Networking Foundations: Technology Fundamentals for IT by Patrick Ciccarelli

By Patrick Ciccarelli

Any aspiring IT expert can reap the benefits of a company knowing of the applied sciences on which LANs, WANs, and different networks are equipped. Networking Foundations assumes no past wisdom of networking and offers a great creation to the most important issues concerned, explaining the basics of networking simply with tangible examples. while you are new to the sector of community management, you'll get pleasure from this book's undemanding procedure and abundance of precious info.

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The session can then be set up. At the same time the receiver sends the acknowledgment, it also sends a syn packet; this is necessary for two-way communication to occur. At the end of the session, the sender transmits an acknowledgment to request an end to the session. When the communication session ends, protocols at the Session layer are responsible for its termination. Communication Models The Session layer of the receiving device works with the Session layer of the sending device to set up the rules of communication.

Both make use of an icon called My Network Places for viewing resources available on the network. By right-clicking on the My Network Places icon and selecting Properties, you can easily view your current configured network connections. Available in both versions of Windows is an autodetection feature that can identify your network hardware and automatically set up the software and drivers that will work with your network card and on the most common networks. The exercise that follows will take you through the process of installing a network adapter, selecting a protocol driver, and adding file- and print-sharing capabilities.

These layers make up a framework that defines the way in which information passes between physical hardware devices and moves along its path until eventually it is in a format that is usable by applications and people. Each layer of the OSI model is independent from every other in its purpose and responsibilities. Each must do its own job, as well as provide the ability for information to move between the layers above and below it. In this way, the model creates a modular system where functions can be isolated to their respective layers.

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