Web Programming Web Accessibility and ARIA 2

Question 1

Which keyboard key is the standard for activating a button or link that has keyboard focus?

Accepted Answer

Enter

Answer

The Enter key activates focused links and buttons, and Space also activates buttons, making keyboard navigation possible without a mouse.

Question 2

What is the purpose of a 'skip navigation' link in web accessibility?

Accepted Answer

To allow keyboard users to bypass repetitive navigation and jump to main content

Answer

A 'skip navigation' link lets keyboard and screen reader users skip over repetitive header/nav content to reach the main content directly, reducing keystrokes.

Question 3

Which ARIA attribute communicates that a section of the page is currently loading or being updated?

Accepted Answer

aria-busy

Answer

`aria-busy="true"` signals to assistive technology that a region is being updated and screen readers should wait before announcing changes.

Question 4

What does the `<label>` element's `for` attribute reference?

Accepted Answer

The id attribute of the associated form control

Answer

The `for` attribute on `<label>` must match the `id` attribute of the associated form control to create a programmatic association for accessibility.

Question 5

Which WCAG success criterion requires that all functionality be available from the keyboard?

Accepted Answer

2.1.1 Keyboard

Answer

WCAG 2.1.1 Keyboard requires that all functionality be operable through a keyboard interface without requiring specific timing for individual keystrokes.

Web Programming Practice Test

Web Programming Practice Test

Web Programming Web Accessibility and ARIA 2