PEAT User Interface & Accessibility 2

Question 1

Which ARIA role should be used to identify a region of a page that contains navigation links?

Accepted Answer

role="navigation"

Answer

The ARIA role 'navigation' (or the HTML5 <nav> element) identifies a region containing navigation links for screen readers.

Question 2

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

Accepted Answer

4.5:1

Answer

WCAG 2.1 Level AA requires a contrast ratio of at least 4.5:1 for normal text (under 18pt or 14pt bold).

Question 3

Which keyboard shortcut is standardized by WCAG for users to skip repetitive navigation links?

Accepted Answer

There is no standardized shortcut; a skip link must be provided

Answer

WCAG requires a 'Skip Navigation' link (visible or focusable) rather than mandating a specific keyboard shortcut.

Question 4

In the PEAT tool evaluation framework, which UI issue most directly triggers the 'Seizure Risk' flag?

Accepted Answer

Content that flashes more than 3 times per second

Answer

WCAG Success Criterion 2.3.1 flags content that flashes more than three times per second as a seizure risk.

Question 5

What does the 'alt' attribute provide for an image that is purely decorative?

Accepted Answer

An empty string (alt="") so assistive technologies skip it

Answer

An empty alt attribute (alt="") instructs screen readers to ignore the image, preventing irrelevant announcements.

(PEAT) Practice Exam & Assessment Tool Practice Test