Introduction to Computer Networks Sumita Arora information Practices Solution

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Q1. What is a network? What are its goals and applications?

 

Q2. Discuss and compare various types of networks.

 

Q3. Explain various mostly used topologies.

 

Q4. Discuss the factors that govern the selection of a topology for a network.

 

Q5. Compare and contrast

(i) Star and Bus topologies

(ii) Star and Tree topologies

(iii) Bus and Ring topologies.

 

Q6. What is the role of modem in electronic communications?

 

Q7. What are hubs? What are its types?

 

Q8. What is the role of a switch in a network?

 

Q9. Briefly discuss the role of following devices in the contex of networking.

(i) repeater

(ii) router

(iii) bridge

(iv) gateway.

 

 

Q10. What is the importance of router?

 

Q11. What is gateway? What does it do?

 

Q12. How is a repeater different from an amplifier?

 

Q13. How is a LAN different from a MAN?

 

Q14. How is a LAN different from a PAN?

 

Q15. How is a LAN different from a WAN?

 

Q16. Can you term a PAN as a LAN? Why/Why not?

 

Q17. Compare Mesh with Tree topology.

 

Q18. Compare Tree and Star topology.

 

Q19. Write two advantages and two dis-advantages for STAR topology.

Q20. (a) Write advantages and disadvantages of bus topology.

(b) Write advantages and disadvantages of tree topology.

(c) Write advantages and disadvantages of mesh topology.