Huawei Certified ICT Associate – Data Center Network (HCIA-DCN) — Question 3

IEEE 802.11ac supports only the 5 GHz frequency band.

Answer options

• A. True
• B. False

Correct answer: A

Explanation

The correct answer is A because IEEE 802.11ac is designed to function solely within the 5 GHz band, which allows for higher data rates and reduced interference compared to the 2.4 GHz band. Option B is incorrect since 802.11ac does not support the 2.4 GHz frequency at all.