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WAN – (wide area network): The computers are in different
geographic locations and are connected by telephone lines or radio
waves.
NWay Protocol
A network protocol that can automatically negotiate the highest
possible transmission speed between two devices.
P
PING
Packet Internet Groper, a utility used to determine whether a
specific IP address is accessible. It functions by sending a packet
to the specified address and waits for a reply. It is primarily used
to troubleshoot Internet connections.
PPPoE
Point-to-Point Protocol over Ethernet. PPPoE is a specification for
connecting the users on an Ethernet to the Internet through a
common broadband medium, such as DSL or cable modem. All
the users over the Ethernet share a common connection.
Protocol
Communication on the network is governed by sets of rules called
protocols. Protocols provide the guidelines devices use to
communicate with each other, and thus they have different
functions. Some protocols are responsible for formatting and
presenting and presenting data that will be transferred from file
server memory to the file server’s net work adapter Others are
responsible for filtering information between networks and
forwarding data to its destination. Still other protocols dictate how
data is transferred across the medium, and how servers respond to
workstation requests and vice versa. Common network protocols
responsible for the presentation and formatting of data for a
network operating system are the Internetwork Packet Exchange
(IPX) protocol or the Internet Protocol (IP). Protocols that dictate
the format of data for transferors the medium include token-
passing and Carrier Sense Multiple Access with Collision
Detection (CSMA/CD),implemented as token-ring, ARCNET,
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FDDI, or Ethernet. The Router Information Protocol (RIP),a part
of the Transmission Control Protocol/Internet Protocol (TCP/IP)
suite, forwards packets from one network to another using the
same network protocol.
R
RARP
Reverse Address Resolution Protocol, a TCP/IP protocol 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.