09 Jun Question DATA And Communications Networks
Question
DATA And Communications Networks
Question 1.
a. Construct a table that will compare each of the following network devices. You should have columns for function, network layer, address type, address length duplex, collision domain, and broadcast domain. You will be expected to put a few words against each entry. (20 Marks)
a. NIC (Network Interface Card)
b. Hub
c. Switch
d. Router
b. Explain why twisting improves the performance of network cabling (100 words). (5 Marks)
c. Explain how network data is sent over an optical fiber cable and why the light stays within the cable. List the four main benefits of optical cable, when compared with metallic cable (100 words). (9 Marks)
Question 2.
a. Contrast routers and switches by explaining how each learn about the networks that they are connected to. You should include relevant factors about layers, protocols, types of addresses and tables (500 words) (24 marks)
b. Explain how a host A is able to send a packet to a host B that belongs to a different subnet 1 hop away. Your explan
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