Jeremy McDowell (@JeremysITLab) header
Jeremy McDowell (@JeremysITLab) profile picture

Jeremy McDowell

@JeremysITLab

🇨🇦→🇯🇵 (2014～) I make educational videos about computer networking on YouTube. CCNP・日本語能力試験１級・一人社長

 Sapporo, Japan
youtube.com/c/jeremysitlab
Joined November 2019
  • Tweets2.3K
  • Following1K
  • Followers20.9K
255Media
Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)Photo by Jeremy McDowell (@JeremysITLab)
Jeremy McDowell retweeted
That Dave (@MccolmDavid) profile picture
That Dave@MccolmDavidAug 28
Made it through the CCNA exam today! In no small part thanks to the free resources from @JeremysITLab. Between the flash cards and the videos I learned and retained a huge amount. Wearing my hoodie with pride! (Refused to put it on 'till I'd passed!)
Image from That Dave (@MccolmDavid)
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Jeremy McDowell retweeted
Mr styles (@EneanyaOgenna) profile picture
Mr styles@EneanyaOgennaAug 31
A huge shoutout to @JeremysITLab your materials played a massive role in my preparation. Thank you for making such valuable networking content available and helping make this journey possible.
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Jeremy McDowell retweeted
marco (@victor_ade_) profile picture
marco@victor_ade_Jun 11
I successfully earned my CCNA certification yesterday. A huge thanks to @JeremysITLab for the outstanding YouTube training that made this achievement possible.
Image from marco (@victor_ade_)
Networking Academy (@CiscoNetAcad) profile pictureNetworking Academy
@CiscoNetAcad4 Aug 2024
Do your happy dance! 🕺💃😂 To learn more about #CiscoCerts and digital badges, check out our resources here: cs.co/6011YM0hJ
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Jeremy McDowell retweeted
Ehis (@EhistheGreat) profile picture
Ehis@EhistheGreatFeb 23
I’m exited to announce that im now CCNA certified 🥳☺️ Big Thanks to my amazing tutors @akintunero , @lanceeihoda , @TechPeakLab ,and every member of the team that made the ccna 1-3 a huge success😍 Big thanks to my day one mentor @JeremysITLab @thedatabunny @OrhanErgunCCDE teapaw.org/EhistheGreat/status/20…
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Jeremy McDowell retweeted
Game Gauntlet (@GameGauntletX) profile picture
Game Gauntlet@GameGauntletXFeb 8
Modern tech could never
Image from Game Gauntlet (@GameGauntletX)
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Jeremy McDowell retweeted
Jeremy McDowell (@JeremysITLab) profile picture
Jeremy McDowell
@JeremysITLabJan 2
Is it just me?
Image from Jeremy McDowell (@JeremysITLab)
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12/23(火)晴のち曇り最高気温11℃最低4℃…🎅🏿💦。
Image from 永井博(Hiroshi Nagai) (@hiroshipj)
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Jeremy McDowell retweeted
Danny (@dani_causual) profile picture
Danny@dani_causual19 Dec 2025
Passed the CCNA exam yesterday. Special thanks to @JeremysITLab, your course on YouTube is changing lives, and I am forever grateful to you.
Image from Danny (@dani_causual)
Networking Academy (@CiscoNetAcad) profile pictureNetworking Academy
@CiscoNetAcad4 Aug 2024
Do your happy dance! 🕺💃😂 To learn more about #CiscoCerts and digital badges, check out our resources here: cs.co/6011YM0hJ
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Jeremy McDowell retweeted
Ehis (@EhistheGreat) profile picture
Ehis@EhistheGreat30 Nov 2025
Replying to @JeremysITLab
@JeremysITLab his videos on networking on YouTube changed my life @CiscoNetAcad further made it a success . My ccna would be my biggest 😁
Abdulkadir | Cybersecurity (@cyber_razz) profile pictureAbdulkadir | Cybersecurity
@cyber_razz28 Nov 2025
Replying to @cyber_razz
7.Which certification, course, or bootcamp changed your game this year?
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Jeremy McDowell retweeted
tobi lutke (@tobi) profile picture
tobi lutke
@tobi27 Nov 2025
Yes CTV. More than one.
Image from tobi lutke (@tobi)
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Ushibori, by Kawase Hasui, 1935
Image from Masterpieces of Japan (@JapanTraCul)
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Jeremy McDowell retweeted
Russ White (@rtggeek) profile picture
Russ White
@rtggeek26 Oct 2025
ieeexplore.ieee.org/document… Of potential interest to various folks ...
Using Network Models to Understand Biological Signaling Architecture

Using Network Models to Understand Biological Signaling Architecture

Engineers have developed abstract network models to better understand the recurring problems faced by communication systems. This paper argues that these models can be generalized to describe...

ieeexplore.ieee.org
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Jeremy McDowell retweeted
Jeremy McDowell (@JeremysITLab) profile picture
Jeremy McDowell
@JeremysITLab23 Oct 2025
PhD-level intelligence 🦄
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Señor Dalí (@FdGiocondo) profile picture
Señor Dalí@FdGiocondo24 Jun 2025
Just passed my CCNA exams with just under two months of study. Shoutouts to @JeremysITLab, the most important man out of Canada ever since Drake got cancelled.
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Justin Skycak (@justinskycak) profile picture
Justin Skycak
@justinskycak21 Jun 2025
If a student doesn’t achieve automaticity on lower-level skills, it doesn’t even matter how well the teacher scaffolds a new skill – they won’t be able to do it.
Image from Justin Skycak (@justinskycak)
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#42Tokyo の学生のJeremyさんは日本語ペラペラで明るくて人気者。 実は彼、45万人もの登録者がいるカナダ人YouTuber 「Jeremy's IT Lab」なんです！！！ 42 Tokyoに通っている理由は、ネットワーク関連の知識はあるけど、プログラミングの知識をより深めるためだそうです📷@JeremysITLab
Image from 42 Tokyo | 【学費無料】エンジニア養成機関 (@42_tokyo)
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Jeremy McDowell (@JeremysITLab) profile picture
Jeremy McDowell
@JeremysITLab25 May 2025
My publisher is having a 50% off sale! Get my books Acing the CCNA Exam (Volumes 1 and 2) for half price! jitl.jp/book1-x jitl.jp/book2-x
Image from Jeremy McDowell (@JeremysITLab)
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Shane Defreitas (@Teratantum) profile picture
Shane Defreitas@Teratantum26 May 2025
Replying to @JeremysITLab
EXCELLENT BOOKS!! More than worth the buy and in my opinion better than the official ones ! ( just my 2 cents )
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Drop your answers below 👇
Jeremy McDowell (@JeremysITLab) profile pictureJeremy McDowell
@JeremysITLab8 May 2025
📝 CCNA quiz Which QoS term describes the variation in delay between packets? a) Variability b) Jitter c) Lag d) Stability
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