LEC09_v4 - BUSI1003 Introduction to Management Information...

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1 BUSI1003 Introduction to Management Information Systems LEC09 Telecommunications, Networks, the Internet and Wireless Revolution References: References: Laudon, K. C. and Laudon, J. P., Management Information Systems: Managing the Digital Firm, 9th edition, Prentice- Systems: Managing the Digital Firm, 9th edition, Prentice- Hall, 2006. Hall, 2006.
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2 Topics Topics Telecommunications & Networks Brief Introduction on Internet & Network Types Internet Services Wireless Revolution
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3 Telecommunications environment provides connectivity by providing communication channels for text, voice, and video images. The network infrastructure for a large corporation consists of many different kinds of networks for both data and voice communication. Most of these different kinds of networks are moving towards a common Internet foundation. The Business The Business Telecommunications Environment Telecommunications Environment
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4 Components of a Network Components of a Network
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5 Corporate Network Infrastructure Corporate Network Infrastructure
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6 Types of Networks Types of Networks Local Area Network (LAN) Up to 500 meters (half a mile); an office or floor of a building Campus Area Network (CAN) Up to 1,000 meters (a mile); a college campus or corporate facility Metropolitan Area Network (MAN) A city or metropolitan area Wide Area Network (WAN) Transcontinental or global area
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7 Network Considerations Network Considerations Reliability Measurement: Mean Time Between Failure Response time Scalability Security Cost effective Support Business Strategy and Operations
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8 The Internet is not one network but a network of networks made up of thousands of networks of national and state government agencies, non- profit organizations and for-profit companies.
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