1. Explain why we have only one frame type in a wired LAN, but four frame types in a wireless LAN.
2. Do the MAC addresses used in an 802.3 (Wired Ethernet) and the MAC addresses used in an 802.11 (Wireless Ethernet) belong to two different address spaces?
3. An AP may connect a wireless network to a wired network. Does the AP need to have two MAC addresses in this case