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Eleventh Hour Network+ by Naomi Alpern

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CHAPTER 7 Wide Area Networking

A wide area network (WAN) is a computer network covering a wide geographical area, including more than one remote location. The geographically dispersed locations are interconnected, thus forming a WAN.

What Is a WAN?

Fast Facts

WANs may be created in different configurations, with the most common being some combination of public networks and private networks.

  • Public networks are publicly accessed and connected to the Internet. They may use Internet Protocol Security (IPSec) or a virtual private network (VPN) to build a WAN over the Internet.
  • Private networks are point-to-point network links, which are separated from the public Internet either physically or virtually. They may use Frame Relay or Multiprotocol ...

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