Computer Networks

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- Suresh Khanal

Computer Networking
Short Questions and Answer

Computer Networking Short Questions and Answers

Suresh Khanal Kalanki, Kathmandu

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Computer Networking: Short Questions and Answers Published by PS Exam Kalanki, Kathmandu Nepal Copyright ©2009 author. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise except for personal and non-commercial use without the prior written permission of the author.

About the Author
Suresh Khanal is a native of Kathmandu, Nepal, where he works as a freelance developer, programmer and technical writer/editor. He has been involved in teaching computers science since 1998 and over the years has written several articles and tutorials on Office Applications and Web Programming. Khanal holds a Master's of Science Degree in Information Technology Science. In his spare time, he enjoys travelling, posting in forums and play online games.

Table of Contents
Transmission Media What is transmission media? What are the types of transmission media? Describe bound transmission media. Describe unbound transmission media. Bound Transmission Media Explain twisted pair cable. Explain Co-axial cable. Explain Fiber-Optics cable. 1 1 1 1 1 1 1 4 5

Match the following types of connectors with the cables to which they are used. 7 Compare BNC with UTP Cables Unbound Transmission Media Explain Radio Wave. What is Microwave? List the Advantages of microwaves. What are the Disadvantages of Microwaves? Describe Infra Red. Computer Network What is a computer network? What are the advantages of Networking? Explain Network Services 8 9 9 10 11 11 11 12 12 12 13

What are the five major network services? What is Network Server? What is a client? What is a dedicated server? What is workstation? What are dumb terminals? Types of Computer Network What is a LAN? What is MAN? What is WAN? Clarify Enterprise WANs. Clarify Global WANs. What are the two types of LAN? Protocols What is a protocol? What are the three major network protocols? Match the following protocols and their functions LAN Topologies What are the two network connection types? Explain Point-to-Point connection type. Explain multipoint connection. What are the basic LAN topologies? Explain Bus Topology. What are the advantages of bus topology?

13 13 13 14 14 14 15 15 16 16 16 17 17 18 18 18 19 20 20 20 21 21 21 23

What are the disadvantages of bus topology? What is Ring Topology? Point out the major advantages of Ring Topology. Point out the disadvantages of Ring Topology. Explain Star Topology. What are the benefits of Star Topology? What are the disadvantages of Star Topology? What are the popular topologies other than basic Topologies? Network Standards What is a Networking Standard? What are the four major industry standards? What is an Ethernet? How an Ethernet Worked? What is Medium Access Control of Ethernet? Explain Ethernet Frame. List some advantages of Ethernet. What are the disadvantages of Ethernet Cabling? What is ARCNet? List the advantages of ARCNet. What are the disadvantages of ARCNet? How does a Token-Passing Protocol works?

24 24 25 25 25 26 26 27 27 27 27 28 28 29 29 30 30 31 32 32 32

Explain Logical Ring Physical Star topology for Token-Passing Standard. 32 List some most useful advantages of Token Ring. 33

Point out the disadvantages of Token Ring. What do you mean by Beaconing and Auto-Reconfiguration? Network Architecture What is Network Architecture? What are the popular Network Architectures? Explain ISO's OSI Architecture Explain IBM's SNA Architecture Networking Model Explain Peer-to-Peer Networking Model. Explain Client/Server Networking Model. Network and Internet Terminologies NICs Hubs/Repeaters Bridges...
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