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Software Defined Networking (SDN) Simplified
The recently announced CCNA R/S version 3 includes a collection of topics falling under the category of Network Programmability. The underlying technology here is Software Defined Network (SDN), which...
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APIC-EM Path Trace ACL Analysis Tool
When you’re reviewing the list of topics on the new CCNA R/S version 3 exam, one topic that’s sure to stand out is the APIC-EM Path Trace ACL Analysis Tool. That’s a very long name for a very new...
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5 Tips for Your Technical Resume
You’ve earned your certifications. Maybe you have a college degree, and hopefully some technical experience. Now, it’s time to sell yourself to a prospective employer. We all know first impressions...
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QoS Traffic Markings
One of the new topics on the new CCNA R/S v3 exam is Quality of Service (QoS). Having taught QoS for many years, I’ve noticed that one of the topics students find most challenging is QoS Traffic...
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BPDUGuard
A Spanning Tree Protocol Enhancement Yet another new topic on the new CCNA R/S v3 exam is BPDUGuard, which is an enhancement to Spanning Tree Protocol (STP) available on our Cisco Catalyst switches....
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Your Framework for Cisco Exam Preparation
You want to get your first (or next) Cisco certification, but do you have a specific preparation strategy, or are you just winging it? If you do have a structured framework you’re confidently executing...
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CCNA R/S Complete Video Course – Now Available!
Do you have your sights set on earning your CCNA R/S certification? If so, I’ve got great news. After months of development, my new CCNA R/S Complete Video Course is finally available. Here are some of...
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Accessing the Cisco DevNet Sandbox
If you’re studying for a Cisco certification, you might be debating what to do for your hands-on practice. Will you buy a home lab? What about using a simulator or an emulator? If you can’t see this...
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Understanding EIGRP – Part 1
I used to work as a Network Design Specialist at Walt Disney World, in Florida. Their massive network contained over 500 Cisco routers (and thousands of Cisco Catalyst switches). What was the routing...
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Understanding EIGRP – Part 2
In the first blog post in our Understanding EIGRP series, we were introduced to EIGRP’s features, in addition to a basic configuration example, and a collection of verification commands. Now, in this...
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