A network technician is attempting to optimize the wireless network in a multi-story office building with numerous wireless access points (APs). They are using a WiFi analyzer to troubleshoot complaints about intermittent wireless performance on the 2.4GHz band. The technician observes that the APs are set to operate on channels that are overlapping with neighboring APs. Which of the following channel configurations should the technician choose to minimize interference on the 2.4GHz frequency band?
Use channel 4 for one AP and channel 8 for the other to provide even coverage.
Set each AP to use channels 2, 7, and 12 respectively to spread them out.
Set one AP to channel 1, another to channel 6, and another to channel 11.
Configure all APs to use channel 3 for consistency across the office.
In the 2.4GHz band, only channels 1, 6, and 11 do not overlap with each other. By setting APs to non-overlapping channels, you minimize the chances of interference, which can degrade wireless performance. Channels that are five numbers apart on the 2.4GHz frequency do not overlap and are the standard configuration to avoid interference in a densely populated wireless environment.
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Why are channels 1, 6, and 11 recommended for 2.4GHz WiFi?
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