Subnetting Study Stages
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
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Archive
A: Matching Port Numbers with ACLs 1
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
Q: Matching Port Numbers with ACLs 1
#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
Wendell is Teaching Again! Live Courses on Safari.
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
Answer: Predicting ARP Messages 1
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.
