CRADLEPOINT
CBR450| USER MANUAL Firmware ver. 3.3.0
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PAGE 115
Demilitarized zone
DMZ: A single computer or group of computers that can
be accessed by both users on the internet as well as
users on the Local Network, but that is not protected by
the same security as the Local Network.
DHCP
Dynamic
Host
Configuration
Protocol:
Used
to
automatically assign IP addresses from a predefined pool
of addresses to computers or devices that request them.
Digital certificate
An electronic method of providing credentials to a server
in order to have access to it or a network.
Direct Sequence Spread Spectrum
DSSS: Modulation technique used by 802.11b wireless
devices.
DMZ
―Demilitarized Zone‖. A computer that logically sits in a
―no-mans-land‖ between the LAN and the WAN. The
DMZ computer trades some of the protection of the
router‘s security mechanisms for the convenience of
being directly addressable from the internet.
DNS
Domain Name System: Translates Domain Names to IP
addresses.
Domain name
A name that is associated with an IP address.
Download
To send a request from one computer to another and
have the file transmitted back to the requesting computer.
DSL
Digital Subscriber Line. High bandwidth internet
connection over telephone lines.
Duplex
Sending and Receiving data transmissions at the same
time.
Dynamic DNS service
Dynamic DNS is provided by companies to allow users
with Dynamic IP addresses to obtain a Domain Name
that will always be linked to their changing IP address.
The IP address is updated by either client software
running on a computer or by a router that supports
Dynamic DNS, whenever the IP address changes.
Dynamic IP address
IP address that is assigned by a DHCP server and that
may change. Cable internet providers usually use this
method to assign IP addresses to their customers.
EAP
Extensible Authentication Protocol.
Electronic Mail is a computer-stored message that is
transmitted over the internet.
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