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Cookie
A Cookie is a piece of data stored on your PC that a web server can retrieve
later to identify your machine. It is normally a text with ID number, but can
include other information.
DHCP
DHCP, short for Dynamic Host Configuration Protocol, is a protocol for
assigning dynamic IP Addresses to devices on a network. Dynamic
Addressing means that a device can have a different IP Address each time it
connects to the network.
Domain Name
A name that identifies one or more IP Addresses. For example, the domain
name microsoft.com represents about a dozen IP Addresses. Domain names
are used in URLs to identify particular Web pages. For example, in the URL
http://www.pcwebopedia.com/index.html, the domain name is
pcwebopedia.com.
DoS
DoS is the abbreviation for Denial of Service. This occurs when a computer or
network is overwhelmed to the point that it can no longer function normally. For
example, a hacker may use fake IP addresses to accumulate numerious
connections to flood the server he wants to attack.
DDNS
DDNS is an acronym for Dynamic Domain Name Service. It helps map the
domain name of a host which has a dynamic public IP address to the IP
address that is allocated each time the ISP assigns a new IP address.
DNS
Short for Domain Name Server, DNS translates domain names into IP
Addresses and help us recognize and remember domain names as they are
alphabetic in form. The Internet actually runs on numbered IP Addresses. DNS
servers translate domain names into their respective IP Addresses.
DSSS
Also known as Direct Sequence Spread Spectrum, it is a radio transmission
method that continuously changes frequencies.
Ethernet
One of the most common Local Area Network (LAN) protocols. Ethernet uses
a bus topology which supports a data transfer rate of 10 Mbps.