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to a different network or subnet.
‧
IP Address
It is a 32-binary digit number that provides the source or destination information on the
Internet.
‧
ISP
(
I
nternet
S
ervice
P
rovider)
It is a company that provides individuals and companies the access to the Internet.
‧
LAN
(
L
ocal
A
rea
N
etwork)
It consists a group of computers and network devices that communicate with each other over a
network and share the resources of a single processor or server within a small geographic area.
‧
MAC Address
(
M
edia
A
ccess
C
ontrol Address)
It is a unique number assigned to any Ethernet network device by the device manufacture. It
enables the network to identify the device at the hardware level
‧
MSN Messenger
It is Microsoft Internet message exchange software and enables you to have real-time chat,
even via videoconference, with another user.
‧
NAT
(
N
etwork
A
ddress
T
ranslation) (Broadband Switch)
Network Address Translation can translate the source IP address of a LAN client to the IP
address of a WAN client before forwarding a packet from the LAN to the WAN. When the
packet returns, NAT translates the destination address from a WAN client to the address of a
LAN client before forwarding the packet back to the LAN client. When only one WAN IP
address is available, NAT can translate the only WAN IP address into multiple LAN IP
addresses for the LAN clients. Therefore the LAN clients “share” the only one WAN IP
address, and it is called “Broadband Switch.”
‧
NetMeeting
It is Microsoft conferencing tool and enables individuals to hold teleconference via the
Internet. It supports Voice on the Net, Chat Sessions, a Shared Whiteboard, Application and
Document Sharing, and File Transfer etc.
‧
POP3
(
P
ost
O
ffice
P
rotocol
3
)
Post Office Protocol 3 is a standard mail server application used on the Internet. It stores your
incoming e-mail. When you connect to the server and download the e-mail, the stored e-mail
will be transmitted to you and deleted from the server at the same time.
‧
Port
It is a pathway of network device, such as a switch or a router. It can make connection
between the LAN and the WAN via the network device.
‧
Port Number
In a TCP/IP network, a port number is assigned to an application program running in the
computer. The port number is included in the transmitted packets and will link the data to the
correct service. Well-known ports include port 21 for FTP and port 80 for HTTP.
‧
PPPoE
(
P
oint to
P
oint
P
rotocol
o
ver
E
thernet)
It enables a point-to-point connection to be established in the normally multipoint architecture
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