Q1. 2 marks For each of the following four networks, discuss the consequences if a connection fails. a. Five devices arranged in a mesh topology b. Five devices arranged in a star topology (not counting the hub) c. Five devices arranged in a bus topology d. Five devices arranged in a ring topology

Q2. 2 marks Compare the telephone network and the Internet. What are the similarities? What are the differences?

Q3. 2 marks Suppose a computer sends a packet at the network layer to another computer somewhere in the Internet. The logical destination address of the packet is corrupted. What happens to the packet? How can the source computer be informed of the situation?

Q4. 4 marks Assume, you are working as a Network Administrator/Network Analyst for the past 25 years. Your friend is an IT specialist with a leading bank and needs your views/opinion to revamp the banks existing network. Make necessary assumptions and propose high-level abstract network diagrams. Help your friend with 2 alternatives (low-cost and high-cost solutions.)