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A.3 Glossary of Terms
NUMBERS
10BASE-T
10BASE-T is Ethernet over UTP Category III, IV, or V unshielded twisted-pair media.
100BASE-TX
The two-pair twisted-media implementation of 100BASE-T is called 100BASE-TX.
A
ADPCM
Adaptive Differential Pulse Code Modulation, a new technology improved from PCM,
which encodes analog sounds to digital form.
AMR
AMR (Adaptive Multi-Rate) is an audio data compression scheme optimized for speech
coding, which is adopted as the standard speech codec by 3GPP.
Applet
Applets are small Java programs that can be embedded in an HTML page. The rule at
the moment is that an applet can only make an Internet connection to the computer
form that the applet was sent.
ASCII
American Standard Code For Information Interchange, it is the standard method for
encoding characters as 8-bit sequences of binary numbers, allowing a maximum of 256
characters.
ARP
Address Resolution Protocol. ARP is a protocol that resides at the TCP/IP Internet layer
that delivers data on the same network by translating an IP address to a physical
address.
AVI
Audio Video Interleave, it is a Windows platform audio and video file type, a common
format for small movies and videos.
B
BOOTP
Bootstrap Protocol is an Internet protocol that can automatically configure a network
device in a diskless workstation to give its own IP address.
C
Communication
Communication has four components: sender, receiver, message, and medium. In
networks, devices and application tasks and processes communicate messages to
each other over media. They represent the sender and receivers. The data they send is
the message. The cabling or transmission method they use is the medium.
Connection
In networking, two devices establish a connection to communicate with each other.
D
DHCP
Developed by Microsoft, DHCP (Dynamic Host Configuration Protocol) is a protocol for
assigning dynamic IP addresses to devices on a network. With dynamic addressing, a
device can have a different IP address every time it connects to the network. In some
systems, the device's IP address can even change while it is still connected. It also
supports a mix of static and dynamic IP addresses. This simplifies the task for network
administrators because the software keeps track of IP addresses rather than requiring
an administrator to manage the task. A new computer can be added to a network
without the hassle of manually assigning it a unique IP address. DHCP allows the
specification for the service provided by a router, gateway, or other network device that
automatically assigns an IP address to any device that requests one.
DNS
Domain Name System is an Internet service that translates domain names into IP
addresses. Since domain names are alphabetic, they're easier to remember. The
Internet however, is really based on IP addresses every time you use a domain name
the DNS will translate the name into the corresponding IP address. For example, the
domain name www.network_camera.com might translate to 192.167.222.8.
E
Enterprise network
An enterprise network consists of collections of networks connected to each other over
a geographically dispersed area. The enterprise network serves the needs of a widely