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DI-724U User’s Manual
D-Link Systems, Inc.
Appendix
Direct Sequence Spread Spectrum
– DSSS. Modulation technique used by 802.11b wireless devices
DNS – Domain Name System.
Translates Domain Names to IP addresses
DOCSIS –
Data Over Cable Service Interface Specifications. The standard interface for cable modems
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 sane time
Dynamic DNS service –
DDNS is provided by companies to allow users with Dynamic IP addresses to obtain
a Domain Name that will always by 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 DDNS, 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.
E
EAP –
Extensible Authentication Protocol
Email –
Electronic Mail is a computer-stored message that is transmitted over the Internet
Encryption –
Converting data into cyphertext so that it cannot be easily read
Enterprise –
Large organizations that use computers
Ethernet –
The most widely used technology for Local Area Networks.
F
Fiber optic –
A way of sending data through light impulses over glass or plastic wire or fiber
File server –
A computer on a network that stores data so that the other computers on the network can all
access it
File sharing –
Allowing data from computers on a network to be accessed by other computers on the network
will different levels of access rights
Firewall –
A device that protects resources of the Local Area Network from unauthorized users outside of the
local network
Firmware –
Programming that is inserted into a hardware device that tells it how to function
Fragmentation –
Breaking up data into smaller pieces to make it easier to store
FTP –
File Transfer Protocol. Easiest way to transfer files between computers on the Internet
Full-duplex –
Sending and Receiving data at the same time
G
Gain –
The amount an amplifier boosts the wireless signal
Gateway –
A device that connects your network to another, like the internet
Gbps –
Gigabits per second
Gigabit Ethernet –
Transmission technology that provides a data rate of 1 billion bits per second
Graphical user interface –
GUI
