Connecting Lines - Computer Networking Explained

In a nutshell, computer networking is basically a cluster of computers linked together in a way that it can transmit data and share resources. These sets of connections do not necessitate that the computers bear the same operating systems (OS); it does not even require that similar types of gadgets be used. A perfect example is a personal data assistant (PDA). One may connect a PDA to a laptop over a network. Even kitchen appliances like the internet enabled refrigerator uses networking to activate its surfing functions.

How Is Networking Done?

There are various methods to link computers and other gadgets to a network. And among the plethora of ways and means, the most common networking method is the use of cables. The market provides an assortment of cables from copper-wired to fiber optics each with its advantages and disadvantages.

Copper Wire: Unshielded Twisted Pair Cable (UTP)

The UTP is one of the frequently utilized cables for a local area network (LAN) connection, which is essentially linking a few computers within a small geographical area (thus the name, LAN). Going back to the UTP, this is composed of two unshielded and insulated copper wires coiled and twisted together to diminish electrical interference. This type of cable is often opted due to its flexibility, easy maintenance and low cost. The downside, it can (and will) possibly receive severe blows from electrical interference.

Fiber Optics

Data is exchanged by sending voltages along the wire. But for fiber optics, the data is transmitted through light pulses. While the UTP has copper, fiber optics has threadlike strands of glass, or silica. The process goes like this: the laser translates digital signals into pulses of light and conveys it down the series of glass strands. Fiber optics offer rapid data correspondence, though this speed comes with a price, a pocket burning price. With that said, this kind of connection is often seen being utilized by huge internet service providers (ISP) and data centers, not in office or home networks.

Network Topology: Bus Network

Simply put, network topology is the physical formation of the network. And the bus network is the most straightforward among the various network topologies. Let us begin with the bus. All the machines link up to a linear transmission channel, or the bus.

In operation, when a computer sends off data through the bus, all connected machines can see the data, otherwise known as packet. These packets possess pieces of information tagged as packet headers. And these headers, in turn, reflect the recipient or to which computer or machine the data is intended for. The bus inspects the header: if it is for that computer then the whole packet is recognized and received, but if it is not, it will be merely ignored.

The Downside: One at a Time

Unfortunately, the bus can only handle a single data at any given time. In here, two is a crowd. Imagine what could happen if three computers in the network simultaneously transmit data. Well, you will certainly have a few network problems if this collision happens. Speaking of collision, if and when two computers concurrently send data, the main computer (or the first one that notices the collision) will transmit a blocking sign onto the bus. This will trigger a standstill among the linked computers preventing any further data exchange.

Network Interface Cards (NIC)

NICs usually control the 'to and fro' or the transmission of packets across the wires bridging the computers in a single network. It also provides a venue of communication among the computers.

Hub

Hub is intended for small-scale computer networking. The problem with this is that it does not sort packets, meaning the data may be sent to the wrong recipient. Another is that the data will be open for everyone in the network. Security wise, this is not the way to go.

Router

To speed things up, this is a network device that diffuses data packets between two networks bearing different protocols. Yes, it is that blinking box that allows you to connect to the web.

There you go. This is simply scratching the surface of networking. You may opt to scour the internet for more information.

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Computer Networking Schools Produce Qualified Technicians

A penchant for computers and acquired technical abilities are desirable attributes for future computer networking technicians. Computer networking schools offer an education in the hands-on processes of computer networking. Students learn to configure routers and switches, and install wiring, as well as skills in maintenance and network diagnostics.

Computer networking schools offer professional training at many levels. Entry-level students can opt for a computer networking certification or a career diploma; they may further their education and obtain an associate's degree. For the computer networking professional, a bachelor's degree or master's degree can greatly improve employment outlook.

A good computer networking college will cover all aspects of computer technology to prepare students to compete in the vast world of informational technology. Potential employment opportunities for graduates include positions in computer science, computer information systems, network administration, network systems engineering, network service technology, network analysis and programming, network information systems management, electrical and computer engineering, communications, telecommunications, and many other computer-related areas.

Computer networking has become one of the major career fields in today's modern business world, and there is a constant need for qualified computer networking professionals. If you like working with computers and are you seeking a career in computers, a computer networking school is the right choice for you!

To learn more about the exciting and promising field of Computer Networking, and to choose the right Computer Networking School for you, look for more in-depth information and resources on our website.

DISCLAIMER: Above is a GENERAL OVERVIEW and may or may not reflect specific practices, courses and/or services associated with ANY ONE particular school(s) that is or is not advertised on SchoolsGalore.com

Copyright 2006 - All Rights Reserved

Michael Bustamante, in association with Media Positive Communications, Inc. for SchoolsGalore.com

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Michael Bustamante is a staff writer for Media Positive Communications, Inc. in association with SchoolsGalore.com. Find Schools, Colleges, Universities, Vocational Schools [http://schoolsgalore.com/categories/2/schools.html] and Online Courses [http://schoolsgalore.com/categories/4/online_courses.html] at SchoolsGalore.com; meeting your needs as your educational resource to locate schools.

Computer Networking - Higher Education Programs Online

Computer networking has become an integral part of everyday life. Networks are used by multitudes of people from the businessmen that share information with each other to the teenager uploading photos to a social networking site. The role of online education in computer networking is to teach students to keep networks working and usable. Education is obtainable from numerous online universities that offer several concentrations.

The connection between computers that share information defines the industry of computer networking. This is a complex system that needs the constant work of specialists. Online training encompasses many aspects of the field, which includes network design, troubleshooting, maintenance, and information protection. Based on career trends, having an education is quickly becoming a standard due to continually advancing technology. Students learn how to be specialists that provide daily support, train individuals to use a system, and develop a network for a company. These are only a few areas that are covered through courses in a program.

Education is available through concentrations that include:Computer Network EngineeringComputer Network ManagementNetwork SupportNetwork SystemsEach available training option provides students with the knowledge needed to carry out specific functions. Online colleges give students the ability to work through programs at the associate's, bachelor's, and master's degree level. Graduate level training at the master's degree is not a career requirement but students will fare better in their career with the advanced knowledge gained. Earning an associate's or bachelor's degree is the educational standard for the industry's professionals.

Problem solving is one of the main roles of a computer networking professional. Students that participate in an online program in network support will gain the necessary skills for this function. Specific coursework explores how to create, design, install, manage, and fix a network when it stops working or needs updated software. Online courses help students develop their computer, technology, and management skills. Subjects on computer programming, data security, and software integration are a few topics discussed inside a program.

Computer network management programs are another area available that teaches students a core role of the industry. Students learn the process of configuring, establishing, and managing a system of networks. The software and hardware of the industry is evaluated from a management standpoint. Students learn to oversee and maintain local area networks and wide area networks. Network security, remote access, data communication, and computer architecture are some online courses students can expect to complete as a regular part of education.

The available programs prepare students to enter a career as a computer networking specialist. An accredited online education in each concentration area gives students a foundational knowledge of the field while building a particular set of skills. Full accreditation is provided by agencies like the Accreditation Commission of Career Schools and Colleges of Technology (http://www.accsc.org) to programs that meet certain criteria and offer a quality education. Students can utilize the accessibility of the Internet to research the correct program and online college for their objectives. Find a program and beginning training.

DISCLAIMER: Above is a GENERIC OUTLINE and may or may not depict precise methods, courses and/or focuses related to ANY ONE specific school(s) that may or may not be advertised at PETAP.org.

Copyright 2010 - All rights reserved by PETAP.org.

Renata McGee is a staff writer for PETAP.org. Locate Online Computer Networking Schools as well as Campus Based Computer Networking Schools and Colleges at PETAP.org, your Partners in Education and Tuition Assistance Programs.

Computer Networking Fundamentals

In the past, when two persons were willing to share data between each other, they were relying on movable disks such as floppy disks and CD-ROM. These ways of transmitting data between remote computers are often difficult especially if the files will be transmitted very often.

Because of the above difficulties in transmitting data across movable disks, the idea of networking two or more computer has been arisen. Instead of transmitting the files across movable disks, the computers are connected to each other by cables through ports on the computer. When someone needs to transmit the data to another computer, he simply can share the files he needs to transmit across the network. This way no movable disk is needed and the matter is easier.

When talking about computer networking, one must differentiate between the many types that exist for the network. The computer network can be classified according to the geographical area they occupy or according to the manner they will behave when sharing and accessing data between the computers in the network.

Let us first see how they are classified according to the geographical area. The meaning of this classification is how much the network will occupy or simply what the size of the network is. There are three types for any networks according to this classification. They are the LAN, WAN, and MAN. The LAN (Local Area Network) has the smallest size with respect to the other types. The LAN can occupy a room, a floor, a building such as company, or at most a group of adjacent buildings. The MAN (Metropolitan Area Network) can occupy a whole city or even a while state. On the other hand, the WAN can occupy a whole country, group of countries, or even the whole world.

The second classification is according to the data distribution across the network and how the computers that are connected to each other are treated. There two types of networks according to this classification. The first one is peer to peer network. The meaning of this classification is that all computers in the network are treated as equal. Thus the size of the data on one computer can be equal to the size on another computer. Also the processing and storage power of the all devices are equal. Thus there is no computer on the network that is higher in value than the other computer. Hence the name peer to peer network.

The second type of networks according to the above classification is the client-server network. In this type, the matter is different in that not all computers are equal in value. At the least, there is one computer (that is called the server) that has much processing power and storage power. Therefore the data is stored on that computer to be shared across the network. Every computer that needs some data that is shared across the network can take it from the server only. This is because all computers other than the server have less sizes of memory and also processor power.

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Networking Hardware and Computer Peripherals
Computer Networking and Connecting to the Internet

Computer Networking Schools For the Logical Thinker

If you consider yourself a logical thinker with a penchant for computers, you might want to check out computer networking schools. The business world of today is seeking computer technicians with good training in network technology, and you could soon qualify for a variety of interesting jobs with some college-level training in computer networking.

There are a lot of directions you can go to gain a computer education, and networking is just one of the many branches of computer science. Technology has grown by leaps and bounds in the past twenty years, and it is important that computer technicians stay on top of the game. The best computer networking schools will offer computer training that is up-to-date and curriculums that are constantly reevaluated to maintain relevancy. It is also important that computer courses be taught by instructors who are working professionals.

The field of computer networking involves configuring cables and wireless networks between various electronic devices such as computers, printers, and wireless communications devices. It is important that you take some time to assess your innate abilities and your goals for the future before enrolling in any of the computer networking schools in the US and Canada. You will want to be sure that you would enjoy working in an office environment and that you would be willing to solve computer problems and maintain network efficiency in a team environment. Today's businesses depend heavily on network engineers to troubleshoot complicated computer network systems and interconnect a variety of devices so that data and information flows easily and freely along the network.

You can start out your computer network training at the entry level by taking a class in networking and getting certified. Or, you might begin by taking a vocational computer networking course leading to an Associate of Science Degree (AS) in Computer Science. These credentials would serve to get your foot in the door with many companies, such as an individual branch of a government agency or a small business. Once you have achieved the AS, you will be eligible to enroll in computer networking colleges to expand your computer studies to the level of Bachelor of Science (BS), Master of Science (MS), and even Doctor of Computer Science (PhD). At the higher levels, you will specialize in one or more areas of computer sciences and really become an expert in the field. Of course, salaries and benefits will also rise accordingly.

If you are ready to start learning computer networking, we urge you to make direct contact with computer networking schools [http://www.schoolsgalore.com/categories/3/computer_networking_vocational_schools.html] on our website. It could be the best connection you will ever make!

DISCLAIMER: Above is a GENERAL OVERVIEW and may or may not reflect specific practices, courses and/or services associated with ANY ONE particular school(s) that is or is not advertised on SchoolsGalore.com.

Copyright 2007 - All Rights Reserved by Media Positive Communications, Inc.

Notice to Publishers: Please feel free to use this article in your Ezine or on your Website; however, ALL links must remain intact and active.

Michael Bustamante is a staff writer for Media Positive Communications, Inc. Find Computer Networking Schools, Colleges, Universities, Vocational Schools, and Online Schools at SchoolsGalore.com, your resource for higher education.

Computer Networking Services

A computer network is the practice of linking two or more computing devices together for the purpose of sharing data. Networks are built with a mix of computer hardware and computer software. This interconnected system will share services and interact through a communications link. If data is being sent over the system then the individual computers must follow a set of common communication rules in order for the data to arrive at is correct destination. This is also vital for the systems to properly understand each other otherwise data will not be received. These rules are known as protocols.

So, in order for a computer network to be set up properly four things must be present: two or more systems, something to share (such as data), a communications link or physical pathway, and a set of rules for communication or protocols.

Wireless computer networking uses radio waves and/or microwaves to maintain open communication channels between computers. This version of computer networking is a more modern approach and is an alternative to wired networking. The advantages of wireless computer networking are that this involves mobility and the elimination of a copper or fiber optic cabling running between computers. However, a wireless computer network has the potential to have radio interference due to weather, other wireless devices or obstructions.

If you are unsure what type of computer network you would like you can have a trained professional come to your home, business, or other location and have them recommend what you need depending on what you are using your network for. You should always hire a trained computer specialist when setting up a computer network as there may be complications and it can be very difficult to learn how to set up a computer network by yourself.

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Computer Networking

Brandon Douglas Bradshaw has studied IT and computer systems for many years and it have become his passion. In his studies she has discovered some very important foundational facts. Computer networks can be defined as an engineering discipline regarding the interaction between devices of computer and computer systems. Routing protocols, networking, routers and entire networking system over the internet services have their details defined in documents termed as RFCs (request for comments). Computer networking is also considered as a discipline of computer science, telecommunications, computer engineering and information technology. It deals with practical and theoretical applications of these engineering and scientific disciplines. There are three kinds of computer networks: 1. Internet 2. Intranet and 3. Extranet.

Generally a computer network is sets of various devices and computers that are associated to each other having capability to send or receive data. Here is the list of different kinds of computer networks that Brandon Douglas Bradshaw is experienced with:

* LAN (Local Area Network): this is a small network deals with local and small regional area. Like a computer network covering a building.

* MAN (Metropolitan Area Network): This is medium size network deals with a city or state.

*WAN (Wide Area Network): This is a bigger network deals with large geographic area.

* WLAN & WWAN (Wireless LANs and MANs): These networks are the equivalent of the WAN and LAN in a wireless form.

There are all kinds of computer networks that are connected to each other to let the communication be done among various Medias like copper wire cable, optical fiber, coaxial cable, micro wave system, power lines and different wireless technologies. The devices regarding computer set-ups can be operated within a few meters or unlimited distances, depending on its range.

There are many organizations such as insurance companies, railways, hospitals, banks etc that needs real time processing of huge number of transactions via many computer systems in order to interact and communicate with each other via same network. Thus the installation procedure of an entire computer group is very important as well as sensitive also.

Overall, Brandon Douglas Bradshaw had discovered that in an ideal computer network the system, software and hardware must work together seamlessly. There are many software solutions and hardware solutions companies ready to serve you if you have any trouble with your own network system. A network security system with supported services should be applied to assist the whole computer network and keep the network safe from virus and spamming.

The Broad Categories of Computer Networking

For some people, the computer itself could be a scary topic, considering the fact around how complicated the machine is. Talking about computer networking could give a heart attack to such people. However, it is not as scary as it may sound.

Computer networking could be understood by separating the two words in the term. A "computer" as we know is a complex machine that helps us to process information. "Networking" refers to linking or connecting. Hence computer networking would simply mean getting two or more computers connected. When we say the word "connected" in this reference, we mean that one computer could be accessed through the other.

Broadly speaking there are two ways of connecting two or more computers. The first one is called the wired network and the other one is called the wireless network. Both of these are huge subjects to study and understand. However, in layman's language it could be said that when two or more computers are connected through wires it's called the wired network. And when they are connected without the wires through wireless router, it is known as wireless network. As the wired networks are limited to the area wherein the wire web is installed, similarly the wireless has range limitations. The number of machines that are on a network would ensure the speed of the network. More machines in a network would mean a slow network.

The various computer network systems could be - Personal Area Network; Local Area Network; Campus Area Network; Metropolitan Area Network; Wide Area Network; Global Network and most importantly internet, intranet or the extranet. The names are given to the network depending upon the arena they have. Like for example the campus area would mean the machines that are in a given physically limited campus are connected through the computer networking. This could be wired or wireless networking.

Internet could be understood as a global network system.

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E-Commerce Supporting Technologies - Computer, Computer Networking, Internet, Internet Connectivity

E-Commerce as the word suggests means doing business on the internet or on-line. The scope of business may involve:

o selling hard goods on-line such as a phone, computer or shoes

o Electronic goods such as e-books, mp3 music, software, graphics or pictures

o selling ideas or services

To sell the goods the merchant has to have a website or a virtual store on the internet for him to sell the goods on line. A prospective customer finds that site, buys goods on it, pays owner using a credit card or via other mode. Merchant receives payment and deliver the goods and supports the customer. Practically, that's e-commerce in its simplest sense.

In between those e-commerce transaction a lot technology are involve to complete the sale. For instance, the merchant has to design and build a website developed using a complex programming language called HTML. Merchant has to register a domain name to identity his business on the internet. All information and products from his on-line store or business are encoded and stored on the merchant's computer server or hosted by a third-party web hosting company. In order for the customer to find the merchant's site, he needs a computer that is in turn connected to a system popularly known as the internet, for him to be able to visit the merchant's site.

The Personal Computer in relation to E-Commerce

A PC or Personal Computer is a computing device or tool built around a microprocessor. It has lots of different parts -- memory, a hard disk, a modem, etc...That work together. It is also called general purpose equipment. General purpose means that you can do many different things with a computer. You can use it to type documents, send e-mail, browse the Web and play games.

On each own, the computer can be used to expedite the processing and storing of information such as word processing. It can also be made to transmit and receive information from other computers. These computers can talk and exchange information from each other thru a common computer language or protocol. The PC is the most valuable and core-technology needed to drive E-Commerce and Internet Business.

Computer Network in relation to E-Commerce

Two or several computers can be physically linked and made to communicate with other computers with in a local network (LAN). The term use to describe this interconnection is called networking. Networking of computers can be made using either a wired (cable) or wireless (radio) type of connection. Usually, networking or the linking of computers is subject to the range or distance limitation because the signal and quality of communication will degrade as distance increases. Computer Networking is applied for most on-line internet business for an efficient and productive E-Commerce business.

The Internet in relation to E-Commerce

The internet is a system that connects computer networks. The system of internet enables the interconnection of computers all over the world. It allows your computer to get stored information from other computers far away.

The protocol (TCP/IP) or language when computer communicate in a network is similar to the one used on the internet. That is why computers around the world understand each other despite different maker and place of manufacture.

Lots of computers all over the world are stored with lots and lots of information. The internet system hooked them together. If you have access to the Internet, you can read, hear and view all this information from your own computer. The Internet is all the reason behind the existence of E-Commerce and without internet connectivity virtual on-line business will totally cease to exist.

Telecommunication in relation to E-Commerce

A different type of technology is needed to transmit information from one computer to another over long distances. Telecommunication companies come into the picture to service the requirement of connecting one computer network to another computer network using different kinds of transmission technology.

Telecommunication is a broad term as it also covers not only data communication such as the internet but includes voice telephony as well.

Telecommunication companies are driving internet businesses to achieve internet connectivity. Without them one could never put their business on-line as only telecom companies are able to link networks over very vast geographical distances.

Connectivity in relation to E-Commerce

Connectivity is a broader term than networking. Networking refers to the physical (wired) or virtual (wireless) connection between computers. Connectivity refers to the state of being connected. For instance, a computer can be sync to a phone, music player and other devices. Internet access or the state of being connected to the internet information super-highway is a classic example of connectivity.

Internet Connectivity is important both in urban and rural-remote regions of the world.

Some regions are suffering from lack of telecommunication infrastructure thus internet access service is very limited. In order to achieve internet connectivity, remote villages either use satellite link, wireless radio systems and long-range phone extenders. Some communities have established telecentres which serve as a communication hub and outside link to the rest of the world. All forms of connectivity including internet connectivity are helping push the envelope of internet business as a whole.

So you've read about e-commerce overview and its supporting technologies. Try to imagine and picture out how e-commerce is being practice and how important are those technologies to making it possible.

The author , Allan Amps is a telecom sales & marketing employee with passion and interest for rural, remote internet connectivity solutions, wireless gadgets and internet home-based business.

He recently established a website - http://www.tech-ware-tips-startup-internet-business.com and [http://www.advanced-multi-profit-site.com] with the aim of generating income out of his interest and passion. The goal is to reach those people yearning to start their own home-based business by providing valuable tips, guides and info of the best available solutions and programs that one can go into.

Computer Networking Online

Want unlimited access to your online computer networking education program? Perhaps enrolling in an online school may be a good step toward your path of success! There is great demand for professionals who have earned their online diploma, certification or degree in computer networking. The more you know, the better chances are that you will be able to attain a lucrative and fulfilling computer networking career in a highly competitive workforce.

Today, students can take an online computer networking course to earn their certification or degree via comprehensive distance learning programs. Common computer networking online curriculums, in addition to basic software training, involve in-depth studies of network administration, design and security (from major technology organizations); network authentication applications and operating systems; software tools; technical aspects; and many more relevant subjects.

Persons who have successfully completed their online computer networking course (duration of course depends on individual commitment) can go on to earn higher level education degrees, and can anticipate obtaining a career as network administrators, network managers, network system engineers and security analysts; depending on academic level and experience.

Many of these online computer networking schools offer flexible coursework and affordability. A course in computer networking online is perfect for the self-starter eager to gain an edge in today's technologically advancing society.

If you are interested in learning more about Online Computer Networking Schools and other programs of study, please search our site for more information and resources.

DISCLAIMER: Above is a GENERAL OVERVIEW and may or may not reflect specific practices, courses and/or services associated with ANY ONE particular school(s) that is or is not advertised on SchoolsGalore.com.

Copyright 2006 - All rights reserved by SchoolsGalore.com, in association with Media Positive Communications, Inc.

Notice: Publishers are free to use this article on an ezine or website, provided the article is reprinted in its entirety, including copyright and disclaimer, and ALL links remain intact and active.

C. Bailey-Lloyd is a staff writer for Media Positive Communications, Inc., in association with SchoolsGalore.com. Visit our Distance Learning Directory and find Distance Learning Schools and other Schools, Colleges, Universities, and Trade Schools at SchoolsGalore.com; your educational resource to locate schools.