1) What is HTTP and HTTPS?. What is the difference between these two PROTOCOLS?. Plz, Explain in detail. What is happening when i send the request to server?. I want answer for PROTOCOL Level. Will HTTP calls TCP/IP Protocol? 2) What is IIOP?. In what situation should i use these IIOP Protocol?. please, Dont tell while using Java Clients. please, Dont tell while using CORBA Implementation in the Server.