chap1(new)' - Living in a Network-Centric World Network...

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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE I Chapter 6 1 Living in a Network-Centric World Network Fundamentals – Chapter 1 Modified by Tony Chen 05/20/2008
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 2 Notes: If you see any mistake on my PowerPoint slides or if you have any questions about the materials, please feel free to email me at chento@cod.edu . Thanks! Tony Chen College of DuPage Cisco Networking Academy
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 3 Objectives In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human network. Identify the key components of any data network. Identify the opportunities and challenges posed by converged networks. Describe the characteristics of network architectures: fault tolerance, scalability, quality of service and security. Install and use IRC clients and a Wiki server.
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 4 Networks supporting the way we live Among all of the essentials for human existence, the need to interact with others ranks just below our need to sustain life. –Communication is almost as important to us as our reliance on air, water, food, and shelter. The methods that we use to share ideas and information are constantly changing and evolving. –Whereas the human network was once limited to face- to-face conversations. –Early data networks were limited to exchanging character-based information between connected computer systems. Current networks have evolved to carry voice, video streams, text, and graphics between many different types of devices.
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 5 The Global Community Technology is perhaps the most significant change agent in the world today, as it helps to create a world in which national borders, geographic distances, and physical limitations become less relevant, and present ever- diminishing obstacles. The creation of online communities for the exchange of ideas and information has the potential to increase productivity opportunities across the globe. As the Internet connects people and promotes unfettered communication, it presents the platform on which to run businesses, to address emergencies, to inform individuals, and to support education, science, and government.
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 6 The way we live is supported by services derived by the data network It is incredible how quickly the Internet became an integral part of our daily routines. In the course of a day, resources available through the
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This note was uploaded on 02/12/2012 for the course NETWORKING NETW204 taught by Professor Baig during the Spring '09 term at DeVry Addison.

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chap1(new)' - Living in a Network-Centric World Network...

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