DHCP (Dynamic Host Configuration Protocol)
A protocol used to automatically assign an IP address to each device on a
network.
DHCP server
This server dynamically manages a pool of IP addresses for use on a
network or the Internet. When a user logs in, the server “loans” the user an
IP address for the duration of the network connection. When a user logs off,
the IP address is returned to the pool for use by another device.
Digital Certificate
An electronic means of proving the identity of a network user or device.
Certificates contain detailed information about the user's device in a
standard format. Digital certificates are typically issued by a trusted third-
party Certificate Authority (CA). Locally administered, or self-signed,
certificates are valid in some instances.
EAP
Extensible Authentication Protocol (EAP) is a general protocol for
authentication that also supports multiple authentication methods, such as
token cards, one-time passwords, certificates, and public key authentication.
Encryption keys
A sequence of characters or digits that a wireless device uses to encode
data. Encryption keys can be static (as they are in WEP) or dynamic (as they
are in WPA).
Encryption
A network security that encodes the data sent across a wireless network
making the data unintelligible to unauthorized users. The printer supports
WEP and WPA.
Ethernet cable
There are two types of Ethernet cables. A straight-through cable is the most
common and is used to connect devices on a network to a hub or router. A
crossover cable is used to connect two devices that have Ethernet ports but
that are not hubs or routers. Use a CAT-5 straight-through cable with an
RJ-45 plug to connect the printer to an Ethernet network.
Ethernet
A popular form of wired computer networking for Local Area Networks.
EWS (embedded Web server)
A server that is completely contained within a device. An EWS provides
management information about the device. This is helpful for managing
single devices on a small network. By using a Web browser to access an
EWS, network users can perform such operations as obtaining network
printer status updates, simple troubleshooting, and changing device
configuration setting.
Firewall
A combination of hardware and software tools that protects a network from
unwanted entry.
42 Glossary ENWW
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