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FCC (Federal Communications Commission)
The FCC (Federal Communications Commission) is in charge of allocating the
electromagnetic spectrum and thus the bandwidth of various communication systems.
Firewall
A hardware or software "wall" that restricts access in and out of a network. Firewalls
are most often used to separate an internal LAN or WAN from the Internet.
Flash memory
A nonvolatile storage device that can be electrically erased and reprogrammed so that
data can be stored, booted and rewritten as necessary.
FTP (File Transfer Protocol)
File Transfer Protocol is an Internet file transfer service that operates on the Internet
and over TCP/IP networks. A system running the FTP server accepts commands from
a system running an FTP client. The service allows users to send commands to the
server for uploading and downloading files.
Gateway
A gateway is a computer system or other device that acts as a translator between two
systems that do not use the same communication protocols, data formatting structures,
languages and/or architecture.
HTTP (Hyper Text Transfer Protocol)
The most common protocol used on the Internet. HTTP is the primary protocol used
for web sites and web browsers. It is also prone to certain kinds of attacks.
HTTPS (HyperText Transfer Protocol over Secure Socket Layer)
HyperText Transfer Protocol over Secure Socket Layer, or HTTP over SSL is a web
protocol that encrypts and decrypts web pages. Secure Socket Layer (SSL) is an
application-level protocol that enables secure transactions of data by ensuring
confidentiality (an unauthorized party cannot read the transferred data), authentication
(one party can identify the other party) and data integrity (you know if data has been
changed).
ICMP (Internet Control Message Protocol)
A message control and error-reporting protocol between a host server and a gateway
to the Internet ICMP uses Internet Protocol (IP) datagram, but the messages are
processed by the TCP/IP software and are not directly apparent to the application
user.
IM (Instant Messaging)
IM (Instant Messaging) refers to chat applications. Chat is real-time, text-based
communication between two or more users via networked-connected devices.
IP (Internet Protocol)
(Currently IP version 4 or IPv4) The underlying protocol for routing packets on the
Internet and other TCP/IP-based networks.
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