When setting up multiple wireless access points in close proximity on the 2.4 GHz band, which set of channel numbers should be assigned to reduce frequency overlap and minimize interference?
Channels 1, 6, and 11 are the non-overlapping channels in the 2.4 GHz band. Assigning these channels to adjacent access points reduces interference because the channel frequencies are spaced far enough apart to prevent signal overlap. Other channel combinations overlap and can cause co-channel interference, degrading network performance.
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Why are channels 1, 6, and 11 considered non-overlapping?
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What is co-channel interference, and how does it affect network performance?
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What is the reason for using 20 MHz channel width in the 2.4 GHz band?
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Cisco CCNA 200-301
Network Fundamentals
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