A network technician is tasked with setting up a wireless network in a busy office space that already has multiple wireless networks operating on the 2.4 GHz band. The technician wants to avoid interference and improve network performance. Which frequency band should the technician choose to optimize the network?
5 GHz
2.4 GHz
7 GHz
3.6 GHz
The correct answer is '5 GHz'. This frequency band is less congested than the 2.4 GHz band and generally offers better performance in environments with many existing wireless networks. The 5 GHz band also supports a larger number of non-overlapping channels, which reduces the risk of interference. The other options, while they are valid frequency bands, would not be optimal. The 2.4 GHz is already noted as congested, and the technician is looking to avoid interference. The 3.6 GHz and 7 GHz band is not used by WiFi devices.
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