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Cisco® Networking All-in-One For Dummies® by Edward Tetz

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Chapter 4: Testing Your Core Networking Knowledge

In This Chapter

check.png Examining the OSI network model

check.png Troubleshooting the OSI layers

check.png Checking out the Ethernet packet frame structure

check.png Sharing network media with low- and high-level addressing

check.png Getting a handle on CSMA/CD and CSMA/CA

check.png Analyzing network data with Wireshark

In Chapter 1 of this minibook, you review some of the major components that make up a network, such as switches and routers. In this chapter, you get a little deeper into each of these components. You run up and down through the Open System Interconnection (OSI) model, pausing to examine components that exist at many of the layers. You are also introduced in more depth to the major networking protocols that are used on data networks, such as Transmission Control Protocol/Internet Protocol (TCP/IP). I go into detail right down to seeing how the signaling for the physical network ...

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