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CCNA Security Exam Cram (Exam IINS 640-553) by Eric L. Stewart

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Who Is a CCNA Security?

Throughout my years of teaching Cisco CCNA, CCSP, and CCNP courses, I am often asked about the application of a concept in the “real world”...as if there is doubt that material presented might not speak to the same world that the students work in. The same question might be asked about being a CCNA Security-certified IT professional. Does the certification hold any real-world value in itself, or is it simply a rung in the long ladder of certifications that one must climb before you can say that you’ve finally “arrived?” In my own career, I can safely say that this climb never ends. In reality, any knowledge gained, if properly applied, has real-world application. This is true of the CCNA Security. It is a very ...

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