IT430 E-Commerce Assignment 1 Solution Fall 2014

Question No 1: Marks 20
Part a) Suppose you have to use a switch or a bridge for the 2 networks in two buildings where  Building # 01 has 3 floors and each floor have computers to be on the same network. Building # 02
has only one floor and all computers are on the same floor and you have to connect them on  network.
Find out the network device feasibility to use in both buildings that which building will use bridge and
which one will use switch. State your answer with reason. 10 marks
Part b)
In the above diagram, R1, R2, R3, R4, and R5 are the routers attached with the computers A, B, C, D,
and E respectively. Suppose computer ‘A’ sitting on the network 140.57 sends a message to a  computer ‘E’ sitting on the network Find
(a) The shortest path from computer A to computer E [5 marks]
(b) All other possible paths which can exist between computer A and E [5 marks]