Test Papers / Previous Question Papers of IGNOU CS69 TCP/IP Programming December 2006

BACHELOR IN COMPUTER APPLICATIONS

Term-End Examination

CS69 (S) : TCP/IP PROGRAMMING

Time: 3 hours
Maximum Marks: 75

Note : Question number 1 is compulsory. Answer any three questions from the rest.

December 2006

1. (a) List and explain the various activities performed by TCP, IP and Ethernet protocols to route a packet. Also, highlight the changes in the message formats. (7)

(b) Identify the address class of the following IP addresses : 4

(i) 215.102.52.002

(ii) 243.18.12.12

(iii) 12.6.75.0

(iv) 169. 155.10.10

(c) Outline the operation of 3-way handshake method.

How is it different from 2-way handshake method ? 6

(d) How is checksum in TCP header computed ? Give an example to explain it. 5

(e) Write any two similarities between the TCPAP And the OSI model. (2)

(f) Explain the meaning of the following flags, if bit Set to "ong" : URG, ACK, PSH, RST, SYN and FIN.

2. (a) Write an algorithm each for a TCP client and a TCP server, where the connection request from the client prompts the server to send the system date and time to client for which the client will send an acknowledgement. (10)

(b) Describe the concept of subnet masking with an example. (5)

3. (a) Briefly describe the purpose of various fields in TCP header format. (10)

(b) Answer the following questions :

(i) Which port does a HTTP server listen to ?

(ii) How many packets are exchanged in establishing a TCP connection ?

(iii) How much data can be carried within an IP datagram ?

(iv) What is the purpose of ICMP protocol ?

(v) What is the purpose of ARP protocol ?

4. (a) Explain the purpose of various fields used in DNS message format. (5)

(b) Which of the transport protocols (TCP or UDP) would you select for the following applications ? Justify your answer. (10)

(i) Voice over IP

(ii) Video conferencing

(iii) Internet chatting

(iv) e-mail

(v) Web surfing

5. Differentiate belneen the following : (15)

(i) class A and class B IP addressing schemes

(ii) Connection oriented and Connectionless services

(iii) IHL and Total length field in IP header

(iv) MF and DF fields in header format

(v) TCP and UDP

The following is a partial list of Testpapers of similar / related courses to TCP/IP Programming offered by IGNOU

• CS69 TCP/IP Programming June 2007 Testpapers
• CS69 TCP/IP Programming December 2006 Testpapers
• CS69 TCP/IP Programming June 2006 Testpapers
• CS69 TCP/IP Programming December 2005 Testpapers
• CS69 (S) TCP/IP Programming December 2005 Testpapers

Note: The above courses are picked automatically by the website for indicative purpose only. However, students are requested to check with the University for the similarity of the course or for any other information in regard to the course.