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5 Stress Reducing Computer Tips
For most entrepreneurs computers are an intrical part of our business. An entrepreneur can not afford for their computer to be inoperable even for a minute. Implement some of these quick and affordable computer tips to keep your computer healthy...
Cisco Certification: The OSI Model Isn't Just For Exams Anymore!
There's nothing I enjoy more than teaching Cisco technologies, especially CCNA candidates. Whether it's in-person or online, everyone's excited to be there. There's a sense of anticipation in the air, and everyone is ready to work hard, get their...
Join the Internet Shopping Bandwagon
Are you ready to join? The Internet shopping bandwagon, that is.
Shopping online has become increasingly popular over the last
few years, with new and improved safety measures, specialty
shops and giant retailers like Overstock.com; all designed...
Report on Growth and Economic Impact of the IT Industry
THE U.S. INFORMATION TECHNOLOGY INDUSTRY A Report on the Growth and Economic Impact of the IT Industry 1940-2010 Prepared by the Information Technology Industry Council (ITI), Washington DC Helga F. Sayadian, Vice President, ITI Industry Statistics...
The Power of the BLOG
Can a Blog earn you a prison sentence? Ask Mojtaba Saminejad. He is an Iranian whose Blog, published in the Farsi language, earned him a two-year prison sentence in June 2005.
The online community is fast waking up to the power of blogs which...
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Domains: Your Friendly Address on the Internet
Would you believe that there was a time that the internet didn't
have any domain names? During those days the internet was very
much like a telephone network. If you wanted to visit a site,
you would have to type that site IP address. And without domain
names, visiting other websites became a chore.
In the olden days of computing, websites went by their IP
address. So a particular site might be accessed by typing its IP
address on the browser like so: "200.221.0.183" If you miss a
number, and fail to notice it, you could get connected to a
totally different machine.
The beauty of domain names is this: it allows the user to use a
language friendly text address instead of complicated numbers.
This text address is called the domain name. Computers need to
communicate using these numbers.
But these numbers are confusing to humans because we don't talk
that way. A system called the DNS (Domain Name System) takes the
domain name you type in the browser and looks up the
corresponding IP address for that domain name.
Domain names usually have two or more parts, or labels, which
are separated by dots. The rightmost part of the domain name is
the TLD top level domain. This is symbolized by a 3 letter
marker: 'com' for companies, 'net' for networks, 'org' for
organizations, 'edu' for educational institutions, 'mil' for
military, and 'gov' for governments.
Lately there have been additions to the top level domains; the
most notable among them is the 'biz' top level domain. Sometimes
a CLD or country level domain is added further right to the top
level domain. These domains are a two letter representation of
the country the site represents. For example: xxxxx.com.au.
The .com is the top level domain; the .au means that the site
is
Australian. The xxxxx is the domain name, or subdomain name,
depending on whether there are other non-TLD and non-CLD labels
on the domain name.
Domain names do not belong to anyone, except for the NIC or
Network Information Centre. In theory, anyone could use a domain
name. However, you would still have to pay for the handling of
the domain name registration. Domain names are not sold, they
are leased. After the lease is over, other people interested in
that domain name may apply for its lease too.
History
It was the ARPAnet (Advanced Research Projects Agency Network)
that developed the idea of using a more human-legible address
for sites over the internet as opposed to machine IP number.
Originally, each computer on the network would download a file
called hosts.txt. This file would help the computer map domain
names against their actual IP addresses. This system, fact is
still used in network systems such as the Windows OS.
As time passed by, the networking world reached a consensus that
an international organization to maintain and monitor these
maps. In 1983 Paul Mockapetris invented the DNS. This is the
same system we use today.
Domain names have made surfing the World Wide Web easier. It has
been said in many academic circles that the DNS is responsible
for making the internet user-friendly and accessible to
everyone.
This lead to the dramatic explosion in popularity of the
internet. Now everybody can use the internet without having to
be a rocket scientist or a genius.
About the author:
James Monahan is the owner and Senior Editor of TotallyDomain.com and
writes expert articles about domains.
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| Computer networking - Wikipedia, the free encyclopedia |
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| Professional Network - Career networking news and advice from The Wall Street ... Networking tips that will help you advance your job search or career. |
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| Features a wealth of tutorials on various Windows networking related topics such as setting up Windows NT/XP/2000/2003 networks, troubleshooting, ... |
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| The era of e-business on demand requires superlative networking capability. ... IBM Networking Services provides e-business solutions anywhere in the ... |
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| Computerworld, the 'Voice of IT Management' is your information source for computer networking. Access up to date information on LAN/WAN, hardware/devices, ... |
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| content.monster.com |
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| Phone company shrugs off competition concerns over Verizon's Fios network, saying existing copper is doing the bandwidth trick. ... |
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| Network Management: Covering today's Network topics |
| Find the latest information on Network Management, Network Security, Network Design and more. |
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| Networking and Your Job Search: The Riley Guide |
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| www.rileyguide.com |
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| Networking news, reviews, opinions and forums from the Leader in Network Knowledge. |
| www.networkworld.com |
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