Answer:
Multiplexing is the process of combining multiple analog and digital signal into one signal over a shared medium and it is most efficient service, which is provided by the transport layer protocol. The main purpose of multiplexing is that signal are transmitted efficiently.
It contains applications as:
Client-server Application
Many to single client-server application
Many to many client-server application
Many client to many server application is the best because it is improving server application and processing a client request within a group on any server.