When I wrote the previous #CCENT troubleshooting question, I kept coming up with some really good answers, at least good for learning those subtle points that people miss when they don’t dig into the topics deeply enough. So, I made
Here’s another #CCENT question that makes you think about both layer 2 and 3. PC1 and PC2 successfully connect to a web server. What ARP table entries should exist at the end of that process?
Today’ post gives the letter answer, and explains why, for this latest #CCENT question. The question focuses on switch learning, with a little layer 3 weaved in. Don’t read here until you try the question!
Here’s another #CCENT question that kicks up a small notch. PC1 successfully connects to a web server. What MAC address table entries are learned? To answer, you have to think about not just layer 2, but also layer 3, and
One of the tougher things to do for #CCENT is to get used to all the new acronyms and figure out how they all fit together. Today I’ll start with a somewhat basic ICND1-level #CCENT question that gives you a
I got started on this discussion of the previous post’s sample question based on a question from a reader of the ICND2 Cert Guide. For the discussion of the answers, I’d like to focus on the one answer that makes
Today’s post is a question that comes with the ICND2 Official Cert Guide. A reader had sent in an errata email, claiming the question was wrong (it wasn’t in this case), but this question is packed with tons of learning
Today’s post is a ramble on the [no] auto-summary command. Think you know it? The proof of the pudding: give me one sentence that specifically states on what routers you need to consider the auto-summary setting, and characterize what happens
I just wrapped a Config Museum lab over in the CCENT Skills blog, but it happened to bring up a nice CCENT topic: auto-summary. Many people struggle with the concept. So I figured I’d use that lab as a backdrop
Today’s post lists the answers to last week’s question about serial links. The question basically shows a diagram, plus some show command output, and asks what you know for sure based on the output in the command. Answer is below
