a. The following are devices commonly used in setting up a network; shielded twisted pair (UTP)
cables, network interface card (NIC), hubs repeaters, bridges, switches, routers and access point.
Sketch a network diagram that makes use of all the devices. Briefly explain the function of each
and at what layer of the open systems interconnection (OSI) reference model each device
functions. (10 Marks)
b. Give an overview of the distance vector method of updating routing table information. In
particular explain using an example how information about a node failure propagates using this
algorithms. (6 Marks)
3
c. Describe the following terms as used in data flow control. (4 Marks)
i. Jitter
ii. Delay
