Anna University Chennai 2007 M.C.A UNIX AND NETWORK PROGRAMMING - Question Paper

M.C.A DEGREE EXAMINATION,NOVEMBER/DECEMBER 2007

4th Semester

MC 1751-UNIX AND NETWORK PROGRAMMING
(REGULATION 2005)
Time:Three hours Maximum:100 marks

ans ALL ques.
PART A-(10 x 2=20 marks)




1. What is file descriptor?Give its usefulness.
2. describe Inode.
3. elaborate Signals?
4. How to terminate a process?
5. elaborate mutexes?Give its role in Interprocess Communication.
6. elaborate 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) discuss file sharing.
(ii) Write about chmod and chown functions.

Or

(b) (i) explain buffering.
(ii) Write short notes on system identification.

12. (a) discuss process termination and command line arguments.

Or

(b) (i) Write short notes on termination logins. (8)
(ii) explain unreliable signals.

13. (a) (i) Write about named pipes. (8)
(ii) discuss the structure of message queue. (8)
Or

(b) Discuss semaphores and shared memory in detail.


14. (a) discuss socket functions for elementary TCP client/server.


Or

(b) discuss socket functions for UDP client/server.





15. (a) Implement TCP echo server and client.


Or

(b) discuss ping in detail.

Earning:   Approval pending.