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Protocol: A protocol is a set of rules for interaction agreed upon among multiple
parties so that when they interface with each other based on such a protocol,
the interpretation of their behavior is well defined and can be made objectively,
without confusion or misunderstanding.
Router: A router is an intelligent network device that forwards packets between
different networks based on network layer address information, such as IP
addresses.
Subnet Mask: A subnet mask, which may be a part of the TCP/IP information
provided by your ISP, is a set of four numbers (e.g., 255.255.255.0) configured
like an IP address. It is used to create IP address numbers used only within a
particular network (as opposed to valid IP address numbers recognized by the
Internet, which must be assigned by InterNIC).
TCP/IP, UDP: Transmission Control Protocol/Internet Protocol (TCP/IP) and
Unreliable Datagram Protocol (UDP). TCP/IP is the standard protocol for data
transmission over the Internet. Both TCP and UDP are transport layer
protocols. TCP performs proper error detection and error recovery, and thus is
reliable. UDP, on the other hand, is not reliable. They both run on top of the IP
(Internet Protocol), a network layer protocol.
WAN: Wide Area Network is a network that connects computers located in
geographically separate areas (e.g., different buildings, cities, countries). The
Internet is a wide area network.
Web-Based Management Graphical User Interface (GUI): Many devices
support a graphical user interface that is based on the Web browser. This
means the user can use the familiar Netscape or Microsoft Internet Explorer to
Control/configure or monitor the device being managed.
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