CompTIA Network+ (N10-006) — Question 12

A network administrator wants to deploy a wireless network in a location that has too much RF interference at 2.4 GHz.
Which of the following standards requires the use of 5 GHz band wireless transmissions? (Select TWO)

Answer options

• A. 802.11a
• B. 802.11ac
• C. 802.11b
• D. 802.11g
• E. 802.11n AB

Correct answer:

Explanation

The correct answers are 802.11a and 802.11ac, both of which exclusively operate in the 5 GHz frequency band. In contrast, 802.11b and 802.11g operate solely at 2.4 GHz, while 802.11n can operate at both frequencies but is not limited to 5 GHz.