Wendell's CCENT Skills Blog

If you want to test your speed with today’s question, then before clicking to see more, have your stopwatch ready. Then look at host B (top), do the math, and time yourself. Then do the same for host D at the bottom of the figure, again timing yourself. Let me know how long it took! [...]

Answer below the fold. Ask clarifying questions if you have them!

Two more Techie Topic videos are now posted on the certskills YouTube channel (www.youtube.com/certskills). Both discuss host routing, which is how a host thinks about how to forward IP packets. One video then examines the encapsulation of such a packet in data link headers, and the other video discusses the use of ARP in such [...]

I posted a question about Serial Links a few days back. Here are the answers! Post with any related clarifications or comments.

Here’s another applied LAN switching question. If you like this one, also check out the question I posted last week. I’ll post the answer and explanation in a few days. Ask questions and discuss if you like. Enjoy!

Today’s post is a CCENT question about the basics of LAN switching. I’ll post the answer and explanation in a few days. Ask questions and discuss if you like. Enjoy!

This post is a heads up about a new Techie Topics video about how to analyze a subnet design to discover problems. This video looks at the second of three key perspectives for analyzing subnets for CCENT and CCNA: to compare a host’s view of the local subnet vs. the view as seen from the [...]

I posted a question about comparing wired and wireless LANs a few days back. Here are the answers! Post with any related clarifications or comments.

I posted a question about Ethernet cabling pinouts a few days back. Here are the answers! Post with any related clarifications or comments.

The idea is simple – today’s post lists the question, and a little later, I’ll post an answer and explanation. Feel free to join in a discussion as well. Also, as usual, don’t put your solution in the heading of any posts you make here, to avoid spoiling it for others. Thanks!