(a) When designing a network, it is important to consider redundancy. How do you implement Network Redundancy? 2 marks (b) You are employed as a network engineer and is asked to setup a small enterprise network with 20 subnets and a total of 1000 hosts. The subnets vary in size with a minimum of two hosts and a maximum of 150. A mixture of static and dynamic routing is to be deployed. You are required to use a hierarchical topology with a mixture of IPv4 and IPv6 addressing. The network infrastructure will comprise of routers, switches, firewalls and intrusion detection systems. The main end devices are workstations, servers, printers and IP phones. i) What kind of topology would you use? Give reasons for your answer. ii) What routing protocols would you configure? Give reasons for your answer. iii) What approach would you take to implement the ip addresses? 8 marks