9781423902454_PPT_ch01 - About the Presentations The...

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1 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.
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Network+ Guide to Networks 5 th Edition Chapter 1 An Introduction to Networking
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Network+ Guide to Networks, 5 th Edition 3 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
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Network+ Guide to Networks, 5 th Edition 4 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
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Network+ Guide to Networks, 5 th Edition 5 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
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Network+ Guide to Networks, 5 th Edition 6 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
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Network+ Guide to Networks, 5 th Edition 7 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 computer
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Network+ Guide to Networks, 5 th Edition 8 Peer-to-Peer Networks (cont’d.) Figure 1-1 Resource sharing on a simple peer-to-peer network
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Network+ Guide to Networks, 5 th Edition 9 Peer-to-Peer Networks (cont’d.) Advantages Simple configuration Less expensive Compared to other network models Disadvantages Not flexible Not necessarily secure Not practical for large installations
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Network+ Guide to Networks, 5 th Edition 10 Peer-to-Peer Networks (cont’d.) Resource sharing method Modify file sharing controls A user responsibility Not centrally controlled Potential variations and security issues Environments Small home or office Large networks using the Internet Gnutella, Freenet, original Napster BitTorrent software
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th Edition 11 Client/Server Networks Central computer (server) Facilitates communication and resource sharing Clients (other computers)
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This note was uploaded on 07/21/2011 for the course ISYS 271 taught by Professor Dan during the Fall '10 term at Southwestern Michigan College.

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9781423902454_PPT_ch01 - About the Presentations The...

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