CompTIA A+ Core 1 (220-1101) — Question 146

Which of the following wireless networking protocols will support both 2.4GHz and 5GHz devices?

Answer options

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

Correct answer: B

Explanation

The correct answer is B, 802.11ax, which is designed to operate on both the 2.4GHz and 5GHz bands, enhancing performance and capacity. Options A (802.11ac) primarily operates on 5GHz, while options C (802.11b) and D (802.11g) are limited to the 2.4GHz band.