General WCAG 2.1 Knowledge (Web Content Accessibility Guidelines)

Question 1

What are the WCAG 2 layers of guidance?

Answer 1

Principles, Guidelines, Success Criteria, Sufficient and Advisory Techniques (PGSS)

Question 2

What are the four principles that provide the foundation for Web accessibility?

Answer 2

Perceivable, Operable, Understandable, and Robust (POUR)

Question 3

What is the purpose of guidelines?

Answer 3

The 13 guidelines provide the basic goals that authors should work toward in order to make content more accessible to users with different disabilities.

Question 4

What is the purpose of success criteria?

Answer 4

To allow WCAG 2.1 to be used where requirements and conformance testing are necessary such as in design specification, purchasing, regulation, and contractual agreements. Three levels of conformance are defined: A (lowest), AA, and AAA (highest).

Question 5

What are the two categories of techniques?

Answer 5

Sufficient and advisory

Question 6

What was the goal of creating WCAG 2.1?

Answer 6

To improve accessibility guidance for three major groups: users with cognitive or learning disabilities, users with low vision, and users with disabilities on mobile devices.