Data Communication and Computer Networks Assignment 1 Submission on:_ 1.Explain the following Client-server computing/Web technologies: Server-side programs; Socket programs; Server sockets; Client sockets; multithreading concepts; 2. Sockets and Client/Server Communication 3. Explain the following different types of multiplexing? And Describe them. a) Frequency-Division Multiplexing b) Synchronous Time-Division Multiplexing c) Statistical Time-Division Multiplexing O 4. What is the difference between a port address, a logical address, and a physical address? 5. Define the digital hierarchy used by telephone companies and list different levels of the hierarchy. 6. Compare and contrast a circuit-switched network and datagram networks. 7. What are the differences between classful addressing and classless addressing in IPv4? 1| Page