Lesson 35 of 114
Magic Number Subnetting (part 3 of 3)
CompTIA Network+ (N10-009) · objective 1.7
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Speed
This lesson’s steps
Watch the step+10 XP
Watch to the end. Slow it down or loop the tricky part as often as you need.
Try it yourself+25 XP
Use the magic number method to find the network and broadcast of 172.16.45.100/20. Repeat with three addresses of your own.
Log what you made+40 XP
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Quick check
3 questions · +15 XPRecalling what you just watched is one of the best ways to remember it. No timer.
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