2INTRODUCTION TO TELECOMMUNICATION AND NETWORKSExecutive summary..........................................................................................................................2Introduction.....................................................................................................................................4A. Network infrastructure................................................................................................................4A.1 Convergence..........................................................................................................................4A.2 LAN.........................................................................................................................................5A.3 WAN.......................................................................................................................................6A.4 Connecting media and devices..............................................................................................7A.5 IP and DNS.............................................................................................................................7B. Networked services.....................................................................................................................7B.1 Service 1.................................................................................................................................7B.2 Service 2.................................................................................................................................8B.3 Service 3.................................................................................................................................8B.4 Service 4.................................................................................................................................8C. Data processing facilities.............................................................................................................8C.1 Data storage...........................................................................................................................8C.2 Data processing......................................................................................................................9Conclusion......................................................................................................................................10Recommendations.........................................................................................................................10References.....................................................................................................................................11

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