Understanding Access Control Lists is an important role for moving up into the CCNA area. ACLs can get confusing and cause network problems if not implemented correctly. I think what I outlined below explains in a nutshell of what you can expect from ACLs. I would still read and find more information about ACLs on the …

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IPv4 maybe on its last leg with only a few blocks of IPv4 addresses available, computer estimates say that the IANA address depletion was January 27, 2011. Also the calculations for all central IPv4 pool addresses will be depleted by July 25, 2012. These are estimates and may change as of writing this post. I'll be …

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While reading the Cisco Annual Report they came up with seven common social engineering attacks that cybercriminals use. Now these types of attacks are common and are not unheard of. You should be familiar with most if not all these weaknesses that cybercriminals use. Sex appeal, which means scammers will try to find …

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One of the things you do first when setting up a Cisco router in lab environments and production environments is basic router configuration. By having a good understanding of basic router configuration you will have the essential building blocks and be able to apply additional knowledge upon router configuration. This …

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If I were to tell you four years ago that cybercriminals were going to focus on mobile phones instead of computers would you believe me? This shift in focusing on mobile devices and platforms instead of computers means one thing, it’s easier. What does that mean? Well think of it this way if I was hacker wanting to …

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