Web Hosting Glossary

A glossary of definitions for Web Hosting and related terms and phrases. Other definitions may apply in different circumstances but are not included.

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Term Definition
File Transfer Protocol

Allows users to upload or download files from a server using a simple program.

Abbreviation(s): FTP

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Firewall

Is a software or hardware gateway that limits access between networks in accordance with local security policy.

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Gateway

A network point that acts as an entrance to another network.

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Gigabyte

A measure of network traffic or storage space. 1 Gigabyte = 1024 Megabytes.

Abbreviation(s): GB

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Google AdSense

An advertising placement service. The program is designed for web site publishers who want to display targeted text, video or image advertisements on web site pages and earn money when site visitors view or click the ads.

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Google Adwords

A Pay Per Click advertising solution by Google that displays related sponsered listings along with the normal listings in a Google search result.

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Hypervisor

A program that allows multiple operating systems to share a single hardware host.

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Internet

Is a worldwide system of computer networks - a network of networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers). It was conceived by the Advanced Research Projects Agency (ARPA) of the U.S. government in 1969 and was first known as the ARPANET.

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Internet Information Server

Microsoft's powerful Web server that can be installed on its Windows server operating systems.

Abbreviation(s): IIS

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Internet Protocol

Is the method or protocol by which data is sent from one computer to another on the Internet. Each computer (known as a host) on the Internet has at least one IP address that uniquely identifies it from all other computers on the Internet.

Abbreviation(s): IP

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Internet Service Provider

A business that provides subscriber-based access to the Internet. Subscribers can be individuals or businesses. ISPs operate at the fourth or lowest level of the Internet. At the third level, regional providers aggregate traffic from lower-order ISPs to the second, backbone level. The highest level in North America is the NAP (Network Access Point), which acts as peer-to peer interconnection points for the largest backbones. ISPs use Internet routers, servers and rack-mounted modems to provide a variety of services, including web site hosting, FTP service, e-mail accounts, unified messaging, audio and video broadcasting, Internet telephony and fax gateway services.

Abbreviation(s): ISP

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InterNic

The Internet Network Information Center. The association of providers of domain name registration, information, and database services to the Internet.

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Kernel-based Virtual Machine

The Linux kernel acts as a Type 2 Hypervisor, streamlining management and improving performance in virtualized environments.

Abbreviation(s): KVM

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Kilobyte

A unit of measurement. 1 Kilobyte = 1024 Bytes.

Abbreviation(s): KB

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Latency

An expression of how much time it takes for a packet of data to get from one designated point to another.

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