XLME post - Learning Module E NETWORKS Randall Arakawa...

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Learning Module E NETWORKS NETWORKS Randall Arakawa Randall Arakawa DePaul University DePaul University MIS 140 MIS 140 *Remember the specifications included will be the ones you will be responsible for on the exam.
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Sharing and Communicating Information Externally Internally NETWORK connection of 2 or more IT components sharing resources TELECOMMUNICATIONS the electronic movement of information.
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Why have a Network? 1. Sharing of software 2. Sharing of information 3. Sharing of peripheral devices 4. Communicating with other people 5. Sharing of processing power NETWORK OPERATING SYSTEM (NOS) Like Computer Operating Systems
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Types of Networks Peer-to-peer vs. Client/Server. Geographic distance Physical structure Ownership
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PEER-TO-PEER NETWORK communication sharing - peripheral devices. CLIENT/SERVER NETWORK contains “servers” that provide some type of service to “clients”. a business model a technical implementation model. Types of Networks
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Client/Server Implementations 5 client/server implementation models. Where does the processing occur ? 1. Presentation of information 2. Logic or business rules 3. DBMS and database
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Client/Server Implementations Client Server MODEL 1: Distributed Presentation P D L MODEL 2: Remote Presentation P D L MODEL 3: Distributed Logic P D L MODEL 4: Remote Data Management P D L MODEL 5: Distributed Data Management P D L
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Client/server Advantages
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  • Spring '11
  • Henderson
  • Computer network, Peripheral Devices, Client-server, client/server network, client/server implementation models

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