Time for another practice problem to find any overlapping IPv4 subnets. I’ve kicked this one up a notch compared to the previous exercise – this time the list (below the fold) shows IP [...]
The answer for Overlapping VLSM Subnets Speed Test 1 are below the fold! Other posts in this series: Overlapping Subnets – the Problem VLSM subnet overlap problem 1
It’s subnetting Friday – #CCENT edition. Your job? Look at a set of 5 or 6 subnet/mask combos, and identify which ones overlap, and which ones do not. There may be no overlaps, or there may [...]
#CCENT and #CCNA testing, as well as real-life network engineering, requires that we find configuration and design errors in the network. Problems can occur when the design and configuration of [...]
After reviewing this simple #CCNA question, I wondered if it was too difficult. But it’s a blog – we can always discuss the pieces. Today’s post has a multi-choice question [...]
Time for some VLSM work for #CCENT and #CCNA today! Today’s post begins the analysis for the VLSM design drill posted earlier. The original post posed a scenario, with an existing subnet [...]
Wrapping up this set of five #CCENT questions today with the completion of the answers. Sorry it took a while for this last post – work went sideways unexpectedly last week. For those of [...]
Today’s post lists the answers from Convert Masks, Drill 1. If you have questions on any of the 6 problems, post away. Some related posts: Original problem blog post How to: ICND1 Official Cert [...]
It’s practice, man, practice. Are we really talking about practice? Sure. Plain and simple, just some extra practice converting from one mask format to another. But how fast can you go? And can [...]
You pass by a cubicle, and see /26 written on a marker board. Later, you see a config with 255.255.224.0. One other time, you see this binary number: 11111111 11111111 11111111 11111000. How [...]