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A standard that provides consistency of voice and video transmissions and compatibility for
videoconferencing 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 is 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
I
ICMP
Internet Control Message Protocol
IEEE
Institute of Electrical and Electronics Engineers
IGMP
Internet Group Management Protocol is used to make sure that computers can report their
multicast group membership to adjacent routers
IIS
Internet Information Server is a WEB server and FTP server provided by Microsoft
IKE
Internet Key Exchange is used to ensure security for VPN connections
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