The 802.11ac standard supports the 5 GHz frequency band, offers speeds up to 1,300 Mbps, and can utilize channel widths of 20, 40, and 80 MHz (or even 160 MHz in some cases). This makes it the best choice for the given specifications.
A. 802.11a: This standard operates on the 5 GHz band but offers lower speeds (up to 54 Mbps) and does not support the 20/40/80 MHz channel widths or the specified speed.
C. 802.11b: This standard operates on the 2.4 GHz band and offers speeds up to 11 Mbps, which does not meet the given specifications.
D. 802.11n: While 802.11n supports both 2.4 GHz and 5 GHz bands and can use channel widths of 20/40 MHz, it typically provides speeds up to 600 Mbps, which is less than the 1,300 Mbps specified.
B.
802.11ac is a wireless networking standard that operates on the 5GHz frequency band and supports high data rates, including up to 1,300 Mbps. It also supports channel widths of 20MHz, 40MHz, and 80MHz, which allows for increased data throughput.
802.11a (Option A) also operates on the 5GHz band, but it is an older standard with a maximum data rate of 54 Mbps and does not support the 80MHz channel width or the higher speeds like 802.11ac.
802.11g and 802.11 don't support 5GHz
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