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Posted by nimal on Saturday, August 08, 2009 at 5:03:00 PM
  What is a digital signature?

Some have a hard time understanding what a digital signature is. Obviously it is not a signature you created in Photo Shop and used as your Outlook signature. If it was that simple then people would have no confusion to begin with. In order to understand the digital signature you need to understand a little bit about encryption and keys. Imagine that you are sendi...


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Posted by nimal on Sunday, August 02, 2009 at 7:04:00 AM
  Subnetting within seconds! Magic behind subnetting…

If you have been in an IT field or attended a certification class such as CCNA you will definitely come across some annoying subnetting scenarios. From your favorite IT book and/or networking website, I am sure you already understand why we need subnetting. When networks grow larger it makes sense to subdivide i...


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Posted by nimal on Monday, March 30, 2009 at 9:43:00 PM
  Why should companies pay attention to security?

After the internet boom in late 90s, millions and millions of servers have been connected to the internet. Today this number has shot up to the billions. These servers may contain lots of critical data, including credit card numbers, social security numbers, passwords and intellectual property.
 
For the ones with bad intentions, the internet is a gold mine. They attempt to hack into the numerous internet servers and steal information. As a result of th...


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Posted by nimal on Sunday, March 29, 2009 at 8:53:00 PM
  Road trip to Big Bend National Park in Texas!

Every summer, my family and I take a long road trip somewhere. Last year we visited Big Bend National Park in Texas.  The park is located in southwestern Texas where the Rio Grande makes a huge curve bend which was how the park got its name, “Big Bend”. It is so vast and occupies about 800,000 acres of terrain and strange looking mountains and canyons that reminded me of old Clint Eastwood movies.  Sometimes Big Bend is referred to as three parks in one as it includes mountain, desert and river environment.
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