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100-105 Part 2: Ethernet LANs

CCENT Question: LAN Switching Logic

CCENT Question: LAN Switching Logic

🕔09:05, 4.Jun 2014 Today's post is a #CCENT question about the basics of LAN switching. It has a similar slant to some of the recent questions here in the blog, but focused on layer 2. I'll post the answer and explanation in a Read Full Article
Answer: Switch Forwarding to Default Gateway

Answer: Switch Forwarding to Default Gateway

🕔09:05, 21.May 2014 Here's the answer to the question I posted late last week. Ask'em if you're got'em! Details below to fold to avoid spoiling it. Answers: B, C, D, E The key to this question is that the scenario and the question Read Full Article
Switch Forwarding of Frame From Host to Gateway

Switch Forwarding of Frame From Host to Gateway

🕔09:05, 16.May 2014 Sometimes #CCNA and #CCENT candidates struggle the first few times they have to apply layer 2 switching concepts and layer 3 routing concepts in the same question. That's normal - it's a lot easier to learn individual concepts than it Read Full Article
Switch Learning Vs. Switch Forwarding Question

Switch Learning Vs. Switch Forwarding Question

🕔09:05, 2.May 2014 For #CCENT and #CCNA, you need to know how switches learn, plus you need to know how switches forward frames. Sometimes, combining the two concepts (learning and forwarding) for the first time causes some mental hurdles. In today’s post, we’ll Read Full Article
Answer to the Port Security Question

Answer to the Port Security Question

🕔09:05, 28.May 2013 IPv6 addressing is in the new ICND1 100-101 and CCNA 200-120 exams, and the previous post posed a related question. Today’s post wraps the topic, showing the answer. Check out the question before flipping the page! Link to the question Read Full Article
#CCENT and #CCNA Fast Start: a Port Security Question

#CCENT and #CCNA Fast Start: a Port Security Question

🕔09:05, 24.May 2013   No muss, no #CCENT or #CCNA fuss: a straightforward Port Security question. At least it’s straightforward if you have a clear and confident concept of how IPv4 works inside the same LAN subnet. Enjoy! The Question (Wendell’s note to Read Full Article
#CCENT and #CCNA Fast Start: Port Security

#CCENT and #CCNA Fast Start: Port Security

🕔09:05, 23.May 2013 Port Security used to be spread across both halves of #CCNA (both ICND1 and ICND2). With the new exam updates, it’s all in one place, over in the ICND1/CCENT side of the equation. Today’s post gets us started with a Read Full Article
Basic Port Security 1

Basic Port Security 1

🕔07:35, 21.Jan 2012 The Cisco switch Port Security feature lets the switch monitor incoming frames, look at the source MAC address, and determine whether frames with that source address should or should not be allowed into the switch. As usual for these config labs, this Read Full Article
Answers: Switch Duplex and Speed

Answers: Switch Duplex and Speed

🕔10:52, 17.Jan 2012 This latest lab gave you some tasks related to how to configure switch ports to achieve a particular speed and duplex setting on some Ethernet NICs. Basically the lab gives you lots of exercises with choosing when to use the speed Read Full Article
Switch Duplex and Speed

Switch Duplex and Speed

🕔09:39, 10.Jan 2012 For this next lab post, instead of just asking you what the IEEE auto-negotiation rules look like, the lab asks you to configure some switches in ways that affect auto negotiation. But the lab gives you the end goal: the resulting Read Full Article

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