DCCN II MID IMPQUESTIONS

II MID IMPORTANT QUESTIONS.

1.      a)  Compare TCP,UDP and SCTP protocols.

b) What is congestion and explain any one of the congestion control mechanism

2.      What is logical addressing? Give the services and header format of IPV4 & compare with IPV6.

3.     a) Explain DNS in the Internet.

b) Write short notes on Remote login & FTP.

4.      Explain the following

a)      ICMP  b) IGMP          c) Multi-cast routing protocols

d) Forwarding & routing  e) Inter-networking.

5.      a) Explain the main categories of DNS Messages and its header format.

                  b) Explain briefly about ICMP.

6.      Explain the following

                        a) Electronic mail        b) Voice over IP                      c) HTTP

                        d) FTP                           e) Remote login.

7.      Give the frame format of IPV4 and explain the functions of each.

8.      Describe the procedure used for Checksum calculation in IPV4.

9.      Discuss ICMP message & IGMP messages and its formats.

10.  Explain and compare various techniques used to improve QOS.

11.  Explain SMTP and POP3 protocol.

12.  Explain the working of 3-ways handshaking used in TCP.

13.  What is congestion? Explain the causes and the effects of congestion.

14.  Explain the integrated Services QoS model.

15.  Explain the name-address and address-name resolution process.

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