Q.8. What is the difference between the delivery of a frame in the data link layer, the delivery of a packet in the network layer and delivery segment in the transport layer? Q.9.What is the difference between connectionless and connection-oriented services ?Which type of service is provided by IPv4? EEC4013 EJ 6 12/23/2017 Q.10. List three transition strategies to move from IPv4 to IPv6. Explain the difference between tunneling and header translation strategies during the transition period. When is each strategy used? Q.11. List the transport layer protocols explaining the main function for each EEC4013 EJ 7 12/23/2017 Q.12. The following is a dump of a TCP header in hexadecimal format. 05320017 00000001 00000000 500207FF 00000000 a. What is the source port number? b. What is the destination port number? c. What the sequence number? d. What is the acknowledgment number? e. What is the length of the header? f. What is the type of the segment? g. What is the window size? h. Is the packet from client to server or vice versa ? and Why EEC4013 EJ 8 12/23/2017 Q.13. What can you say about the TCP segment in which the value of the control field is one of the following? a. 000000 b. 000001 c. 010001 Q.14. What is the maximum size of the TCP header? What is the minimum size of the TCP Header? 15. In TCP, if the value of HLEN is 0111, how many bytes of option are included in the segment? Q.16. Define the following :- 1. Metric :---------------------------------------------------------------------------------------- 2. AS :-------------------------------------------------------------------------------------------- 3. OSPF:----------------------------------------------------------------------------------------- 4. BGP:--------------------------------------------------------------------------------------------- EEC4013 EJ 9 12/23/2017 Q.17. What is the difference between a direct and an indirect delivery? Q.18. List three forwarding techniques discussed in this chapter and give a brief description of each. Q.19. Contrast two different routing tables . Q.20. a. What is the purpose of RIP? EEC4013 EJ 10 12/23/2017 b. What are the functions of a RIP message? Q.21 List the four levels of addresses are used in an internet employing the TCP/IP protocols explaining the usage for each