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Posted By: Ramya Member Level: Silver Posted Date: 23 Dec 2007
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2007 Anna University M.C.A UNIX AND NETWORK PROGRAMMING Question paper
M.C.A DEGREE EXAMINATION,NOVEMBER/DECEMBER 2007
Fourth Semester
MC 1751-UNIX AND NETWORK PROGRAMMING
(REGULATION 2005)
Time:Three hours Maximum:100 marks
Answer ALL questions
PART A-(10 x 2=20 marks)
1. What is file descriptor?Give its usefulness.
2. Define Inode.
3. What are Signals?
4. How to terminate a process?
5. What are mutexes?Give its role in Interprocess Communication.
6. What are pipes?Compare with other methods.
7. What are the features of raw sockets?
8. Enumerate the reasons for I/O multiplexing.
9. What are functions of echo server?
10. How to use trace route for network programming?
PART B-(5 x 16=80 marks)
11. (a) (i) Explain file sharing.
(ii) Write about chmod and chown functions.
Or
(b) (i) Discuss buffering.
(ii) Write short notes on system identification.
12. (a) Explain process termination and command line arguments.
Or
(b) (i) Write short notes on termination logins. (8)
(ii) Discuss unreliable signals.
13. (a) (i) Write about named pipes. (8)
(ii) Explain the structure of message queue. (8)
Or
(b) Discuss semaphores and shared memory in detail.
14. (a) Explain socket functions for elementary TCP client/server.
Or
(b) Explain socket functions for UDP client/server.
15. (a) Implement TCP echo server and client.
Or
(b) Explain ping in detail.
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