$2.$ a$)$Suppose you are working as a network administrator in an organization, and a job to redesignthe network is assigned to you. You have the following requirements and constraints to designthe network:i$..$ The CEO, president, and vice president's computers are connected to each other. In thisscenario, choose which topology is best suited and why.ii$.$ The computer centers of the same organization have the requirement that every machineneeds to be connected with each other. Sketch the topology for the sameb$)$ You are sending a mail from your vit mail id to a professor in Stanford $.$ Identify the networkdevices$($hardware$)$ which are employed in the communication.