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Glossary of Terms -
With special thanks to all of our contributors.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Carrier is a telephone company (often referred to as a Telco) or other company that sells or rents telecommunication transmission services. Whilst at one time this was predominantly BT many other companies have now built networks by investing in their own infrastructure or leasing bandwidth from other Carriers. Today there are a number of competing Telcos and ISPs (Internet Service Providers) that offer bandwidth and communication services to businesses and consumers.
CDMA (Code Division Multiple Access)
A protocol for wireless data and voice communication, CMDA is widely used in cellphone networks, but also in many other data communications systems. CDMA uses a technique called "Spread Spectrum" whereby the data being transmitted is spread across multiple radio frequencies, making more efficent use of available radio spectrum. There are a number of additional protocols built on top of CDMA, such as 1xRTT (also called CMDA2000).
An issuer of Security Certificates used in SSL connections.
CGI (Common Gateway Interface)
A set of rules that describe how a Web Server communicates with another piece of software on the same machine, and how the other piece of software (the ?CGI program?) talks to the web server. Any piece of software can be a CGI program if it handles input and output according to the CGI standard.
The most common name of a directory on a web server in which CGI programs are stored.
Chat is the word used for online typed discussions with other users of the World
Wide Web, in real time. Chat Rooms on the web allow you to link up with other users,
possibly on the other side of the world, and enjoy an exchange of information using
your keyboard for input. A chat room or chatroom is an online site in which people
can chat online (talk by broadcasting messages to people on the same site in real
time). Internet relay chat is a particular chat room system found on the World Wide
Web. Instant messaging or IM is a form of real-
Cisco systems have been a global supplier of data solutions since it was founded in 1984 by a small group of computer scientists from Stanford University. Most of the Cisco growth was seen in the 1990's through a series of acquisitions.
The core of Cisco solutions is its routing and switching product portfolio. The company claims to have nearly 90% of the routing market in the EMEA region, and nearly 70% of the switching market.
Their three broad marketing areas are;
- Routing and Switching
- Service Provider
- Advanced Technologies
Within the advanced technologies market are the following areas;
- Home Networking
- Optical
- Storage Networking
- Wireless LAN
- Network Security
- IP Telephony
Cisco has more than 66,000 employees worldwide and revenues of $8.2billion. Apart from hardware, they provide a variety of services to customers including technical support and consultative services.
Cisco sells primarily through channel partners to large and small enterprises, service providers and consumers.
CISSP -
CISSP is one of the premiere Information Security accreditations, governed by the ISC2 (International Systems Security Certification Consortium).
Prior to taking the CISSP examination, candidates need to subscribe to the ISC2 Code of Ethics and meet either of the following requirements:
- A minimum of four years of direct full-
time security professional work experience in one or more of the ten domains of the CISSP CBK. - Three years of direct full-
time security professional work experience in one or more of the ten domains of the CBK with a college degree.
CISSP candidates cover the ten Information System Security domains in the Common Body of knowledge (CBK):
- Access Control Systems and Methodology
- Applications and Systems Development
- Business Continuity Planning
- Cryptography
- Law, Investigation and Ethics
- Operations Security
- Security Architecture and Models
- Security Management Practices
- Telecommunications, Network and Internet Security
The ten domains of the CBK are then assessed over a six hour exam which entails 250 multiple choice questions.
Subsequently, every three years re-
A software program that is used to contact and obtain data from a Server software program on another computer, often across a great distance. Each Client program is designed to work with one or more specific kinds of Server programs, and each Server requires a specific kind of Client. A Web Browser is a specific kind of Client.
The “cloud” is a simplified way of referring to the large and complex interior of carriers’ networks.
Often appearing on network diagrams, the cloud is used to differentiate point-
These non point-
Most often used to refer to having a server that belongs to one person or group physically
located on an Internet-
...
A computer is a machine for manipulating data according to a list of instructions known as a program. Computers come in many shapes and sizes, and frequently, disguises. A computer may be the PC System you use or a laptop. But "embedded computers" are also found in mobile phones, digital cameras, fridges and microwaves, to name just a few.
Computer Program is another term for software. It enables productive work to be done
on a computer. A computer program could be the software you use to access the Internet,
or the software you use to play games or the software you use to word-
The practice of giving expert advice within a particular field; "a network consultancy"
-
A situation when 2 or more users, network devices or locations are competing for, or sharing the same portion of bandwidth. Usually expressed as a ratio – a contention ratio of 10:1 means that a bandwidth rate is shared between 10 users, network devices or locations.
A Control panel in web hosting refers to the interface provided by the hosting company for the maintenance and monitoring of the hosted website.
Some of the commonly available modules in most control panels:
- Access to server logs.
- Details of available and used webspace and bandwidth.
- Email account configuration.
- Maintaining FTP users’ accounts.
- Managing database.
- Visitor statistics using web log analysis software.
- Web based file manager.
PAE Hosting brings you the world's most advanced web hosting Control Panel. Managing
your web hosting account is simplicity itself using our Web-
Installing Joomla, WordPress, PhpBB just got easier. We take the stress out of running your website. Try our online demo.
The most common meaning of "Cookie" on the Internet refers to a piece of information sent by a Web Server to a Web Browser that the Browser software is expected to save and to send back to the Server whenever the browser makes additional requests from the Server.
Depending on the type of Cookie used, and the Browsers' settings, the Browser may accept or not accept the Cookie, and may save the Cookie for either a short time or a long time.
Cookies might contain information such as login or registration information, online "shopping cart" information, user preferences, etc.
When a Server receives a request from a Browser that includes a Cookie, the Server is able to use the information stored in the Cookie. For example, the Server might customize what is sent back to the user, or keep a log of particular users' requests.
Cookies are usually set to expire after a predetermined amount of time and are usually saved in memory until the Browser software is closed down, at which time they may be saved to disk if their "expire time" has not been reached.
Cookies do not read your hard drive and send your life story to the CIA, but they can be used to gather more information about a user than would be possible without them.
A standard for specifying the appearance of text and other elements. CSS was developed for use with HTML in Web pages but is also used in other situations, notably in applications built using XPFE. CSS is typically used to provide a single "library" of styles that are used over and over throughout a large number of related documents, as in a web site. A CSS file might specify that all numbered lists are to appear in italics. By changing that single specification the look of a large number of documents can be easily changed.
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