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Network
A Network is a collection of computers and other
computer equipment that are connected for the
purpose of exchanging information or sharing resources.
Networks vary in size, some are within a single room,
others span continents.
Ping
Packet Internet Groper. An internet utility used to
determine whether a particular IP address is online. It is
used to test and debug a network by sending out a
packet and waiting for a response.
Protocol
A set of rules for communication between devices on a
network. The rules dictate format, timing, sequencing
and error control.
RJ-45
A standard connector used to connect Ethernet
networks. The "RJ" stands for "registered jack."
Server
A computer in a network that is shared by multiple end
stations. Servers provide end stations with access to
shared network services such as computer files and
printer queues.
SFP
Small From Factor Pluggable (SFP) Connectors are based
on an open standard that enables hot swapping of
various type of fiber optic and copper-based transceivers
into the host equipment.
Subnet Address
An extension of the IP addressing scheme that allows a
site to use a single IP network address for multiple
physical networks.
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 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 assigned by
InterNIC).
Subnets
A network that is a component of a larger network.
Switch
A device that interconnects several LANs to form a
single logical LAN that comprises of several LAN
segments. Switches are similar to bridges, in that they
connect LANs of a different type; however they connect
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