CompTIA
N10-005 · Question #306
N10-005 Question #306: Real Exam Question with Answer & Explanation
The correct answer is D: 802.11n. 802.11n is the only listed standard that supports dual-band operation on both 2.4GHz and 5GHz frequencies.
Question
Which of the following can operate on BOTH the 2.4GHz and 5.8GHz frequencies?
Options
- A802.11a
- B802.11b
- C802.11g
- D802.11n
Explanation
802.11n is the only listed standard that supports dual-band operation on both 2.4GHz and 5GHz frequencies.
Common mistakes.
- A. 802.11a operates exclusively on the 5GHz band and cannot use 2.4GHz.
- B. 802.11b operates exclusively on the 2.4GHz band and cannot use 5GHz.
- C. 802.11g operates exclusively on the 2.4GHz band and cannot use 5GHz.
Concept tested. 802.11n dual-band frequency support
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