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390 Glossary
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D
DHCP Client
A device using DHCP to obtain configuration parameters, such as a network address.
DSCP
DiffServe Code Point (DSCP)
. DSCP provides a method of tagging IP packets with QoS priority information.
Domain
A group of computers and devices on a network that are grouped with common rules and procedures.
DRAC/MC
DRAC/MC
. Provides a single point of control for Dell Modular Server System components.
Duplex Mode
Permits simultaneous transmissions and reception of data. There are two different types of duplex mode:
•
Full Duplex Mode
— Permits for bisynchronous communication, for example, a telephone. Two parties
can transmit information at the same time.
•
Half Duplex Mode
— Permits asynchronous communication, for example, a walkie-talkie. Only one party
can transmit information at a time.
E
Egress Ports
Ports from which network traffic is transmitted.
End System
An end user device on a network.
Ethernet
Ethernet is standardized as per IEEE 802.3. Ethernet is the most common implemented LAN standard.
Supports data transfer rates of Mpbs, where 10, 100 or 1000 Mbps is supported.
EWS
Embedded Web Server
. Provides device management via a standard web browser. Embedded Web Servers are used
in addition to or in place of a CLI or NMS.