2. Why FCS at the tail? IP checksum in the header?
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3. Why is big bandwidth delay product (BDP) bad forCSMA/CD?
4. What is the problem in half-duplex Gigabit Ethernet?
5. What is the minimum frame length, in meters, whentransmitted in Gigabit Ethernet?
6. Why not CSMA/CD for wireless LAN?
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