Subnet - A portion of a network. Each subnet within a network shares a common network address and is uniquely identified by a subnetwork number.
Subnet Mask - A
TCP/IP - Transmission Control Protocol/Internet Protocol is the basic communication protocol of the Internet. It supports sending information in packets, and identifies each device with a unique numeric IP address.
VPN - A Virtual Private Network is a virtual network that encrypts data and sends it privately over the Internet to protect sensitive information.
WAN - A Wide Area Network is a geographically distributed network composed of multiple networks joined into a single large network. The Internet is a global WAN.
WLAN - A Wireless Local Area Network is a LAN with wireless connections instead of physical connections.
Page 32