Which of the following wireless networking protocols supports both 2.4GHz and 5GHz devices?

Rationale

802.11ax supports both 2.4GHz and 5GHz devices.

802.11ax, also known as Wi-Fi 6, is designed to operate on both the 2.4GHz and 5GHz frequency bands, enhancing performance and efficiency in wireless networking. This dual-band capability allows for greater flexibility and improved connectivity for a wide range of devices.

A (802.11ac) YOUR ANSWER

802.11ac primarily operates on the 5GHz band and does not support the 2.4GHz frequency. While it offers faster speeds and better performance than its predecessors, its limitation to the 5GHz band restricts its compatibility with older 2.4GHz devices.

B (802.11ax) CORRECT

This choice is correct as 802.11ax supports both 2.4GHz and 5GHz devices. By utilizing both frequency bands, it improves overall network capacity and efficiency, accommodating a larger number of devices simultaneously.

C (802.11b) YOUR ANSWER

802.11b operates exclusively on the 2.4GHz band. It was one of the earlier wireless standards, providing lower data rates compared to newer protocols and lacking the capabilities to utilize the 5GHz band, thus limiting its performance in crowded environments.

D (802.11g) YOUR ANSWER

802.11g also operates solely on the 2.4GHz band, similar to 802.11b. While it offers higher data rates than 802.11b, it cannot support the 5GHz band, which limits its ability to leverage the benefits of less congested frequencies.

Conclusion

Among the wireless networking protocols listed, 802.11ax stands out as the only standard that supports both 2.4GHz and 5GHz frequencies. This dual-band capability is crucial for modern networking, where a diverse array of devices require reliable connectivity. Other options like 802.11ac, 802.11b, and 802.11g are restricted to either the 5GHz or 2.4GHz band, limiting their versatility in accommodating various devices.

Which of the following wireless networking protocols supports both 2.4GHz and 5GHz devices?

802.11ax supports both 2.4GHz and 5GHz devices.

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