Web Development Web Accessibility

Question 1

What does WCAG stand for?

Accepted Answer

Web Content Accessibility Guidelines

Answer

Web Compliance and Governance Charter

Answer

Website Coding Accessibility Guide

Answer

Web Component Authoring Guidelines

Question 2

Which HTML attribute provides alternative text for images, enabling screen readers to describe them?

Accepted Answer

alt

Answer

title

Answer

aria-label

Answer

description

Question 3

What is the minimum color contrast ratio for normal-sized body text to meet WCAG 2.1 Level AA?

Accepted Answer

4.5:1

Answer

3:1

Answer

7:1

Answer

2:1

Question 4

Which semantic HTML element should be used to wrap the primary content of a web page?

Accepted Answer

<main>

Answer

Answer

Answer

<div>

Question 5

What does setting `tabindex="0"` on a non-interactive element achieve?

Accepted Answer

Adds the element to the natural tab order

Answer

Removes the element from tab order

Answer

Makes the element the first tab stop

Answer

Disables focus on the element

Question 6

Which ARIA attribute hides an element and all its children from the accessibility tree?

Accepted Answer

aria-hidden="true"

Answer

role="presentation"

Answer

aria-disabled="true"

Answer

aria-live="off"

Question 7

Which HTML element is the most semantically correct for a site-wide navigation menu?

Accepted Answer

<nav>

Answer

Answer

<menu>

Answer