Questions: Which of the following wireless standards operates either exclusively or optionally in the 5 GHz spectrum? A. A and N B. G and N C. A and B D. A and G

Which of the following wireless standards operates either exclusively or optionally in the 5 GHz spectrum? A. A and N B. G and N C. A and B D. A and G
Transcript text: Which of the following wireless standards operates either exclusively or optionally in the 5 GHz spectrum? A. A and N B. G and N C. A and B D. A and G
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Solution

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The answer is the first one (A): A and N.

Explanation for each option:

A. A and N - Correct. The 802.11a standard operates exclusively in the 5 GHz spectrum, while 802.11n can operate in both the 2.4 GHz and 5 GHz spectrums.

B. G and N - Incorrect. The 802.11g standard operates in the 2.4 GHz spectrum, not the 5 GHz spectrum. 802.11n can operate in both the 2.4 GHz and 5 GHz spectrums.

C. A and B - Incorrect. The 802.11b standard operates in the 2.4 GHz spectrum, not the 5 GHz spectrum. 802.11a operates in the 5 GHz spectrum.

D. A and G - Incorrect. The 802.11g standard operates in the 2.4 GHz spectrum, not the 5 GHz spectrum. 802.11a operates in the 5 GHz spectrum.

In summary, the correct answer is A: A and N, as both of these standards can operate in the 5 GHz spectrum.

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