Gateway
A device that connects your network to another, like the Internet.
Gbps
Gigabits per second.
Gigabit Ethernet
Transmission technology that provides a data rate of 1 billion bits
per second.
GUI
Graphical user interface.
H.323
A standard that provides consistency of voice and video
transmissions and compatibility for video conferencing devices.
Half-duplex
Data cannot be transmitted and received at the same time.
Hashing
Transforming a string of characters into a shorter string with a
predefined length.
Hexadecimal
Characters 0-9 and A-F.
Hop
The action of data packets being transmitted from one router to
another.
Host
Computer on a network.
HTTP
Hypertext Transfer Protocol. Used to transfer files from HTTP
servers (web servers) to HTTP clients (web browsers).
HTTPS
HTTP over SSL is used to encrypt and decrypt HTTP
transmissions.
Hub
A networking device that connects multiple devices together.
ICMP
Internet Control Message Protocol.
IEEE
Institute of Electrical and Electronics Engineers.
IGMP
Internet Group Management Protocol. Used to make sure that
computers can report their multicast group membership to
adjacent routers.
IIS
Internet Information Server. A WEB server and FTP server
provided by Microsoft.
IKE
Internet Key Exchange. Used to ensure security for VPN
connections.
Infrastructure
In terms of a wireless network, this is when wireless clients use
an access point to gain access to the network.
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