kindly answer all the questions task1

Task 1: Network Infrastructure and Protocols - 30 Marks The head office requires new IT infrastructure. The CEO has asked you to provide areport to clarify the following: a) It has been suggested that there are two major options for providing the network: Use Ethernet components/ cabling or use Wi-Fi. The head office has a mixture of 10base T over Cat 5 UTP and Wi-Fi; Explain the difference between this and newer versions of Ethernet and Wi-Fi and make a recommendation about the technology the charity should use. You should discuss differences in data rate and the type of cable required and network contention. A good answer will relate your recommendation to the business requirements. b) A hub, a switch, a wireless access point and a router are networking components. Explain the differences between them and identify the OSI layer at which each component operates. For each component, support your answer with ONE (1) reason. c) Network architecture is frequently described in terms of the OSI 7-layer model. Explain the purpose of each of the 7 layers. d) Given the applications that will be used and making any suitable assumptions, explain the purpose of SEVEN (7) protocols. For each protocol identify the layer at which they operate. TE