Calculating IPv4 Subnets and Hosts - N10-008 CompTIA Network+ : 1.4

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  • Опубликовано: 15 сен 2021
  • Network+ Training Course Index: professormesser.link/n10008
    Professor Messer’s Course Notes: professormesser.link/008cn
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    Before you can use a shortcut to calculate subnet values, it’s useful to understand the binary math. In this video, you’ll learn how to calculate the important values of an IP subnet based on the IP address and subnet mask.
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Комментарии • 41

  • @nicholasquinn7893
    @nicholasquinn7893 Год назад +45

    Holy crap you did it. You made my brain accept subnetting.

  • @2fkinbored393
    @2fkinbored393 Год назад +15

    your way of teaching is one of the best I've come across. Thank you.

  • @ryannace5880
    @ryannace5880 9 месяцев назад +16

    As soon as CIDR notation and finding subnets between networks and hosts emerged, this became very complicated for me. I appreciate the way this topic has been broken down.

  • @zygax64
    @zygax64 Год назад +13

    Just wanted to say that this is the video that finally made it click for me.

  • @Judicial78
    @Judicial78 2 года назад +109

    Damnit... I haven't eaten all day and I am trying to learn and a pizza is on my screen :(

    • @andrewfilippo
      @andrewfilippo Год назад

      lol

    • @TanyaHakala
      @TanyaHakala 4 месяца назад

      That pizza was really distracting! lol

    • @zakiahmed6655
      @zakiahmed6655 3 месяца назад

      I skipped it so fast

    • @WoWBowz
      @WoWBowz Месяц назад

      Lmao I've been on a calorie deficit last 3 weeks for holidays, and my entire body craved that pizza. Almost started licking my screen

  • @kymkaree4370
    @kymkaree4370 Месяц назад +1

    kudos to this professor ,i really owe it to him for understanding subnetting

  • @danielswift8474
    @danielswift8474 2 года назад +42

    Your videos have helped me IMMENSELY in my studies, thank you!

  • @yorushenok7509
    @yorushenok7509 Год назад +8

    Your videos are really helpful, I am new student in the IT support industry and this makes things much easier. THANK YOU

  • @EricMata93
    @EricMata93 Месяц назад

    Professor Messer is the 🐐

  • @user-gd8mh3or9i
    @user-gd8mh3or9i 7 месяцев назад

    Explaining things in a simple and understandable way is a valuable skill!! THAnk You Sir!

  • @Tempy90
    @Tempy90 9 месяцев назад +4

    my head hurts but these examples really help cement the "math"

  • @cameronswanepoel9462
    @cameronswanepoel9462 Год назад +4

    Thank you professor messer
    I've watched a couple different videos from different people but they didn't really break it up the way you did so I was confused about how to get the subnet bits thank you very much 🙏

  • @nicole.9889
    @nicole.9889 8 дней назад

    omg, I finally understand. Thank you Professor!!!

  • @blaqwestern
    @blaqwestern 2 года назад +6

    This was very easy to follow! Thank you so much!!

  • @simplyelwin
    @simplyelwin Год назад +1

    thanks for this. learning this has been a bit overwhelming but your videos are helping.

  • @jzburda
    @jzburda Год назад +6

    Watching this before my 2 year degree in network security. Hoping to be able to utilize this information to easily pass my classes and the network+ and sec+ exam

  • @Yocef80
    @Yocef80 6 месяцев назад

    الله إرحم لك الوالدين. تعلمت الكثير منك. Thank you so much sir

  • @watermelon7956
    @watermelon7956 11 месяцев назад +1

    Really helpful great video thank you wish i saw this sooner

  • @phuonghong3085
    @phuonghong3085 Месяц назад

    Your vid is really helpful. Many thanks to you brother

  • @halo2bullseye922
    @halo2bullseye922 8 месяцев назад +2

    Great video!!

  • @user-jh2vm3lz3d
    @user-jh2vm3lz3d 7 месяцев назад

    Got the info I was looking for. Comptia did not break it down like this. Thanks.

  • @abifanny
    @abifanny 2 года назад +1

    Thank you very much!

  • @kingkong1040
    @kingkong1040 Год назад +3

    Can DHCP and subnet masks clash? What if my assigned DHCP range and subnet mask are not aligned? What would happen?

  • @stever7723
    @stever7723 3 месяца назад

    I understand. Just have to make it stick. Thank You!

  • @Duck_III
    @Duck_III Месяц назад

    Thank you professor

  • @TheodoreChin-ih7xz
    @TheodoreChin-ih7xz 6 месяцев назад

    Very nice thank you

  • @bbjr2006
    @bbjr2006 3 месяца назад

    Obrigado professor! Estou estudando para certificação através dos seus vídeos. Sou do Brasil!

    • @jonathancontreras633
      @jonathancontreras633 Месяц назад +1

      saudações, estou estudando português e também estudando essa certificação

    • @bbjr2006
      @bbjr2006 Месяц назад

      @@jonathancontreras633 sério? Que legal. Podemos nos ajudar. Também estou estudando inglês

    • @bbjr2006
      @bbjr2006 Месяц назад

      @@jonathancontreras633 que legal amigo. E eu estou estudando inglês.

  • @joshuabautista3042
    @joshuabautista3042 4 месяца назад

    Wow! Very interesting

  • @johncrocker2949
    @johncrocker2949 2 месяца назад

    Is this something that IT professionals currently do in their day to day work? Manually calculate subnets? It seems like the hardware or software would do that automatically for you.

  • @Addchannelname-hj9rr
    @Addchannelname-hj9rr 7 месяцев назад +1

    Will I need to memorize the exponent values table at 6:32 for the Net+ exam?

    • @professormesser
      @professormesser  7 месяцев назад +2

      You will need to know how to subnet an IPv4 address, and that may require you to use or memorize one or more tables. There are many different methods and shortcuts, and there are additional videos in this series with shortcuts and quick ways to calculate these values with or without pre-written tables.

  • @syedilyas1047
    @syedilyas1047 2 года назад +3

    best video