Answers to a Root Question with No Direct Link to the Root

Answers to a Root Question with No Direct Link to the Root

🕔09:05, 2.Aug 2015

This post answers the Spanning Tree question linked here. If you want to noodle the question a little longer, check out the answer to a similar question that showed three switches in a triangle. To solve this question, just use the

Read Full Article
An STP Root Question with No Direct Link to the Root

An STP Root Question with No Direct Link to the Root

🕔09:05, 30.Jul 2015

Here’s another Spanning Tree question, one that creates a topology in which one switch does not have a direct link to the root. What happens in this case? Note that as with this similar question, this question is meant for

Read Full Article
Answer to an Earlier STP Question

Answer to an Earlier STP Question

🕔08:05, 21.Jul 2015

This post answers the Spanning Tree question linked here. The short answer is that there are lots of right answers! What could impact the choice of root port in a triangle topology? All port costs except the root switch’s ports’

Read Full Article
Question: STP and Choosing a Root Port

Question: STP and Choosing a Root Port

🕔07:05, 17.Jul 2015

Here’s a new CCNA-level question to consider, this time on Spanning Tree Protocol. Before diving in, be warned, it’s meant for study prep, not for assessment. That is, I’m not attempting to make this question exactly like an exam question,

Read Full Article
Tracert to a Subnet Broadcast: Answer (3)

Tracert to a Subnet Broadcast: Answer (3)

🕔09:05, 25.Jun 2015

Today I’ll wrap up this long explanation of what happens to packets sent to a subnet broadcast address. You’ll probably need to read the other two answer posts to make sense of what’s in todays post. Enjoy! Original Question Answer

Read Full Article
traceroute to a subnet broadcast – Answer (1)

traceroute to a subnet broadcast – Answer (1)

🕔09:05, 18.Jun 2015

In this post I’ll start diving into an answer for that latest question about what happens when a host does a tracert command for a subnet broadcast address. You’ll need to check out the question first before most of this

Read Full Article
Question: Traceroute to a subnet broadcast address – what happens?

Question: Traceroute to a subnet broadcast address – what happens?

🕔09:05, 16.Jun 2015

Here’s a new question that makes you think about LAN broadcasts. I made this one up because of a post on the Cisco Learning Network about whether routers always choose to not forward broadcasts, or not. Traditionally, routers have been

Read Full Article
Answers: Serial Link Interview Question

Answers: Serial Link Interview Question

🕔09:05, 22.May 2015

Did you pass the interview? Today’s post lists the answers to the previous interview-style question about serial links. The question posed a scenario in which a serial link wasn’t working, and you had to think about possible root causes. Answer

Read Full Article
Serial Link Interview Question

Serial Link Interview Question

🕔09:05, 19.May 2015

Today’s post poses a #CCNA question about a serial link, in the guise of an interview question. Imagine you walk into the interview, and the interviewer draws a small network diagram, and asks you to diagnose a problem? That’s the

Read Full Article
Answer Part 3: FR Global DLCIs

Answer Part 3: FR Global DLCIs

🕔09:05, 11.May 2015

Today’s post wraps up a longish answer to this earlier open-ended question. But it also explains the difference between local and global DLCIs. Check out these other two parts (part 1 and part 2) of the answer as well. also tackles

Read Full Article

Subscribe

Subscribe to our mailing list and get interesting stuff and updates to your email inbox.

Search

Categories