CompTIA Network+ (N10-007) — Question 439

A wireless technician needs to deploy a single 802.11 standard that supports both 2.4GHz and 5GHz frequencies with up to 40MHz channel widths. Which of the following wireless standards should the technician configure?

Answer options

• A. ac
• B. b
• C. g
• D. n

Correct answer: D

Explanation

The correct answer is D, 802.11n, as it supports both 2.4GHz and 5GHz frequencies with channel widths of up to 40MHz. Options A (802.11ac) primarily operates on the 5GHz band, while options B (802.11b) and C (802.11g) are limited to the 2.4GHz band only.