CNcsenov07 - DEGREE EXAMINATION, Fifth Semester (Regulation...

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Unformatted text preview: DEGREE EXAMINATION, Fifth Semester (Regulation 2004) Computer Science and Engineering CS 1302 - COMPUTER NETWORKS (Common to Information Technology) 2007. (Common to B.E. (Part-Time) Fourth Semester Regulation 2005) Time : Three hours Answer ALL questions. PART A - (10 x 2 = 20 marks) 1. Maximum : 100 marks Define the term Protocol and give its key elements. List the issues associated with RS-232 standard. What is Modulo-2 arithmetic? Define the term Give an account on Private addresses. What is the meaning of multiple IP address of Router? Give the format for UDP datagram and give the meaning for each field. Define the terms (a)Jitter What is MIME? Give an account on Steganography. Socket address. 2. 3. 4. 5. 6. 7. 8. 9. 10. PART B - (5 x 16 = 80 marks) 11. (a) (ii) Explain Layers in OSI model. Explain the Star and Bus topologies of computer networks. Explain about Coaxial cable and Fiber Optics media for communication. (ii) Explain about the transmission modes available for data flow. Explain the categories of networks. 12. (a) (i) (ii) Explain CRC error detection mechanism with an example. Explain HDLC in detail. Or Explain the frame format of IEEE 802.3 and IEEE 802.5 in detail. What is CSMA 13. (a) (6) (4) - - Explain about Special IP addresses in detail. A company is granted the site address The company needs 6 Design the Explain Link state routing. Explain Routing table and Routing module. 14. (a) Explain the Steps involved in computing Checksum for an UDP Datagram. (ii) Explain Four-way Handshaking method to terminate a connection in TCP. Explain about TCP Congestion control technique in detail. (ii) What is Silly Window Syndrome? How do you avoid it? 15. (a) Explain the followings related with FTP : Connections and communications Commands. Or Explain the followings related with HTTP : Messages (ii) Headers. ...
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