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CSG 1105: Hubs Result in Half-Duplex Connections – Communications

Internal Code: MAS7035

Communications Assignment

1) In weeks one and two, you produced LAN simulations in Packet Tracer using both hubs and switches.

a) Hubs result in half-duplex connections whereas switches may have full duplex connections. Explain the terms half-duplex and full duplex in terms of LAN connections. Try setting a workstation Ethernet interface to full duplex on the week one exercise. What happens?

b) When using hubs, the more stations added to a LAN reduces the bandwidth available to each station. This is not the case with switches; Explain.

2) In Packet Tracer we have used IP addresses and have seen MAC addresses

a) In the exercises, we assigned IP addresses to each workstation, whereas Packet Tracer had already assigned the workstation a MAC address. What is the difference between a MAC address and an IP address?

b) What are frames and packets and what is their relationship to each other? What network  Is hardware associated with each of these?

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