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R
RARP Reverse Address Resolution Protocol, a TCP/IP
p
rotocol that allows a physical address, such as an
Ethernet address, to be translated into an IP address.
RJ-45 RJ-45 connector is used for Ethernet cable
connections.
Router A router is the network software or hardware entity
charged with routing packets between networks.
S
Server It is a simple computer that provides resources, such as
files or other information.
SMTP The Simple Mail Transfer Protocol is used for Internet
mail.
SNMP Simple Network Management Protocol. SNMP was
designed to provide a common foundation for
managing network devices.
Station In LANs, a station consists of a device that can
communicate data on the network. In FDDI, a station
includes both physical nodes and addressable logical
devices. Workstations, single-attach stations, dual-
attach stations, and concentrators are FDDI stations.
Subnet mask In TCP/IP, the bits used to create the subnet are called
the subnet mask.