Subnetting Study Stages

Subnetting Study Stages

🕔13:05, 20.Feb 2018 IPv4 subnetting sits at the top of the list of challenges for #CCNA. I’m wrapping up the development of a new subnetting course, and as a result, I’ve been thinking a lot about how people learn about subnetting. How do Read Full Article
A: Matching Port Numbers with ACLs 1

A: Matching Port Numbers with ACLs 1

🕔09:05, 8.Feb 2018

First, think of TCP headers, and the source port and destination port. Then think about the predictable port – the well-known port – and whether it will be the source or destination port. Then think about the syntax of the

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Q: Matching Port Numbers with ACLs 1

Q: Matching Port Numbers with ACLs 1

🕔10:05, 5.Feb 2018

#CCNA ACL questions can uncover your weaknesses even without a detailed and complicated list of requirements to place in a single ACL. In fact, my “Acing the CCNA Exam” live course on Safari features ACL Port Matching as one of

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Wendell is Teaching Again! Live Courses on Safari.

Wendell is Teaching Again! Live Courses on Safari.

🕔13:05, 2.Feb 2018 I’m teaching again! Yep. I taught a lot back in the 1990s – week-long classes for 35 weeks a year for a couple of years even. I love teaching, but I’ve not done as much of it as late, focusing Read Full Article
Answer: Predicting ARP Messages 1

Answer: Predicting ARP Messages 1

🕔13:05, 1.Feb 2018 This latest #CCNA / #CCENT question uses a specific scenario: a working ping, a clearing of a switch MAC address table, and a repeat of the ping. The scenario hopes to make stretch a bit and think outside the box. Read Full Article

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