View DELL Service Tag and Express Service Code From Linux and Windows

When you call DELL customer support for any help, they will ask for either Service Tag or Express Service Code. You also need service tag to download drivers and documentations from DELL support website. When you have physical access to the system, you can easily identify the service tag affixed on the body of the server. DELL support site shows […]

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How the Network Access Layer Works

The Network Access Layer it is the layer responsible for interfacing with your network’s architecture- something the everyday user can’t see. As we can’t physically interact with the Network Access Layer, how it works often eludes networking students. If you haven’t already, you may wish to read the previous section on encapsulation- we will be reviewing part of the encapsulation […]

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An Introduction to TCP/IP

TCP/IP , or Transmission Control protocol/Internet Protocol, is literally the backbone of internet and network communication. The concepts of TCP/IP are difficult to grasp without previous experience, so don’t be dismayed if it doesn’t click instantly. To better help you out, we’ll start from the very beginning- with a definition of just what a network is. Networks, Protocols, and Suites, […]

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The TCP/IP Stack and the OSI Model

In the previous section, we learned that TCP/IP is a suite of protocols and rules. It allows us to communicate with other computers and devices over a connection oriented network. What we didn’t cover was the TCP/IP and OSI model- which helps us understand the TCP/IP suite in a manner of layers and modules. The TCP/IP Model and Modular Design […]

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