Chapter 1. Network Devices and Services

As today’s networks increase in complexity and importance, more and more networking devices and networking services are available. This chapter ensures that you can compare and contrast these various components. Combined with the Flash Cards and practice questions of this text, you can confidently answer the many potential questions regarding these devices and service technologies.

Network Devices

You might encounter more than this list of network devices in your real-world experiences, but this list in the Quick Reference Sheets shows the devices you must know to be successful on the Network+ exam.

Routers—Perhaps one of the most famous of the network devices, the router operates primarily at Layer 3 ...

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