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

BACHELOR IN COMPUTER APPLICATIONS

Term-End Examination

CS69 : TCP/IP PROGRAMMING

Time: 3 hours
Maximum Marks: 75

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

June 2006

1. (a) Explain how data transmission occurs from one computer to another. Explain the main activities to be conducted at the TCP levels and IP levels in sending packets to the destination computer. (8)

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

(i) 196.202.101.102

(ii) 216.111.52.12

(iii) 2.212.011.200

(iv) 150.156.10.10

(c) How does TCP handle time out and retransmission? Explain the need for multiplexing at the transport layer. (7)

(d) How many networks can each IP address class A, B and C have ? Also, find the number of hosts per network in each given address class. (6)

(e) Write any three differences between the OSI relerence model and the TCP/IP model. (2)

(i) Network Id: 1111 ... 1111

(ii) 000 ... 00: Host id

2. (a) Design UDP Client and Server algorithms, where the client should prompt a user to type a line of text and send it to the server. The server should listen to the clients concurrently and print the text with the client's name on the screen. (10)

(b) How does FTP work ? Explain the connection establishment procedure between a client and a server. (5)

3. (a) Explain the concepts of IP subnet addressing And subnet masking, with the help of an example For each. (8)

(b) Explain any three fields in the ethernet frame format. Also explain how the ethernet frame format is related to the IP and TCP header. (7)

4. (a) Explain the importance of the following IP header fields in network communication : (10)

(i) Time To Live

(ii) Fragment Offset

(iii) Type of Service

(iv) Header Checksum

(v) Padding

(b) How does name resolution take place in DNS? Explain this with the help of a suitable example. (5)

5. (a) How does TCP handle the flow control problem ? Also, write any four advantages of TCP over UDP. (7)

(b) Define the following terms : (8)

(i) Sliding Window

(ii) Multicasting

(iii) Congestion

(iv) Gateway

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

• 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.