(Since the wireless LAN uses public electromagnetic waves as the carrier, the electromagnetic waves can pass through objects such as ceilings, glass, floors, bricks, walls, etc. Therefore, in the area served by a wireless LAN access point (AccessPoint), any wireless client can Receive the electromagnetic wave signal of this access point, which may include some malicious users can also receive other wireless data signals. In this way, it is much easier for malicious users to eavesdrop or interfere with information in the wireless local area network compared to the wired local area network.)
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