1 - LAN Extensions: Fiber Modems, Repeaters, Bridges, and Switches
1 When an optical fiber is used to extend a connection to a LAN, what additional devices are needed?
2 When bridging is used with a satellite link, two bridges are typically used, one on each side. Explain why.
2- WAN Technologies and Dynamic Routing
1 What are the conceptual parts of a traditional packet switch, and to what does it connect?
2 What benefit does dynamic routing offer?
3- Networking Technologies Past and Present
1 Which would you expect to have smaller delay, VSAT technology or WiMAX technology? Why?
2 What technology has replaced Ethernet hubs?
4- Internetworking: Concepts, Architecture, and Protocols
1 What is the chief difficulty in providing universal service?
2 In the 5-layer reference model used with the TCP/IP Internet protocols, what is the purpose of each of the five layers?