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D
Channel
A
channel that carries WAN synchronization information on a
line using ISDN.
Data
transfer
In
Web hosting, the total size of files transferred by an account
in a month.
Database
Data
in a structured format stored on a web server. When
we speak of databases for web hosting we are usually talking
about web sites that need to add, delete, and update large
quantities of information via the web. There are many different
types of database systems available. Some of these include
MS Access, MySQL, SQL Server, and Oracle Databases. If you
plan on using ASP more than likely you will need your hosting
company to have a database.
Dedicated
Server
Similar
to co-location, except that you lease or rent hardware from
a Web host. A dedicated server is one that a web hosting
company has dedicated to a single client. In other words,
only one client can access that server and that company’s
site is the only one residing on that server.
DHCP
Dynamic
Host Configuration Protocol. An automated way of obtaining
an IP address in the Local Area Network.
Dial
up
Dialup
access is a way of connecting a computer to the Internet using
a modem and the telephone line. It is rather slow and blocks
the telephone line.
DNS
DNS
stands for Domain Name System and is a distributed, replicated
system which allows nameservers to map domain names to an
IP number.
Domain
name
Domain
name is an easy-to-remember address that can be translated
by DNS into server's IP address. The unique name that
identifies an Internet site. Domain Names always have 2 or
more parts, separated by dots. The part on the left is the
most specific, and the part on the right is the most general.
DSL
Digital
Subscriber Line. A better way of connecting a computer to
the Internet using the telephone line. It's faster than the
dialup and doesn't block the telephone line. However, it is
more expensive because the special equipment is required.
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