TCP/IP/UDP

• What is the difference between TCP/IP & UDP.

• Difference between TCP/IP and IP protocol ?

• What is meant by TCP, IP, UDP ?

• What is the difference between TCP and UDP ?

• What is a proxy server ?

• What is meant by URL

• What is a socket and server sockets ?

• What is InetAddress ?

• What is datagram and datagram packets and datagram sockets ?

• Write the range of multicast socket IP address ?

• Difference between TCP & UDP.