5. Convert the IPv4 address whose hexadecimal representation is A44FF1BC to dotted decimal notation. (10p) 6. A network on the Internet has a subnet mask of 255.255.240.0. What is the maximum number of hosts it can handle? ( 5p ) 7. A large number of consecutive IP address are available starting at 198.16.0.0. Suppose that four organizations, A, B, C, and D, request 4000,2000,4000, and 8000 addresses, IP address assignt in that order. For each of these, give the first IP address assigned, the last 8. Why does UDP exist? packets? ( 5p ) been enough to just let user processes send raw IP application, what is it? contains a server program that provides a service to a certain O. The second piece of code contains a protocol that allo each line? (10p) unreliable channel, which Protocol is protocol that allows unidirectional data flow over an line? (15p) channel, which Protocol is that? Describe the code by adding comments to each