Installation guide
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E
Enterprise network An enterprise network consists of collections of networks
connec
ted to each other over a geographically dispersed area. The
enterprise network serves the needs of a widely distributed
company and operates the company’s mission-critical
applications.
Ethernet The most popular LAN communication technology. There are a
variety of types of Ethernet, including 10Mbps (traditional
Ethernet), 100Mbps (Fast Ethernet), and 1,000Mbps (Gigabit
Ethernet). Most Ethernet networks use Category 5 cabling to carry
information, in the form of electrical signals, between devices.
Ethernet is an implementation of CSMA/CD that operates in a bus
or star topology.
F
Fast Ethernet Fast Ethernet, also called 100BASE-T, operates at 10 or 100Mbps
per second over UTP, STP, or fiber-optic media.
Firewall Firewall is considered the first line of defense in protecting
private information. For better security, data can be encrypted. A
system designed to prevent unauthorized access to or from a
private network. Firewalls are frequently used to prevent
unauthorized Internet users from accessing private networks
connected to the Internet, especially Intranets all messages
entering or leaving the intranet pass through the firewall, which
examines each message and blocks those that do not meet the
specified security criteria.
G
Gateway A gateway links computers that use different data formats
together.
Group Groups consist of several user machines that have similar
characteristics such as being in the same department.
H
HEX Short for hexadecimal refers to the base-
16 number system, which
consists of 16 unique symbols: the numbers 0 to 9 and the letters
A to F. For example, the decimal number 15 is represented as F in
the hexadecimal numbering system. The hexadecimal system is
useful because it can represent every byte (8 bits) as two
consecutive hexadecimal digits. It is easier for humans to read
hexadecimal numbers than binary numbers.










