Web Development Fundamentals: Master the Basics of HTML, CSS, and JavaScript

Question 1

In HTML5, which semantic element is used to represent a level 1 heading?

Accepted Answer

<h1>

Answer

<div>

Answer

<p>

Answer

<span>

Question 2

In an HTML document, which element is used to create a hyperlink to another web page?

Accepted Answer

<a>

Answer

<link>

Answer

<href>

Answer

<b>

Question 3

In HTML, which semantic element is used to highlight a section of the document that requires emphasis or attention from the reader?

Accepted Answer

Answer

<main>

Answer

Answer

<div>

Question 4

Which markup language is used to define the structure and content of a web page?

Accepted Answer

Hypertext Markup Language (HTML)

Answer

Cascading Style Sheets (CSS)

Answer

JavaScript (JS)

Answer

Extensible Markup Language (XML)

Question 5

In HTML, which element is used to create a paragraph of text?

Accepted Answer

< p >

Answer

< heading >

Answer

< div >

Answer

< span >

Question 6

What is the core principle that underpins accessible web design?

Accepted Answer

Designing websites for all users, regardless of their abilities or disabilities.

Answer

Using the latest web technologies without considering accessibility.

Answer

Prioritizing aesthetics over accessibility.

Answer

Limiting multimedia and interactive elements for accessibility.

Question 7

What is the primary distinction between HTTP and HTTPS?

Accepted Answer

HTTPS encrypts data, unlike HTTP.

Answer

HTTPS utilizes TCP, while HTTP employs UDP.

Answer

HTTPS is faster than HTTP.

Answer

HTTP is more secure than HTTPS.

Question 8

In HTML, which element is used to create a subheading of level 2 on a web page?

Accepted Answer

<h3>

Answer

<p>

Answer

<div>

Answer

<span>

Question 9

Which of the following is not considered a core technology for web development?

Accepted Answer

PHP

Answer

HTML

Answer

CSS

Answer

JavaScript

Question 10

In JavaScript, how do you add a CSS class to an HTML element using the classList property?

Accepted Answer

document.querySelector('element').classList.add('className');

Answer

getElementByClass('element').classList.add('className');

Answer

document.getElementById('element').classList.toggle('className');

Answer

element.className = 'className';

Question 11

In HTML, how do you define a heading of level 2?

Accepted Answer

<h2>Heading</h2>

Answer

<a>Heading</a>

Answer

<h1>Heading</h1>

Answer

<h6>Heading</h6>

Question 12

In web development, which principle is crucial for user interface design?

Accepted Answer

Creating interfaces that are visually appealing and easy to navigate

Answer

Prioritizing aesthetics over functionality

Answer

Using the latest design trends without considering accessibility

Answer

Designing interfaces that are only compatible with specific devices or browsers

Question 13

What is the consequence of using an invalid HTML element like <xyz> in your code?

Accepted Answer

The webpage will not display correctly.

Answer

The webpage will not load at all.

Answer

The webpage will display correctly, but it will not be accessible.

Answer

The webpage will display correctly, but it will not be interactive.

Question 14

Which CSS selector correctly targets both elements with the class name "container" and their descendant elements with the class name "element"?

Accepted Answer

.container .element

Answer

.container > .element

Answer

*container .element

Answer

.container.element

Question 15

Which CSS selector targets all HTML elements with the class 'container'?

Accepted Answer

.container

Answer

#container

Answer

*container

Answer

container

Question 16

When developing a website, which of the following is NOT a suitable option for server-side programming?

Accepted Answer

HTML

Answer

Python

Answer

Java

Question 17

Which HTML element is used to group content that has only structural meaning, not semantic meaning?

Accepted Answer

<div>

Answer

Answer

Answer

Question 18

In CSS, which selector would you use to select all paragraph elements on a web page?

Accepted Answer

p

Answer

.paragraph

Answer

#main

Answer

div p

Question 19

In HTML5, which element is specifically designed to represent a standalone, self-contained piece of content?

Accepted Answer

Answer

<ol>

Answer

<dl>

Answer

Question 20

Which of the following is a key advantage of using a CSS preprocessor?

Accepted Answer

Reduces code duplication and improves maintainability

Answer

Enhances browser compatibility

Answer

Increases page load times

Answer

Provides enhanced security features

Question 21

In HTML, which tag is used to create a line break, allowing text to continue on the next line?

Accepted Answer

<br>

Answer

<hr>

Answer

<p>

Question 22

In HTML, which element is used to create a drop-down list of options for user selection?

Accepted Answer

Answer

Answer

Answer

<list>

Question 23

In HTML, which element is used to group related content?

Accepted Answer

Answer

Answer

<span>

Answer

Question 24

In HTML5, which attribute is essential for defining the display dimensions of a video element?

Accepted Answer

height

Answer

autoplay

Answer

controls

Answer

duration

Question 25

In JavaScript, which method is used to add an event listener to an HTML element?

Accepted Answer

addEventListener

Answer

attachEvent

Answer

attachEventListener

Answer

addEvent

Question 26

Which of the following is essential for ensuring web accessibility?

Accepted Answer

Providing descriptive alt tags for images

Answer

Using a visually complex color scheme

Answer

Omitting headings and subheadings

Answer

Using small font sizes to conserve space

Question 27

In CSS, which property controls an element's border color?

Accepted Answer

border-color

Answer

color

Answer

background-color

Answer

text-color

Question 28

Which of the following is NOT a malicious web security threat?

Accepted Answer

Load Testing

Answer

Malware

Answer

DoS Attack

Answer

Man-in-the-middle Attack

Question 29

When designing a website for individuals with cognitive and learning disabilities, which element should be given top priority?

Accepted Answer

Utilizing straightforward and clear language

Answer

Incorporating sentences with intricate structures

Answer

Avoiding the use of headings and subheadings

Answer

Restricting the use of visual elements

Question 30

Which HTML element is invalid?

Accepted Answer

<xyz>

Answer

<h6>

Answer

<br>

Answer

<meta>

Question 31

When designing a user-centric website interface, which of the following user interface design principles should take precedence?

Accepted Answer

Efficiency

Answer

Aesthetics

Answer

Creativity

Answer

Innovation

Question 32

In HTML, which element marks the beginning of a table?

Accepted Answer

<table>

Answer

<head>

Answer

<tr>

Answer

<td>

Question 33

In CSS, which property is used to define the width of an element?

Accepted Answer

Width

Answer

Padding

Answer

Height

Answer

Margin

Question 34

In JavaScript, what is the primary function of the "parseInt()" method?

Accepted Answer

Converts a string representation of a number to an integer, considering only the initial digits

Answer

Converts a string representation of a number to a floating-point number

Answer

Converts a number to a string

Answer

Converts a string representation of a number to an integer, including any non-numeric characters

Question 35

In web development, what's the main reason for using security measures, especially to stop attacks on user data and the website's integrity?

Accepted Answer

To keep user data and the website safe from unauthorized access and attacks.

Answer

To make the website faster and run better.

Answer

To make it easier for users to get around and use the website.

Question 36

In high-traffic web environments, which server architecture is commonly used to distribute content and services across multiple servers for enhanced performance and reliability?

Accepted Answer

Clustered Server Architecture

Answer

Single-Server Architecture

Answer

Peer-to-Peer Architecture

Question 37

Which of these security measures is commonly used to protect websites from unauthorized access, data theft, and malicious attacks?

Accepted Answer

Firewalls

Answer

Load Balancing

Answer

Responsive Design

Question 38

In JavaScript, what is the primary purpose of the "indexOf()" method when dealing with strings?

Accepted Answer

Finding the starting position of a given substring within a string.

Answer

Combining two strings into a single, merged string.

Answer

Changing the case of a string's characters to uppercase or lowercase.

Question 39

In web accessibility, what's the main purpose of using semantic HTML elements?

Accepted Answer

To help assistive technologies understand the content and structure of a web page

Answer

To make a web page look more visually appealing

Answer

To make a website load faster

Answer

To make a website look the same in all web browsers

Question 40

Which attribute of the <html> tag specifies the language used on the web page?

Accepted Answer

lang

Answer

src

Answer

href

Question 41

In web development, which principle focuses on creating user interfaces that are easy to use and understand, putting the user's experience first?

Accepted Answer

User-Centered Design

Answer

Visual Appeal

Answer

Technical Performance

Question 42

In CSS, which property controls the transparency of an element?

Accepted Answer

Opacity

Answer

Visibility

Answer

Background color

Answer

Filter

Question 43

In HTML5, which semantic element is specifically designed to represent a self-contained, independent section of a document?

Accepted Answer

Answer

<div>

Answer

Answer

Question 44

Which of the following accurately describes the role of web developers in adhering to legal and regulatory requirements?

Accepted Answer

Web developers must be familiar with legal and regulatory aspects to ensure website compliance with applicable laws and ethical standards.

Answer

Web developers are not responsible for ensuring compliance with copyright laws, privacy regulations, or accessibility guidelines.

Answer

Compliance with accessibility guidelines is optional and not a legal requirement.

Answer

Copyright laws only apply to commercial websites and not to personal or non-profit websites.

Question 45

How do emerging web development trends, including AI, ML, and PWAs, influence the future of web design and development?

Accepted Answer

Emerging trends will drive innovation and progress in web design and development, creating new possibilities and enhancing user experiences.

Answer

Emerging trends will make web design more complex, limiting accessibility for non-programmers.

Answer

Emerging trends will make web development unnecessary as AI and ML can automate most tasks.

Answer

Emerging trends primarily impact the back-end of web development, with little effect on user-facing design.

Question 46

How do user-centered design principles contribute to improving user satisfaction and interactivity in web development?

Accepted Answer

They enhance functionality and meet specific user needs.

Answer

They make websites visually appealing and trendy.

Answer

They are only relevant for e-commerce websites.

Question 47

In web development, which practice is essential for thorough and comprehensive application testing?

Accepted Answer

Automating regression, performance, and integration tests

Answer

Prioritizing testing of critical functionalities only

Answer

Using only manual testing methods

Answer

Limiting testing to a single framework

Question 48

In web development, which ethical consideration should be paramount?

Accepted Answer

Protecting user privacy, safeguarding data, and adhering to regulations

Answer

Enhancing user engagement through captivating designs

Answer

Following design principles and trends for visually appealing websites

Question 49

To improve web accessibility, which technique is commonly employed?

Accepted Answer

Utilizing ARIA (Accessible Rich Internet Applications) attributes

Answer

Designing web pages solely with background images

Question 50

Define responsive web design and explain the techniques used to create websites that adapt to different screen sizes.

Accepted Answer

Using flexible layouts and media queries to adjust content and layout based on screen size

Answer

Creating multiple website versions for different screen sizes

Answer

Requiring specific programming languages and frameworks

Answer

Working only on mobile devices

Question 51

In HTML, which element is specifically designed to define the main navigation structure of a web page?

Accepted Answer

<nav>

Answer

Answer

Answer

<ul>

Question 52

In web development, how do event listeners and event handlers work together to improve user interaction?

Accepted Answer

Event listeners monitor for events and trigger event handlers when they occur. Event handlers contain the actions to be performed.

Answer

Event handlers initiate execution and trigger event listeners to register additional events for the same element.

Answer

Event listeners and event handlers are interchangeable and can be used equally to manage user interaction.

Answer

Event listeners are exclusive to mouse events, while event handlers can address all forms of user interactions.

Question 53

In HTML, which tag is essential for defining the structure of a document?

Accepted Answer

<head>

Answer

<h1>

Answer

<p>

Answer

<div>

Question 54

What is the primary role of CSS in web development?

Accepted Answer

To style the appearance of a web page

Answer

To structure the content of a web page

Answer

To add interactivity to a web page

Answer

To handle data on a web page

Question 55

Which CSS property is used to control the color of text?

Accepted Answer

color

Answer

text-color

Answer

font-color

Question 56

Which JavaScript data type is used to represent true or false values?

Accepted Answer

Boolean

Answer

Number

Answer

String

Answer

Array

Question 57

What is the primary function of an event listener in JavaScript?

Accepted Answer

To respond to user actions on a web page

Answer

To perform calculations based on user input

Answer

To validate form data

Answer

To store user preferences

Question 58

Which practice is NOT recommended when writing HTML code?

Accepted Answer

Deeply nesting elements

Answer

Using appropriate semantic elements

Answer

Closing all tags properly

Answer

Indenting code for readability

Question 59

How can artificial intelligence (AI) be used in web development? Discuss its potential applications in automating tasks, personalizing user experiences, and enhancing security.

Accepted Answer

AI can automate repetitive tasks like image optimization and code generation, freeing up developers for more creative work.

Accepted Answer

AI can analyze user behavior and preferences to personalize website content and recommendations, boosting engagement and conversions.

Accepted Answer

AI can detect and fix security vulnerabilities in web applications, protecting websites from malicious attacks.

Answer

AI will eventually replace human web developers, automating the entire web development process.

Question 60

Question: How do UX design principles contribute to the effectiveness of websites?

Accepted Answer

Ensuring consistency and ease of navigation throughout the website

Answer

Prioritizing visual appeal over user-friendliness

Answer

Collecting user feedback after the website is live

Answer

Using technical jargon to convey information

Question 61

Identify and explain the various types of web hosting services. Discuss the essential factors to consider when selecting a hosting provider.

Accepted Answer

Shared hosting, VPS hosting, dedicated hosting, cloud hosting

Answer

FTP hosting, SFTP hosting, HTTP hosting, HTTPS hosting

Answer

Static hosting, dynamic hosting, responsive hosting, database hosting

Answer

Local hosting, remote hosting, cloud hosting, mobile hosting

Question 62

In CSS, which display type allows an element to stretch across the full width of its container while allowing text to flow around it?

Accepted Answer

Inline-block

Answer

Inline

Answer

Block

Answer

Flex

Question 63

Which of these is NOT a standard HTML element?

Accepted Answer

<my-custom-element>

Answer

<p>

Answer

Answer

<a>

Question 64

Which HTML element is specifically designed to define the title of a web page?

Accepted Answer

<title>

Answer

<head>

Answer

<body>

Answer