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EXPERT RESPONSE
APs and routers don't normally connect in this manner. A typical AP is composed of two ports (i.e., antenna and LAN-side Ethernet). A wireless client (i.e., laptop, PDA, phone) associates to the antenna port/NIC of an AP via the standard Wi-Fi protocol 802.11. However, on the other hand, the AP physically connects to a router via its LAN-side Ethernet port, which utilizes 802.3. The router will only speak 802.3 directly to the AP, which is why the AP must convert the protocol (i.e., 802.11 to 802.3).
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