Devices and Components Commonly 
Found in the LAN-to-WAN Domain

The LAN-to-WAN Domain represents a point of transition between more secure LANs and far less secure WANs. In this section, you’ll learn about the devices and components you’ll commonly find in the LAN-to-WAN Domain. Once you’ve learned about the devices and components, you’ll learn about controls to ensure compliance in the LAN-to-WAN Domain.

Routers

A router is a network device that connects two or more separate networks. In the context of the LAN-to-WAN Domain, a router makes the actual connection between the LAN and the WAN. A router can be a standalone network device or it can be software that runs on a computer. In either case, the hardware must contain at least two network ...

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