TATA LAUNCHES GLOBAL VPN SERVICE IN MORE THAN 150 COUNTRIES.: An article from: Worldwide Telecom

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TATA LAUNCHES GLOBAL VPN SERVICE IN MORE THAN 150 COUNTRIES.: An article from: Worldwide Telecom

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Bandwidth 101 - Understanding Loop - Port - And More

Here's the scenario....you're in need of increased bandwidth to meet your business voice and/or data applications. You're targeting T1 or DS3 as your solution...without a router (let's say you already have one or will get one seperate from the bandwidth provider).

Before you go out and jump at the first "attractive" business bandwidth offer you see.....there's a few things you need to understand. Particularly the terms Loop and Port....as well as "dedicated" and "shared" connections. Otherwise....you risk paying more for something you don't really need. Or worse yet....paying less for something that doesn't do what you must have.

So here we go....now pay attention and take notes.

Loop is the connection from your building to the provider's interface point, which is usually the main central office for your region, not necessarily the local central office.

Port is the actual connection to the internet backbone.

If your equipment was in the provider's data center, you would not need loop, but there will always be a port.

If your price quotes vary wildly, most likely you are running up against the "shared" vs "dedicated" issue. a "dedicated" connection (usually quoted by Tier I providers like AT&T, MCI, Sprint, Qwest, Savvis) will get you the full bandwidth to the internet backbone. A "shared" connection will get you full bandwidth to the carrier's interface point, from which they buy a big connection to their Tier I carrier.

An example, they buy a T3 (aka DS3) which consists of 28 T1 connections. Then they sell 60 T1 connections, recognizing that not all users will be requiring their full bandwidth at any particular time. Kind of like the old AOL issues of them having 1 modem for every 12 customers, and then having to buy more modems as customers complained about busy signals.

The issue of "shared" connections is a lively issue. You might trek over to the http://BroadbandReports.com forum for Wireless Internet Providers where you will see several discussions about how many customers can be supported by a link of a certain size.

If you are hosting a web site at your location, or if you are running a real time application and need absolute time sensitive responses to your internet queries, then you want to pony up to pay for the dedicated connection.

Another issue affecting your price would be how long is the loop from your central office to the carrier's interface point. Assuming that you're in Rancho Santa Fe CA (for example), a carrier requiring a loop all the way to Los Angeles would have a higher cost (and thus a higher price), than a carrier with an interface point in San Diego.

As for any questions about IP addresses, and e-mails:

Most Tier 1 providers will give you up to a class C (256) Block at no charge with justification. Plenty of IP address coverage for whatever your application.

Email, is almost a none issue with T1 service, as most people buying a T1 don't need ISP Email's. But if you do need them, find the best offer. However most providers consider email a free service.

There you go. Now you're armed with a priceless education. That should translate to smart price shopping.

Michael is the owner of FreedomFire Communications including DS3-Bandwidth.com. Michael also authors Broadband Nation with the latest broadband news, tips, insights, and ramblings.

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brainmeasures: get certified, earn more

In this 21st century online certificate prove the knowledge and competency of the applicant. There are various online certificate providers such as Cisco, networking online certificate, Microsoft online certificate, ccnp online certificate, English competency online certificate, scholarship aptitude online certificate test, etc. There are various other certifications provided by many governments worldwide to test the capability and performance of the applicant. Most of these exams issue an online certificate.

Some of the tests and certifications required by governments worldwide are IELTS, TOFFEL, GRE, etc. A candidate needs to get through these online tests to prove his competency. There are various other online tests to test the competency of the candidate according to his/her qualification. Microsoft has wide range of exams on different fields to test the candidate’s qualification. Some of the most important fields in which Microsoft tests the ability of the candidate are MS Office online certificate, Excel online certificate, Access, Share point, Administration, Database administration, programming, etc. Online certificates are issued if you qualify the exam.

There are various online certificates from Cisco in the fields of Routing and switching, design, network security, service provider, storage networking, voice, wireless, etc. There are other various specialist online certificates from cisco such as advanced routing and switching online certificates, data centre online certificates, foundation for channel partners online certificates, IP communication certifications, VPN and security certifications and wireless LAN online certificates. These online certificates can be shown to prospective employers easily. Online certificates and physical certificates can be given easily by the employer.

There are other English online tests and certifications which assess your capability in English and assign you your grade accordingly. A+ certifications also asses your ability in applying the knowledge you have gained from your field of study. IT online certificates are also provided by the employer.

One of the primary benefits of certifications is that it is recognised world over as a measure of competency. Most of these certification exams have same quality and competency level. These certification exams are opted world over due to their popularity. These certifications are mostly available in English. Online certificate courses are mostly in English but in some circumstances they are available in different languages. English being the business language in many countries people have adopted this language for assessing the competency.

Fees for these online certificate exams might differ in fees for people taking the exam in developing countries due to relative backwardness in technology and infrastructure. Many of these tests do have the same quality of relative toughness. Percentages of people qualifying from these tests are low in number due to the relative toughness of these tests. These tests thoroughly check the aptitude and depth of knowledge of the student on the subject.

Many companies give promotions to their existing employees based on their certifications from leading companies such as Microsoft, Cisco, etc. Some of the online certificates which are in demand are IT project management online certificate, PHP online certificate, networking certification, HTML coding online certificate, etc. Professionals are recognised based upon their experience and the extent of certification they obtained in their course of study.

Some certification companies require experience before a candidate can register for online certificate programs. Online certificate tests assess the practical and cognitive abilities of the student. A candidate can take an online test in various different ways such as

1)     Computer Assisted assessment or computer aided assessment.

2)     Computer mediated assessment

3)     Computer based assessment

4)     Online assessment.

Online certificate exams have cut off mark which a candidate should obtain to clear the exams. After clearing the cut off mark a candidate will be assessed accordingly and grades will be presented

www.brainmeasures.com is an excellent and convenient way to get certified as its services are available 24/7 all year round.

an iso 9001-2000 certified online certification company which peovides online testing services to individuals and corporate.

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