Glossary
Bridge | A device that is used
to connected two or more LANs. It operates at the Media Access Control Layer (layer 2) by
checking and forwarding data packets between different LANs. Most bridges use CPU and
software to do the data checking and forwarding function, and their performance is low.
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Hub |
A central device that is used on
star network topology to repeat or amplify signals, allowing the network to be lengthened
or expanded with additional stations. For example, an Ethernet hub normally has 8,12, or
16 RJ-45 port in which each port can be connected to a PC, workstation, or server and the
hubs BNC port can be connected to a coaxial cable to lengthened the network.
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JAVA |
A network programming language
which is designed to solve the problems in the area of client-server programming. It is
ideal for programming on the Internet. JAVA capability is included in most new generation
Internet Web Browsers. For examples, Netscape Communicator ver 4.5 or above, and Microsoft
Explorer 4.0 or above
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JAVA-based Network Management System |
An integration of JAVA applets
and network management functions. The network management software is written in JAVA
language and stored in a network device (Hub, LAN switch,
). The user can manage the
network by an Internet Web Browser. The operation of network management is as simple as
browsing a Web server.
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Network Interface Card (NIC) |
A circuit board that is inserted
into each network station (e.g. PC/Workstation, or server) allows communication with other
stations. Depending on the station configurations, the bus of a NIC could be ISA, PCI,
EISA, MCA, S-bus, and so on.
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Network Management |
The functions to manage and
control the networks. Network management consists of five major functions: fault
management, accounting management, configuration management, performance management and
security management.
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RIP |
RIP is designed to be used as
what is called an Interior gateway Protocol (IGP), a routing protocol that is used within
an autonomous system (an internetwork controlled by a single administrative or technical
authority).
|
RMON |
The functions to monitor the
network performance, errors and other summary information. RMON functions can be
implemented in a network device (e.g. Hub, LAN switch,
) or a station (e.g. PC,
server,
).
|
Router |
A device that operates at the
network layer (layer 3) by routing data between similar or dissimilar networks. A router
is more powerful than a bridge or LAN switch because the router checks the network
protocols and addresses (e.g. IP or IPX,
).
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SNMP |
A standard protocol adopted for
the network management of Internet and UDP/IP based networks.
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Telnet |
Telnet provides a general
bi-directional communications path that integrates terminal devices to a terminal oriented
process on a host machine, thus providing the illusion that the user has a local
connection.
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VLAN |
Virtual LAN supports the function of logical grouping of end stations within a bridged infrastructure. VLAN provides boundaries for broadcast domains. The grouping is dynamic, not location specific. |
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