200-301 V1 BBB Not in new books

This post lists the answers to summary route drill 3. If you’ve not tried the problems for this drill yet, go back, check it out, and come up with the best summary routes. Then come back here and [...]

Like the other summary route drills, this post lists three practice problems. Each problem lists a set of subnet/mask pair for existing routes in some router. Your job: choose the subnet/mask [...]

This post lists the answers to summary route practice set 2. If you’ve not tried these problems yet, go back, check it out, and come up with the best summary route. Then come back here and check [...]

Like the other #CCNA summary route practice sets, this post lists three practice problems. Each problem lists a set of subnet/mask pair for existing routes in some router. Your job: choose the [...]

#CCNA (and #CCENT) candidates, here are the answers to that earlier summary route practice set. If you’ve not tried these problems yet, go back, check it out, and come up with the best summary [...]

Want proof you are ready for #CCNA? Try these route summary drills. The underlying skills require a fair amount of mastery of sub netting, so doing these drills can help prove you are ready for [...]

Today’s post sets up the topic of how to find a “best” summary route. What does that mean, and how do you do it? Today’s post hits the highlights at least, and points to more info. Other later [...]

The #CCNA scenario begins with a working router triangle, using a single OSPF area. Then you shutdown a serial link. What changes with OSPF show command output? Show ip ospf neighbor? Show ip [...]

OSPF fails – a little – on a #CCNA Sim question. What show command symptoms would you expect to see if the misconfiguration was that a WAN interface between two routers was shutdown? What if [...]

The last post set up a #CCNA troubleshooting drill. Today, we’ll walk through the analysis. What were your predictions? On which routers (R1, R2, and R3) do you expect to see a change to the [...]

To answer #CCNA troubleshooting questions, particularly Simlet questions, you need to have skills with show commands. In particular, you need to be ready to predict the key information in each [...]

Today’s post simply shows the answers to the previous post. At the same time, the answer in today’s post is the basis for the next post’s type of troubleshooting practice question. So, check out [...]

The #CCNA exam, especially the #ICND2 half of the content, focuses on troubleshooting.  However, for self study candidates, practicing troubleshooting can be a challenge. This post discusses the [...]

This is the answers post – to make the most sense of it, read the original question post listed here. As with the other FR DLCI drills, this post provides an exercise of how to look at figures, [...]

Feel the need to work through how Frame Relay DLCIs work? This is a way to apply those ideas and prove you know how DLCIs really work. Now that I’ve posted the first drill of this type, I’ll keep [...]

This is the answers post – to make the most sense of it, read the original question post listed here. This post is about how to look at figures, sift through the documentation about Frame Relay [...]

This is the first of post of a new type of practice drill a Frame Relay DLCI Drill, or FR DLCI Drill for short. The short version: even if you only think about local DLCI concepts, people often [...]

Today’s post shows the solution to subnet design exercise 2, specifically the IP subnets. This post isn’t all that meaningful without reading the other one first – after that, [...]

Today’s exercise requires a little more thought than most of my exercise posts. In this case, you’ll start with two class B networks: 172.20.0.0 and 172.30.0.0. The problem also lists a set [...]

Today’s post picks up the discussion of the solution to the subnet design exercise I posted a while back. Start with the post for the original problem statement, and read from there!

Today’s post shows the beginning of a solution to the subnet design exercise I posted last week. This post isn’t all that meaningful without reading the other one first – after [...]

For the US holiday weekend, I thought I’d leave you with a design exercise that requires a little more thought than most of my exercise posts. In this case, you’ll start with a class [...]