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100-105 Part 2: Ethernet LANs

A: A Port Security Question

A: A Port Security Question

🕔09:05, 7.Sep 2015 You know the drill. Check this earlier port security question, and then come back here to check your answer and logic. The answer is below the fold. Enjoy! Letter Answers: B, C, D   Explanation To answer this question, you can Read Full Article
Q: A Port Security Question

Q: A Port Security Question

🕔09:05, 3.Sep 2015 The  lobby has a live Ethernet port: it's time to lock that port down with port security. As usual, this post poses the question, and the next post (which will be linked at the bottom of this one once it's there) Read Full Article
A: LAN Switching Logic

A: LAN Switching Logic

🕔09:05, 31.Aug 2015 It seems simple... and then you're sitting at the #CCENT or #CCNA exam. Where does that Ethernet frame really go? I posted a question about LAN Switching a few days back. Here are the answers! Post with any related clarifications or comments. Read Full Article
Q: LAN Switching Logic

Q: LAN Switching Logic

🕔09:05, 27.Aug 2015 To get your #CCENT and #CCNA, you must have the skill to predict how switches forward Ethernet frames. This skill goes beyond a simple generic list of actions like forward/filter/flood. This next question gives you another chance to build those Read Full Article
Answers to Monday’s Switch LED Question

Answers to Monday’s Switch LED Question

🕔09:05, 24.Apr 2015 Here's a link to the question. The answer is below the fold. Answers: A, D The LED above the actual interfaces (ports) are port LEDs. These LEDs have different meanings depending on the setting of the LED mode, as changed Read Full Article
Question: Switch LEDs

Question: Switch LEDs

🕔09:05, 21.Apr 2015 The switch LEDs can tell you quite a bit of info about switch status. However, it's sometime difficult to get the idea if you don't have a real switch to experiment with, and press the status button on the front Read Full Article
More Answers: Switch Forwarding and What Happens Next

More Answers: Switch Forwarding and What Happens Next

🕔09:05, 13.Apr 2015 This post wraps up the discussion of the to the question listed in this earlier post – a question copied from the exam bank that comes with the ICND1 Official Cert Guide. Today’s post discussed answers D and E, at Read Full Article
Answers: Switch Forwarding and What Happens Next

Answers: Switch Forwarding and What Happens Next

🕔09:05, 9.Apr 2015 This post discusses the answers to the questions listed in the previous post. But what makes this question so challenging for someone headed for the ICND1 exam? Three things, in my opinion: 1) Application: it requires the application of concepts Read Full Article
Switch Forwarding and What Happens Next

Switch Forwarding and What Happens Next

🕔08:05, 7.Apr 2015 Today’s post lists a question that comes with the ICND1 Official Cert Guide from Cisco Press. Here’s the story. I received a reader comment about this question, and I thought, wow, this one has enough little ins and outs to Read Full Article
Answers to the “LAN Switching Logic” Question

Answers to the “LAN Switching Logic” Question

🕔09:05, 6.Jun 2014 I posted a question about LAN Switching a few days back. Here are the answers! Post with any related clarifications or comments. The key to this question is that the scenario and the question tell us that the switches use all default Read Full Article

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