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 [...]