Web Programming Web Accessibility and ARIA

Question 1

What does ARIA stand for in the context of web accessibility?

Accepted Answer

Accessible Rich Internet Applications

Answer

ARIA stands for Accessible Rich Internet Applications, a set of attributes that define ways to make web content more accessible to people with disabilities.

Question 2

Which HTML attribute is used to provide a text alternative for an image for screen readers?

Accepted Answer

alt

Answer

The `alt` attribute on an `<img>` element provides a text alternative that screen readers announce when the image cannot be seen.

Question 3

What is the correct WCAG principle that requires content to be understandable to users?

Accepted Answer

Understandable

Answer

The WCAG 'Understandable' principle requires that information and the operation of the user interface must be understandable.

Question 4

Which ARIA role should be applied to a navigation landmark element that doesn't use the native <nav> tag?

Accepted Answer

role="navigation"

Answer

`role="navigation"` designates a landmark region containing navigational links, equivalent to the native `<nav>` element.

Question 5

What minimum color contrast ratio does WCAG 2.1 AA require for normal body text?

Accepted Answer

4.5:1

Answer

WCAG 2.1 Level AA requires a contrast ratio of at least 4.5:1 for normal text to ensure it is readable by users with low vision.

Web Programming Practice Test

Web Programming Practice Test

Web Programming Web Accessibility and ARIA