Devices and Components Commonly Found in the WAN Domain

The WAN Domain exists to transport network messages from one node to another. In most cases, the WAN is a network that is owned and managed by some other entity. Your ability to affect the WAN’s security is limited or nonexistent. You must ensure that you transmit data across the WAN in a secure fashion using secure protocols and techniques. In this section, you will learn about the devices and components you’ll commonly find in the WAN Domain that support communication, both secure and unsecure. Once you’ve learned about the devices and components, you will learn about controls to ensure compliance in the WAN Domain.

WAN Service Providers

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