1. b. The local area network (LAN) consists of many different components. One critical aspect is the media (wired or wireless) that can transmit the data from node to node.
2. c. Switches forward traffic based on the destination MAC (hardware) address contained in the data frame. Contrast this to a router, which makes forwarding decisions based on the destination IP address.
3. d. The metropolitan area network is superb for connecting various buildings in a citywide area. Metro Ethernet is one example of connectivity technology for this design.
4. c. The personal area network features fewer nodes than typically found in a LAN. This design also features a small geographic area, such as a car ...