A: Ethernet Cabling Pinouts

A: Ethernet Cabling Pinouts

🕔09:05, 24.Aug 2015 Which of these uses a straight-through cable: a cable between two switches? Two routers? Two PCs? A switch and a router? A switch and a hub? The list goes on for a bit. This latest question about Ethernet cabling pinouts makes Read Full Article
Q: Ethernet Cabling Pinouts

Q: Ethernet Cabling Pinouts

🕔09:05, 20.Aug 2015 #CCENT test takers sometimes struggle with going from the basic idea of a crossover cable, to looking at a network diagram and deciding which types of cable pinouts to use for each link. Today's post adds to the practice. As Read Full Article
A: Parsing Layer and Header Terminology

A: Parsing Layer and Header Terminology

🕔09:30, 17.Aug 2015 I posted a question about headers and TCP/IP layers a few days back. Here are the answers! Post with any related clarifications or comments.  Answers: A, D The TCP/IP model exists in two versions. One model uses four layers, with Read Full Article
Q: Parsing Layer and Header Terminology

Q: Parsing Layer and Header Terminology

🕔09:05, 13.Aug 2015 One big challenge for #CCENT and #CCNA test takers is interpreting tons of new terminology. Today's post poses a question about headers and encapsulation, with plenty of terms. You job is simple: interpret the scenario, the terms, and answer the Read Full Article
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

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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

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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’

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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,

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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

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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

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