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Posted By: SRIMATHI Member Level: Diamond Posted Date: 27 Apr 2008
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2007 Indira Gandhi National Open University (IGNOU) B.C.A TCP/ IP PROGRAMMING Question paper
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IGNOU BCA Question Paper June 2007
BACHELOR IN COMPUTER APPLCATIONS
Term-End Examination
June, 2007
BCS – 061: TCP/ IP PROGRAMMING
Time: 2 hours Maximum Marks: 60
Note :Question number 1 is compulsory. Answer any three questions from the rest.
1.(a) What is the need of protocols in communication? Draw the mapping of OSI & TC P /lP model showing different protocols included in TCP / lP . (6)
(b) Explain what is an ICMP. List any four functions of ICMP. (4)
(c) Explain the three-way handshake mechanism used by TCP for connection establishment. (5)
(d) What is HTTP? Explain any four methods used by HTTP for data transfer. (5)
(e) What are the rules of determining IP address classes? Explain. (5)
(f) Differentiate between broadcasting and multicasting. How are the socket options set for broadcasting and multicasting? (5)
2. (a) What is count-to-infinite problem in distance vector routing ? Show with the help of an example. (5)
(b) What is the meaning of Type of Service field used in the header of IP datagram? Also, explain the maximum number of hops that a datagram can remain in, in the network before it is discarded. (5)
3. (a) What are the various services offered by TCP to a running process on application layer? Explain. (5)
(b) Write the algorithm for connectionless and concurrent server: (5)
4. (a) Differentiate between Stateful and Stateless Programs (Servers). Why is designing of stateful server difficult? (5)
(b) What is byte ordering? Explain the functions used for byte order conversion. (5)
5. Explain the syntax of the following system calls along with meaning of parameters used by them: (10)
(a) getservbyname ( )
(b) inet-addr ( )
(c) recvfrom ( )
(d) send ( )
(e) shutdown ( )
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