CompTIA A+ Core 1 (220-1001) — Question 51

Which of the following wireless standards is only capable of 5GHz frequencies?

Answer options

• A. 802.11a
• B. 802.11ac
• C. 802.11b
• D. 802.11g

Correct answer: A

Explanation

The correct answer is A, 802.11a, as it is designed to operate solely on the 5GHz band. In contrast, 802.11b and 802.11g operate on the 2.4GHz band, while 802.11ac can operate on both the 2.4GHz and 5GHz bands, but it also includes options beyond just 5GHz.