted Answer

HTTPS encrypts data while HTTP does not

Answer

HTTPS is faster than HTTP

Answer

HTTPS is only used for secure transactions

Question 19

Which of the following is NOT a common reason to use a database in a web application?

Accepted Answer

Improve website performance

Answer

Store user data

Answer

Track user activity

Answer

Manage content

Question 20

What is the primary purpose of HTML in web development?

Accepted Answer

To define the structure of a web page

Answer

To add style and visual elements to a web page

Answer

To control the behavior and interactivity of a web page

Answer

To store and manage content on a web server

Question 21

Which CSS property is used to set the background color of an HTML element?

Accepted Answer

background-color

Answer

color

Answer

background

Answer

bgcolor

Question 22

Which JavaScript data type is used to store a collection of data that can be accessed using an index?

Accepted Answer

Array

Answer

String

Answer

Number

Answer

Object

Question 23

What is the primary function of a web server in the context of web development?

Accepted Answer

To store and deliver web pages to users' browsers

Answer

To process user input and generate dynamic content

Answer

To provide security and authentication for web applications

Answer

To manage and organize website files

Question 24

What is the main distinction between a GET request and a POST request in HTTP?

Accepted Answer

GET requests are used to retrieve data, while POST requests are used to send data.

Answer

POST requests are used to retrieve data, while GET requests are used to send data.

Answer

GET requests are used for secure data transfer, while POST requests are not.

Answer

POST requests are used for secure data transfer, while GET requests are not.

Question 25

What's the main purpose of prioritizing web accessibility?

Accepted Answer

Adhering to legal requirements and ethical standards

Answer

Enhancing the visual appeal of web pages

Answer

Improving website rankings in search results

Answer

Minimizing website maintenance and development time

Question 26

What is the primary purpose of HTML?

Accepted Answer

To define the structure and content of a web page

Answer

To style and present the content of a web page

Answer

To add interactive elements to a web page

Answer

To manage the server-side functionality of a web application

Question 27

Which CSS property is used to set the background color of an element?

Accepted Answer

background-color

Answer

fill-color

Answer

bg-color

Answer

color

Question 28

What is the role of JavaScript in web development?

Accepted Answer

To enhance user interaction and add dynamic functionality to web pages

Answer

To define the layout and structure of a web page

Answer

To store and manage user data on the server

Answer

To handle network communication and data exchange

Question 29

What is the primary function of a web server?

Accepted Answer

To host and deliver web pages to clients

Answer

To perform complex calculations and process data

Answer

To provide encryption and security for web applications

Answer

To store user accounts and authentication information

Question 30

What is the key difference between a block and an inline element in HTML?

Accepted Answer

Block elements start on a new line and occupy the full width available, while inline elements flow within the text

Answer

Block elements are used for headings and paragraphs, while inline elements are used for links and images

Answer

Block elements have a fixed height and width, while inline elements do not

Answer

Block elements are positioned absolutely, while inline elements are positioned relatively

Question 31

Which HTML element is used to create a heading?

Accepted Answer

<h1>

Answer

<div>

Answer

<xyz>

Answer

<p>

Question 32

What is the purpose of the CSS property 'display: flex'?

Accepted Answer

To control the layout of elements in a flexible manner

Answer

To set the font size of an element

Answer

To set the background color of an element

Answer

To specify the width of an element

Question 33

Which HTTP status code indicates that the server successfully processed the client's request and the requested resource is included in the response?

Accepted Answer

200 OK

Answer

301 Moved Permanently

Answer

404 Not Found

Answer

500 Internal Server Error

Question 34

What is the main purpose of using CSS media queries?

Accepted Answer

To specify styles for different screen sizes and orientations, allowing for responsive web design.

Answer

To create animations and transitions for visual effects.

Answer

To optimize website performance by reducing loading time and resource usage.

Answer

To control the overall layout and structure of web pages.

Question 35

Which of the following is NOT an advantage of using CSS in web development?

Accepted Answer

Increased maintenance effort

Answer

Improved accessibility for users with visual impairments

Answer

Increased page load speed

Answer

Enhanced user experience through customization

Question 36

Which web analytics tool is widely recognized for its popularity in monitoring website traffic and user behavior?

Accepted Answer

Google Analytics

Answer

Web Developer Toolbar

Answer

Notepad++

Question 37

Which HTML5 element is specifically designated to embed audio files within a web page?

Accepted Answer

<audio>

Answer

<video>

Answer

Answer

<track>

Question 38

Which HTML element is used to define the main content area of a web page?

Accepted Answer

<main>

Answer

Answer

Answer

Question 39

In CSS, which property specifies the spacing between lines of text?

Accepted Answer

line-height

Answer

letter-spacing

Answer

text-spacing

Answer

word-spacing

Question 40

Which JavaScript data structure is used to store an ordered collection of elements that can be accessed using numeric indices?

Accepted Answer

Array

Answer

Map

Answer

Object

Answer

Set

Question 41

What is the primary function of a web server in the context of web development?

Accepted Answer

To process and deliver web pages and resources to clients over the internet.

Answer

To store user data and preferences

Answer

To create and edit web pages

Answer

To provide security for web applications

Question 42

Which HTTP status code indicates that a requested resource could not be found on the server?

Accepted Answer

404

Answer

500

Answer

200

Answer

301

Question 43

In HTTP, what is the key difference between a GET and a POST request?

Accepted Answer

GET requests are used to retrieve data from a server, while POST requests are used to submit data to a server.

Answer

POST requests are used to retrieve data, while GET requests are used to submit data

Answer

GET requests are more secure than POST requests

Question 44

Which popular web development framework is known for its focus on component-based architecture and unidirectional data flow?

Accepted Answer

React

Answer

Angular

Answer

Bootstrap

Answer

jQuery

Question 45

What is the main purpose of using a CSS preprocessor in web development?

Accepted Answer

To extend the functionality of CSS by enabling features like variables, mixins, and nested rules.

Answer

To optimize CSS code for faster loading times

Answer

To simplify the process of writing CSS code

Answer

To convert CSS into JavaScript

Question 46

Which JavaScript library is primarily designed for manipulating the Document Object Model (DOM)?

Accepted Answer

jQuery

Answer

moment.js

Answer

React

Answer

lodash

Question 47

When developing accessible web applications, which practice is considered a cornerstone for ensuring that content can be accessed by users with disabilities?

Accepted Answer

Using semantic HTML elements and providing meaningful alternative text for non-text content.

Answer

Avoiding the use of images and videos

Answer

Using only CSS for styling and layout