An 802.11a wireless network is functioning at which of the following frequencies?

The correct answer is D. 5.0 GHz. 802.11a operates at 5.0 GHz (D). It was one of the original Wi-Fi standards (ratified in 1999) and uses the less congested 5 GHz band, supporting speeds up to 54 Mbps. The 2.4 GHz band (C) is used by 802.11b and 802.11g. The 802.11n standard is dual-band, supporting both 2.4…

Networking concepts

Question

Options

A1.0 GHz
B1.5 GHz
C2.4 GHz
D5.0 GHz

How the community answered

(51 responses)

A
2% (1)
B
6% (3)
C
2% (1)
D
90% (46)

Explanation

802.11a operates at 5.0 GHz (D). It was one of the original Wi-Fi standards (ratified in 1999) and uses the less congested 5 GHz band, supporting speeds up to 54 Mbps. The 2.4 GHz band (C) is used by 802.11b and 802.11g. The 802.11n standard is dual-band, supporting both 2.4 GHz and 5 GHz. The 1.0 GHz (A) and 1.5 GHz (B) frequencies are not used by any standard 802.11 Wi-Fi specification.

Topics

#802.11a#wireless frequency#5 GHz#WiFi standards

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