1. State and justify four conditions under which you will recommend the use of server based network to an organization. Provide a diagrammatic illustration of the network. 2. An organization wants to use infra-red wireless techniques for its network within the organization. Using five properties, explain how you support the organization. 3. Analyze five central principles that allow cellular system to work. 4. Examine five the technologies used for the invention of 4G wireless network.