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network are:
LAN – (local area network): Computers are in close distance
to one another. They are usually in the same office space,
room, or building.
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
PCM
PCM (Pulse Code Modulation) is a technique for converting
analog audio signals into digital form for transmission.
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).