It seems simple… and then you’re sitting at the #CCENT or #CCNA exam. Where does that Ethernet frame really go? I posted a question about LAN Switching a few days back. Here are the [...]

To get your #CCENT and #CCNA, you must have the skill to predict how switches forward Ethernet frames. This skill goes beyond a simple generic list of actions like forward/filter/flood. This next [...]

This post discusses the answers to the questions listed in the previous post. But what makes this question so challenging for someone headed for the ICND1 exam? Three things, in my opinion: 1) [...]

Sometimes #CCNA and #CCENT candidates struggle the first few times they have to apply layer 2 switching concepts and layer 3 routing concepts in the same question. That’s normal – [...]