IPv4 Subnet Masks - N10-008 CompTIA Network+ : 1.4

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The IPv4 subnet mask determines which devices are on your local IP subnet. In this video, you’ll learn about the structure of the IPv4 subnet mask and how to calculate the subnet mask based on binary and CIDR-block notations.
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FOLLOW PROFESSOR MESSER:

[TheChristopherBaker]

This video took something I kindof understood and was explained to many in a few different ways and made complete sense out of it. I now understand the basics of subnet masks and calulations. Thank you Prof. Messer!!

[zacharyellingson]

Literally broke my confusion within 2 videos thank you!

[rdubb]

Probably the best explanatory video about subnetting out there! 🔥🔥🔥

[lionfox]

Omg, thank you. I am currently in school and about to take my Network+ exam and the area's I am having problems with you made make sense to me! I love how you break everything down. Thank you!

[immarudamu]

Great explanation on doing the calculations!

[AshleyWilliams-plxl]

I'm so happy I came across your videos. The way you explain these concepts really helps me understand. Thank you!!

[IanF]

I have watched this vid 2 times now and it just clicked. Thank you for all your efforts, breaking things down with examples on top of the production on these vids. HUGE Help!

[joshbfpv]

This video is amazing. Taking what we learned in those last couple videos and really driving it home with this one. Incredibly succinct and helpful, thanks teach.

[tenzinkunsanggurung]

Thank you! your explanation is the simplest to understand among any other sources.

[Uzi]

This was my favorite one so far. Great explanation thanks Professor

[danielfey]

Thank you for explaining this Professor Messer!

[Tuggernauts_]

Wow... This made it so much easier for me.

[calebwithers]

Dude, you're awesome! thank you for this!

[JamesBrodski]

Thank you for this video. It is great.

[RealTeflonJuan]

woahhh mind blown lol I understand now

[attaboy]

Am I allowed to use a calculator on the test?

[simonhuebner]

Do you only use CIDR block notation if you have all 1s, or can there be a 0 between them?

[CloudNexus]

Just memorize the chart its much easier than writing it down lol