VI Semester B.C.A. Degree Examination, April/May 2015 (Old Scheme) COMPUTER SCIENCE 6 BCA-1 – Computer Networks – II Time : 3 Hours
Max. Marks : 80
Instruction : Answer all Parts. PART – A Answer any 8 questions.
(8×3=24)
1. Explain the components of a LAN. 2. Explain static and dynamic routing. 3. Discuss PING. 4. What is MTU ? Explain. 5. List the control messages defined by ICMP. 6. What is POP ? Explain. 7. Differentiate between repeaters, bridges and routers. 8. Explain port numbers. Mention any 2 well known port numbers and its role. 9. Explain the purpose of network layer in the ISO – OSI reference model. 10. Discuss Telnet. PART – B Answer any 4 full questions.
(4×14=56)
11. a) Explain the steps involved in the planning and evaluation of a LAN before installation.
7
b) Explain the client-server model of computing. Compare it with the centralized computing model.
7
P.T.O.
*SA931*
SA – 931 12. a) Explain the format of RIP message. b) Discuss the purpose of ARP and RARP with the header formats.
13. a) Define IP and discuss its header format. Explain the various classes of IP addresses. b) Explain Serial line IP.
6 8 10 4
14. a) Explain congestion and explain any one congestion control algorithm. b) Explain TCP state transition diagram. 15. a) Define SMTP. Discuss the protocol. b) Explain POP3 and SMIME.
7 7 6 8
16. Write short notes on. a) DNS and its message formats.
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places the student at the center of the learning experience. Forouzan's Computer ... fun as well. The appealing visual layout combines with numerous figures and examples to provide multiple routes to ... Data Communications and Networking.
Make a diagram of the. network, showing the various modes and what they actually represent (Computers,. Printers ... Displaying Computer Networks 1.pdf.
