a. What is a local area network? b. What is the customer premises? c. Distinguish between workgroup switches and core switches. d. Why is UTP dangerous? e. Why is 802.1X needed? a. Distinguish between...

a. What is a local area network? b. What is the customer premises? c. Distinguish between workgroup switches and core switches. d. Why is UTP dangerous? e. Why is 802.1X needed?

a. Distinguish between LANs and WANs. b. Why do companies use carriers for WAN transmission? c. What two WAN technologies are illustrated in the figure? d. Why is carrier WAN traffic generally considered safe?