CompTIA A+ 220-701: 4.1 – Network Technologies

| Apr 18, 2010 | Comments 2


The fundamental operation of the network uses many different technologies to ensure that traffic will flow properly between devices. In this video module, you’ll learn about status indicators, duplex settings, the difference between workgroups and domains, and much more.


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Filed Under: CompTIA A+ 220-701

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  • tenzin

    Layer 3 switch isn’t router,but its somthing which can do routing internally.

    • http://www.ProfessorMesser.com Professor Messer

      The term “router” doesn’t distinctly refer to a physical device. If you forward packets based on a layer 3 address (such as an IP address), then you’re a router. If you forward packets based on a layer 2 address (such as a MAC address), then you’re a switch. Some devices are both switches AND routers.