WAN Terminology
Networking - Wide Area Network
WAN - Wide Area Network A WAN covers a large area that often will extend across local, regional and national borders. The Internet is an example of a WAN which covers the globe. In addition to the distance that it covers, a WAN also uses a great deal of public transports (like the phone system) to carry signals. WANs can be completely private however. The speed of a WAN is usually slower because of distance and the use of the public transports which have a great variety of equipment quality.




Demarc: Boundary between in-house wiring and service provider’s wiring.

Demarcation Point: Spot where the service provider’s responsibility ends and the CPE begins.

CPE: Wiring and equipment on the customer’s side.

Local loop: Wiring running from demarc to CO.

CO (central office): Local loop of wiring gains access to the high-speed network of the service provider.

Toll network: Trunk lines inside a provider’s network.

Hosts- Used to provide static mapping between host and addresses

SMTP (Simple Mail Transport Protocol)- Governs the control of email transmission over networks.

SNMP (Simple Network Management Protocol)-Protocol that allows the administrator to control and monitor the network. Also allows the configuration and statistics collection of the network.

HTTP (HyperText Transfer Protocol)- Used to support the exchange of information on the web.

Netstat - Used to provide statistics about TCP

Dial on Demand (DDR)- can filter only traffic you want to pass through your router lowers cost.

Telnet –Used mostly to remotely enter router configuration files.

Windows machine go to Run and type “telnet” and the bottom screen will appear.


advanced tcp/ip

 POP3 (Post Office Protocol)-A standard for allowing users to leave there mail on a mail server. This allows users to download the email with different levels of security.

ftp explorer