Suppose there are two ISPs providing WiFi service in a café. Each ISP operates its own AP and has its own IP address block. If by chance both ISPs configure their APs to operate over the same channel, e.g channel 5, how will users who attempt to connect to either of the APs be affected?

Answer :

Answer:

As a design rule, access points within range of each other should be set to channel frequencies with minimal signal overlap. Users will find that roaming doesn’t work well, and performance will degrade because of interference between access points.

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