CompTIA Security+ SY0-301: 1.1 – Routers, Firewalls, and Switches

July 20, 2011

Routers, firewall, and switches are the core of any network. In this video, you’ll learn about these infrastructure devices and the roles they play.

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Category: CompTIA Security+ SY0-301

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  1. Jc says:

    Just found your website, wow! Thank you! I am definitely going to recommend your videos and site to all my IT friends.  Your voice and tone are easy to follow.  Great direction and flow of information.  Thank you!  Professor Messer you’ve just earned a lifelong fan!  Everyone spread the word!