CompTIA A+ Core 1 (220-1201) — Question 34

Which of the following resolutions is commonly known as Ultra HD?

Answer options

• A. 1920x1080
• B. 2048x1080
• C. 3840x2160
• D. 7680x4320

Correct answer: C

Explanation

The correct answer is C, 3840x2160, which is the standard resolution for Ultra HD, also known as 4K. Options A and B represent lower resolutions, Full HD and 2K respectively, while D represents 8K, which is a higher resolution than Ultra HD.