Network + Chapter 1 Notes

Satisfactory Essays
About the Presentations
• The presentations cover the objectives found in the opening of each chapter.
• All chapter objectives are listed in the beginning of each presentation.
• You may customize the presentations to fit your class needs.
• Some figures from the chapters are included. A complete set of images from the book can be found on the Instructor Resources disc.
1

Network+ Guide to Networks
5th Edition

Chapter 1
An Introduction to Networking

Objectives
• List the advantages of networked computing relative to standalone computing
• Distinguish between client/server and peer-to-peer networks • List elements common to all client/server networks

Network+ Guide to Networks, 5th Edition

3

Objectives (cont’d.)
• Describe several specific uses for a network
• Identify some of the certifications available to networking professionals
• Identify the kinds of skills and specializations that will help you excel as a networking professional

Network+ Guide to Networks, 5th Edition

4

Why Use Networks?
• Network
– Group of computers and devices
• Connected by transmission media

• Stand-alone computer
– Not connected to other computers
– Uses local software and data

• Advantages of networks over standalone computers
– Device sharing by multiple users
• Saves money and time

– Central network management
Network+ Guide to Networks, 5th Edition

5

Types of Networks
• Models vary according to:
– Computer positioning
– Control levels over shared resources
– Communication and resource sharing schemes

• Network models
– Peer-to-Peer
– Client/server

Network+ Guide to Networks, 5th Edition

6

Peer-to-Peer Networks
• Direct computer communication
– Equal authority

• Individual resource sharing
– May share resources
– May prevent access to resources

• Traditional model
– Two or more general purpose computers
• Capable of sending and receiving information to and from every other

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