Intermediary Devices

Modem

Device or program that enables a computer to transmit data.

Router

A device that forwards data packets between networks.

Firewall

Allows or blocks traffic into and out of a private network or the user's computer.

POE

Allows the electrical current necessary for the operation of each device to be carried by the data cables rather than by power cords.

Hub

Extends the reach of a network by regenerating the electrical signal.

WEP

Insecure,first encryption algorithm for IEEE 802.11 wireless networks.

Switch

Network device that is used to connect segments of a LAN or multiple LANs, and to filter and forward packets among them.

Repeater

Network device that is used to regenerate or replicate signals that are weakened or distorted by transmission over long distances and through areas with high levels of EMI.

Patch Panel

Network ports held together within telecommunication closets that connect incoming and outgoing local area network lines or other communication, electronic and electrical systems.

WPA2

most secure of the 3 encryption tools.

Access Point

networking hardware device that allows wireless devices to connect to a wired network using Wi-Fi, or related standards.

Bridge

older technology that filters data traffic between LAN segments.