3. Network Model Select an industry or a business what you know better (especially how It works). Identify activities and design a protocol suit Application Layer a. b. i. List of all of header names within the request and response of HTTP protocol Briefly write down their functions C. TCP Suppose there is a small commercial retail building in your town that has essentially one room. On one side of the room is a real estate agency and on the other side of the room is a guy who sells tea. What is the relationship between this setup and the concept of IP addresses with TCP port numbers? What are the principal functions of TCP and what would happen in computer communication without this layer