computers. When uploading or downloading, one computer can be regarded as FTP sever,
the other is client terminal.
Gateway
A gateway is a network point that acts as an entrance to another network. In a network for
an enterprise, a computer server acts as a gateway node, and also a proxy server and a
firewall server.
IP address
An IP address is a 32-bit number that identifies each sender or receiver of information that is
sent in packets across the Internet. An IP address has two parts: the identifier of a particular
network on the Internet and an identifier of the particular device (which can be a server or a
workstation) within that network.
Internet Protocol
The Internet Protocol (IP) is the method or protocol by which data is sent from one computer
to another on the Internet. When you send or receive data (for example, an e-mail note or a
Web page), the message gets divided into little chunks called packets. Each of these packets
contains both the sender's Internet address and the receiver's address. The Internet Protocol
just delivers them.
IMAP
IMAP (Internet Message Access Protocol) is a standard protocol for accessing e-mail from
your local server. IMAP requires continual access to the server during the time that you are
working with your mail.
An alternative protocol is Internet Message Access Protocol (IMAP). IMAP provides the user
more capabilities for retaining e-mail on the server and for organizing it in folders on the
server. IMAP can be thought of as a remote file server.
MAC address
In a local area network (LAN) or other network, the MAC (Media Access Control) address is
your computer's unique hardware number. (On an Ethernet LAN, it's the same as your
Ethernet address.)
LAN
A local area network (LAN) is a group of computers and associated devices that share a
common communications line or wireless link and typically share the resources of a single
processor or server within a small geographic area (for example, within an office building).
JPEG
JPEG (pronounced "jay-peg) is a format that is commonly used for color images displayed on
the Internet. JPEG reduces the file size of an image by discarding some of the non-critical
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