JNCIA-DC: Juniper Networks Certified Associate – Data Center — Question 11

Which two 802.11 amendments operate within the 2.4 GHz band? (Choose two.)

Answer options

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

Correct answer: B, D

Explanation

The correct answers are B and D. 802.11b operates in the 2.4 GHz band, and 802.11ac operates primarily in the 5 GHz band, but it can utilize some channels in the 2.4 GHz spectrum. In contrast, 802.11a operates exclusively in the 5 GHz band, and 802.11ax can operate in both 2.4 GHz and 5 GHz, but it is primarily associated with the 5 GHz band.