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Nokia Routers and Multi Layer Switches   Nokia (Formerly Alcatel-Lucent) has a very competitive and reliable network devices like its top rival vendors,Cisco, Juniper and Huawei. Especially Routers and Multi 
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Almost all Network Engineers have realized that, they can access specific subnets and devices but they can not access the others. One of the ways to do this is IP 
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TCPIP Model Overview TCP IP Model is another important referance model beside OSI Model in network world. OSI Referance Model was Seven Layered model, TCPIP Model is Four Layered or 
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OSI Model and TCP/IP Model Communication in a network has different layers and these different layers are mentioned in two different models. In other words,there are two common models in 
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What is AAA? AAA is the abbreviation for Authentication, Authorization and Accounting terms. This mechanims provide security and some user specific steps for a user that access to the Enterprise 
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