Suppose your friend is working in an IT farm where he is supervising a project for DIU with four team members. He needs to communicate with other members to know the progress of the project, sharing information on a regular basis. He also met his clients for sharing confidential data. Sometimes, he communicates with users to know the general needs of the project. But, He wants to use different transport layer protocols to communicate with clients, users and his team members. Now, your friend needs your advice as you are a Network Administrator.