CCNA Vs ICND

What is the difference between taking the ICND1 & 2 exams against just taking the one CCNA exam? Now we have all heard the experts such as Todd Lammle, Wendell Odom and Jeremy Cioara. Now I believe in all their products and as far as I am concerned they are the best in business. They will all tell you should be able to do some things quicker in the CCNA exam than the ICND exams. They are correct but, which option is better. The answer is… Not Much Really. They…

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ccna-OSI MODEL

The OSI reference model was created in the late 1970s, and the main reason the International Organization for Standardization (ISO) released the OSI model was so different vendor networks could work (communicate) with each other. One of the greatest functions of the OSI specifications is to assist in data transfer between disparate hosts, meaning, they enable us to transfer data between a Unix host and a PC or a Mac, for example. The OSI isn’t a physical model, though. Rather, it’s a set of guidelines that application developers can use…

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