Answer the following problems.

problem 1) describe the theoretical limit of number of IP multicast addresses?

problem 2) Why in IP datagram we have checksum only for header not for entire data?

problem 3) Compare a Connection Oriented and Connection Less Link in detail.

problem 4) What do you mean by Port Number.

problem 5) In OSI network architecture, the routing is performed by which layer?

problem 6) In case a frame does not get received, how does the source get to know?

problem 7) What do you mean by subnet masks? describe with full description.

problem 8) What do you mean by Tunnelling? describe in detail.

problem 9) Which IP address is called Loop back Address?

problem 10) Compare and contrast UDP and TCP in detail.