CPACC Web Content Accessibility Guidelines 4 — Questions and Answers
Question 1: Under WCAG 2.1, which Success Criterion specifically addresses the needs of users with low vision who need to resize text without assistive technology?
- 1.4.4 Resize Text (Correct answer)
- 1.4.3 Contrast (Minimum)
- 1.4.10 Reflow
- 1.4.12 Text Spacing
Correct answer: 1.4.4 Resize Text
SC 1.4.4 Resize Text (Level AA) requires text to be resizable up to 200% without loss of content or functionality.
Question 2: Which WCAG 2.1 Success Criterion added at Level AA requires that content does not restrict its view and operation to a single display orientation?
- 1.3.4 Orientation (Correct answer)
- 1.4.10 Reflow
- 2.5.3 Label in Name
- 1.3.5 Identify Input Purpose
Correct answer: 1.3.4 Orientation
SC 1.3.4 Orientation, new in WCAG 2.1, requires content to work in both portrait and landscape orientations unless a specific orientation is essential.
Question 3: A webpage uses color alone to show which form fields are required. Which WCAG principle does this primarily violate?
- Perceivable (Correct answer)
- Operable
- Understandable
- Robust
Correct answer: Perceivable
Using color alone to convey information violates SC 1.4.1 (Use of Color) under the Perceivable principle.
Question 4: What is the WCAG 2.1 Level AA minimum contrast ratio requirement for large-scale text?
- 3:1 (Correct answer)
- 4.5:1
- 7:1
- 2:1
Correct answer: 3:1
SC 1.4.3 requires a contrast ratio of at least 3:1 for large-scale text (18pt or 14pt bold and above).
Question 5: Which WCAG Success Criterion requires that web content reflows into a single column when zoomed to 400%, without requiring horizontal scrolling?
- 1.4.10 Reflow (Correct answer)
- 1.4.4 Resize Text
- 1.4.12 Text Spacing
- 1.3.4 Orientation
Correct answer: 1.4.10 Reflow
SC 1.4.10 Reflow, added in WCAG 2.1 at Level AA, ensures content can reflow to a single column at 320 CSS pixels wide without losing content or functionality.
Question 6: The WCAG principle 'Understandable' includes which of the following Success Criteria?
- 3.2.2 On Input (Correct answer)
- 2.1.1 Keyboard
- 1.4.1 Use of Color
- 4.1.2 Name, Role, Value
Correct answer: 3.2.2 On Input
SC 3.2.2 On Input is under guideline 3.2 (Predictable), which belongs to the Understandable principle.
Question 7: Which WCAG 2.1 Success Criterion requires that the visible label of a user interface component is contained within its accessible name?
- 2.5.3 Label in Name (Correct answer)
- 1.3.5 Identify Input Purpose
- 4.1.2 Name, Role, Value
- 3.3.2 Labels or Instructions
Correct answer: 2.5.3 Label in Name
SC 2.5.3 Label in Name ensures speech input users can activate controls by speaking the visible label text.
CPACC Web Content Accessibility Guidelines 4
Under WCAG 2.1, which Success Criterion specifically addresses the needs of users with low vision who need to resize text without assistive technology?