10) Socket API [8 marks] a) (4 marks) Outline the socket calls that a server must make in order to prepare to receive incoming connections (2 marks) What call does a client use in order to initiate a connection? (2 marks) Should applications in general use the socket interface? Why? b) c) 11) Application Layer Protocols [8 marks] a) (3 marks) When designing an application protocol (or any protocol), you should consider the b) (2 marks) HTTP is a stateless protocol, but it runs over TCP which is a connection-oriented c) (3 marks) All applications have state, even web applications. Where is this state kept in a web syntax, semantics, and timing. Explain what is meant by each of these protocol. Explain what this means and why this does not make HTTP a stateful protocol. application? What is the mechanism used to define valid state transitions