Introduction to Networking

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  • Опубликовано: 17 фев 2011
  • Follow the Insanity at: www.FailedNormal.com
    Downloadable Podcasts at: failednormal.podbean.com
    iTunes: itunes.apple.com/us/podcast/f...
    55 Minutes
    Synopsis:
    This class introduces students to the equipment used in computer networking. This class teaches students what each individual piece of equipment does, and how they work together.
    Prerequisites:
    None
    This class talks about:
    Modems
    Routers
    Firewalls
    VPN
    Switches
    Wireless Access Points
    Cabling
    Clients, Devices and Servers
    Defines Logical and Physical
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Комментарии • 1,3 тыс.

  • @junyimo1386
    @junyimo1386 4 года назад +107

    Modems : 11:50
    Routers : 20:50
    Firewalls : 23:02
    VPN : 25:20
    Switches : 29:02
    Wireless Access Points : 35:21
    Network Cabling : 42:41
    Clients, Devices and Servers : 47:08
    Wrapping Up : 50:30
    Defines Logical and Physical : 51:21

  • @meganst.clair-whicker3294
    @meganst.clair-whicker3294 7 лет назад +314

    I learnt more from your video today than what I have learnt at University for this whole semester. Thank you

    • @victoramini9497
      @victoramini9497 6 лет назад +1

      how are you

    • @Joris13T
      @Joris13T 6 лет назад +16

      I hope you're joking, otherwise you should better change university :D

    • @marandajannetti1929
      @marandajannetti1929 6 лет назад +4

      I learned that you cannot spell learned.

    • @heshamalsun
      @heshamalsun 6 лет назад +22

      learnt is another spelling of learned ;)
      www.oxfordlearnersdictionaries.com/definition/english/learn#learn__4

    • @boywonderrr71
      @boywonderrr71 6 лет назад +8

      JUST FYI: learn
      lərn/Submit
      verb
      past tense: learnt; past participle: learnt

  • @ArcardMgendi
    @ArcardMgendi 3 месяца назад +3

    I started listening to Eli back in 2013 before I did enrolled for an ICT Course. I am here 10 years later and the content is still relevant to what I am currently doing. You are so great Eli👌

  • @HardeepSingh-iy4wn
    @HardeepSingh-iy4wn 8 лет назад +151

    I'm absolutely grateful for someone like you. A lot of people want answers and some people will not tell you anything. Which is a shame. I have learned so much from you I thank God for you. Keep up the good work,You will be blessed.

  • @jamespatterson6972
    @jamespatterson6972 8 лет назад +33

    This is indeed a FANTASTIC set of videos. Got me rethinking the notion of building my own server. I build my own PC's but never stepped into the deep waters of computer servers. I need to study these videos some more. A lot more!

  • @kaying8076
    @kaying8076 9 лет назад +6

    Hello Eli Sir, You stepwise introduction of key elements and important concepts in Computer science does help me a lot in grabbing knowledge of computer world. I am a recent non computer science graduate from Hong Kong now working in IT industry.Your videos really gear me up. Thank you very much, Sir.

  • @elibonny5650
    @elibonny5650 3 года назад +2

    Yo Eli (no i'm not stealing your name, my parents did that) I'm watching this in 2020. I started as a servicedesk agent in a pretty big IT outsourcing company. Today I'm a support engineer on his way to becoming a system engineer. Your video's have helped me a lot and still do. Thanks for all the work you put into this.

  • @christinaboccadoro9328
    @christinaboccadoro9328 3 года назад +2

    As a brand new Cyber Security Masters student with barley any real world experience with networks, this video helped me soooo much. Saved my life THANK YOU

  • @LynnMcAllister
    @LynnMcAllister 2 года назад +5

    Hi Eli, I’m happy to see your returning to YT with the Dojo. Even though this series is almost 15yo it has helped me in my career and enabled a woman in tech. It’s amazing the impact you can do with your videos and the way you teach is so clear. Thank you!!

  • @clover831
    @clover831 8 лет назад +4

    Thank you Eli, for these classes. They are very helpful. Your a great teacher! I look forward to more of your classes.

  • @nonnormalhemauers
    @nonnormalhemauers 6 лет назад +1

    You have so many amazing series and I'm loving them, I'm learning so much! Even in 2018, nearly a decade after this was created, I'm realizing the ties this has to modern technology and it's extremely helpful. Thank you so much.

  • @davidsonadams6166
    @davidsonadams6166 11 лет назад

    Eli, you are one of my best teacher in IT. Every bits of your lessons breaks walls that some teachers built for hard penetrations. You makes it easy to cross over. Thank you.

  • @rachitchhabra9578
    @rachitchhabra9578 6 лет назад +7

    I cannot thank you enough ELI!!
    I got a job after watching around 10 videos from this playlist.
    Love you:)

  • @eddiemegao1471
    @eddiemegao1471 9 лет назад +3

    ...I don't need to take up computer classes...I have already downloaded your whole channel...about 810 videos :).....alert me when you add new videos and I will get add it onto my collection...You rock!!! You make it look so easy! Thanks!!!

    • @2987ms
      @2987ms 9 лет назад +1

      Did you download them one by one? If not then how did you download multiple at once? :P

  • @jeremye997
    @jeremye997 10 лет назад +1

    wow Eli thanks for taking your time to do all this man! I always find myself watching your videos at work and during lunch since I am a Jr Tech and still learning everyday..anywhere I can donate I'd be happy to do so for all this, one of that many who appreciates these videos that you do (:

  • @cartoonlovers2336
    @cartoonlovers2336 5 лет назад

    This guy deserves an award for his amazing explanation. I'm truly grateful for your help, keep up the good work.

  • @AnalyticalSentient
    @AnalyticalSentient 8 лет назад +75

    Thank you for this, sir! I admire the free uploading of this educational content (time and investment put in on your part, etc.)

    • @AnalyticalSentient
      @AnalyticalSentient 7 лет назад +11

      jwahh Were _you_ required to pay for this educational content? No; that was my point. Furthermore, I doubt that he is 'rolling in the dough'; the compensation that he does receive from what you accurately referenced nonetheless may well not be completely proportionate to all of the time and work that he puts in to researching, composing, editing, uploading, and annotating the videos here. But I do acknowledge and understand your point.

    • @timmytim9054
      @timmytim9054 5 лет назад

      Analytical Sentient // Alan's Vlog it’s better to teach on youtube than teach IRL. He makes money while sleeping!

  • @GuidoGoyaBeans
    @GuidoGoyaBeans 9 лет назад +12

    Eli is considered to be those who give help to others who can't afford an education. Thank you Eli!

  • @Abhyyt
    @Abhyyt 10 лет назад +1

    thank you very much Eli, it's priceless to receive such a great peace of knowledge without any spending and you are a fantastic teacher!! and it's even more priceless when I am studying this for my interview!!

  • @jk-qr4pr
    @jk-qr4pr 9 лет назад +1

    You've helped me tie so many concepts together. I can't thank you enough for all these videos.

  • @ConstructionBusiness
    @ConstructionBusiness 10 лет назад +44

    You are very good at explaining clearly your knowledge, thank you very much!

  • @mordesignstech9346
    @mordesignstech9346 5 лет назад +96

    watching in 2019 and still informative , thank you Eli

    • @OnBitTechnology
      @OnBitTechnology 4 года назад +19

      Still watching in 2020 thanks eli

    • @PranavBhattarai
      @PranavBhattarai 4 года назад +8

      Still watching in 2021 & still informative, thank u Eli

    • @Bdstx563
      @Bdstx563 4 года назад +3

      Still watching in 2022. Still amazing. Thanks Bud.

    • @tayfun6378
      @tayfun6378 4 года назад +2

      I was looking for networking in 2020. is this still valid?

    • @BanAhchad
      @BanAhchad 4 года назад

      This man is almost at 1 mil

  • @cmhought
    @cmhought 7 лет назад +1

    Great information! Thanks for breaking it down and simplifying this information for the technological illiterate. I appreciate you explaining SPEED and the different way to connect to networks. I never paid too much attention to the fact that they were so diverse for many reasons.

  • @zyzzx00
    @zyzzx00 10 лет назад +1

    Very well done. Thank you so much. I've been a programmer for many years, and never got into networks before. Informative and easy to understand: kudos. I wish more instructional videos on RUclips were this well done.

  • @hollowdreams7732
    @hollowdreams7732 7 лет назад +6

    I wanted to thank you for making such awesome videos. I was taking a course on the Windows 8 OS last semester, and found myself watching another of your videos as extra help. I passed it on to my instructor and told her how user friendly i found your video, next thing I know I'm watching this the first day of a new semester! I enjoy your videos and hope she continues to point us to them, keep up the good work man! (she may have come across your videos on her own too, either way i found my way here.)

  • @alphatown6563
    @alphatown6563 8 лет назад +151

    14:16 just checking your invisible watch to know what year it is :D

    • @dobby240
      @dobby240 8 лет назад +2

      +AlphaTown Haha! i thought the same thing xD

    • @davids4767
      @davids4767 8 лет назад +7

      +AlphaTown he time traveled. Has a smart watch in 2011

    • @50PullUps
      @50PullUps 8 лет назад +2

      +AlphaTown hahaha so much win

    • @aboodamr532
      @aboodamr532 8 лет назад

      +David S
      Actually Smartwatches where here for a long time.
      Distributed Systems Concepts and Design, published on 2001 has a mention of smartwatches.

    • @choomchouy2788
      @choomchouy2788 7 лет назад

      Good

  • @theartofswe7993
    @theartofswe7993 2 года назад +1

    It’s the end of 2021, and I’m back to watching this gem again..

  • @Iamchefapple
    @Iamchefapple 8 лет назад +1

    Hey ELI, I am in Full Sail and they are using one of your videos as a portion of the school. As always you're incredible. Thank you for your help with the tee-shirt all those years ago, and now for this video.

  • @sister2sisterbeauty997
    @sister2sisterbeauty997 8 лет назад +3

    God bless you Eli!...you make me love Networking more and more. Thank you.

  • @thankgodwilson1142
    @thankgodwilson1142 7 лет назад +4

    I like the way you teach I was lame before but your teachings broadened me

  • @carlosfernandez6470
    @carlosfernandez6470 4 года назад

    Just start watching this networking playlist on feb 2020 and still can't believe how much i learnt. You are an awesome teacher . Congratulations your are really good explaining real difficult thing. Thanks a lot

  • @jessielariscey2120
    @jessielariscey2120 8 лет назад

    This video was brilliant. I'm in an Intro to Networking class right now and this was extremely helpful. You presented everything in a good clear way that was easy to understand.

  • @mbmelone
    @mbmelone 8 лет назад +56

    Great primer on basic concepts...Even in 2016!

  • @Hagar_Hershko
    @Hagar_Hershko 3 года назад +3

    WATCHING IN 2020 AND STILL INFORMATIVE. WELL DONE

  • @TrippyCusp93
    @TrippyCusp93 8 лет назад

    This was great. I love the visualization of the Internet cloud and how it connects to the modem, router, firewall, and switch. There were so many things I had no idea about...and this is just an introduction! I never knew there were so many WAP standards. Thanks for sharing this informative video!

  • @hutchie2468
    @hutchie2468 8 лет назад +1

    Just wanted to say thanks mate, your videos have helped me a great deal with my studies I cant thank you enough.
    Keep up the good work.
    Matt

  • @musaismail1943
    @musaismail1943 9 лет назад +3

    You really are the computer Guy, I want you to know that your video is the best to me because you explain each word clearly for perfect understanding .. Thanks alot Eli or Prof.Eli (LOL)

  • @mewwew411
    @mewwew411 9 лет назад +112

    I thought you were a prison inmate in the thumbnail.

  • @michaelshaneyfelt9765
    @michaelshaneyfelt9765 7 лет назад +1

    Very appreciative of the information uploaded here, learned more about cabling that I didn't know starting out. Thank you!

  • @swatisajeekumar6877
    @swatisajeekumar6877 5 лет назад

    I agree to people when they say they have never learnt this much in universities how much we got to learn from you. Thanks a lot. I have seen many videos for my other subjects as well your tutorials have been the best among all.

  • @emmanueladebiyi9386
    @emmanueladebiyi9386 9 лет назад +31

    This guy is brilliant

  • @Somebody-Somewhere-
    @Somebody-Somewhere- 9 лет назад +5

    Eli, I effing love your videos!

  • @LNDCRUZIN
    @LNDCRUZIN 5 лет назад

    I love this dude, I watched most of his videos throughout a period of 6 months and thanks to him I’ve been working in IT for well over 1 year, I’m making good money and I’m so grateful for Eli!

  • @chillingmeko
    @chillingmeko 9 лет назад +1

    I've learned more from this one video then a whole week in my college computer science networking class. Thank you. :)

  • @Tio_Kenobi
    @Tio_Kenobi 8 лет назад +61

    am i the only one bothered by the fact that he doesn't fully erase the white board? ._.

    • @jerrygladwell4151
      @jerrygladwell4151 8 лет назад

      +Miguel Mederos LOL, I kept waiting for him to go back clean it up!

    • @stesim
      @stesim 8 лет назад +16

      In a word? Yes. This man's instructions are some of the most valuable tools I've found to date. Not only for Techs, but for those who are entering into the net field. The key is to LISTEN, and not be so petty regarding what his white board looks like.

    • @MedicatedReviewer
      @MedicatedReviewer 8 лет назад

      +Miguel Mederos lol that's always been a problem for me. Might be a mild form of OCD

    • @johnnycincocero
      @johnnycincocero 8 лет назад +2

      +Miguel Mederos OCD

    • @computergarage-australia2301
      @computergarage-australia2301 8 лет назад

      +Miguel Mederos its probably more visible because of the bright spots he uses to record his videos

  • @regisatlas
    @regisatlas 8 лет назад +18

    this video is gold

  • @srcarroll
    @srcarroll 5 месяцев назад

    I had to watch this as a part of my project for class and I am actually really happy I did. Learned so much. Thank you!

  • @CoachKnapp
    @CoachKnapp 10 лет назад

    We are all so lucky that you have found your gift, and, that it includes you sharing it with the world. Keep up the great Eli !

  • @Mymatevince
    @Mymatevince 9 лет назад +17

    Very informative, well done!

  • @BaSs_HaXoR
    @BaSs_HaXoR 10 лет назад +21

    This guy is so smart. :)

  • @Hard2Die2
    @Hard2Die2 7 лет назад

    Eli, thank you for workshops. These video lessons are a tremendous source of information. Even two yeasts later. Much appreciated mate. 👍

  • @madcracker84
    @madcracker84 5 лет назад +1

    Im watching this in 2018 and it's insane how much has changed. At least the core info is still the same.

  • @Salad360
    @Salad360 10 лет назад +7

    DSL speeds can exceed 20 Mb nowadays. They've gotten over 100 in laboratory testing.

    • @Silasapocalypse
      @Silasapocalypse 9 лет назад +9

      This video was made in 2009. Serviceable DSL speeds at that time were capped at about 20 Mbps. It has taken pretty big leaps in technology to get above the 20 Mbps.

  • @dbahamed
    @dbahamed 10 лет назад +4

    Educative and Informative

  • @brittanylaflower2448
    @brittanylaflower2448 9 лет назад

    I learned so many new things about networking and wireless devices that i didn't even know were there. This was very educational and enjoyable i appreciate it.

  • @FeistyJackball
    @FeistyJackball 6 лет назад

    Thanks Eli. This was very, very helpful. Trying to claw my way out of end user, helpdesk support and learn the physical mechanics of the back-end. This cleared up a lot of confusion and misconceptions I had while trying to learn from others. Nice work.

  • @slurmitshighlyaddictive5641
    @slurmitshighlyaddictive5641 8 лет назад +55

    "speed is ridiculous"
    especially if you mix it with heroin.

    • @mrbreez33
      @mrbreez33 8 лет назад +2

      +Slurm its highly addictive VaaaHAAHHAAHAaaa!!!

    • @mrbreez33
      @mrbreez33 8 лет назад +1

      +Slurm its highly addictive VaaaHAAHHAAHAaaa!!!

    • @70ME3E
      @70ME3E 4 года назад

      very clever joke
      kappa

    • @Byyte
      @Byyte 4 года назад

      "Shut up and take my money" 😂😂

  • @Bart_Depestele
    @Bart_Depestele 10 лет назад +36

    click 12:45 to hear Eli's song :D

    • @nycxabsolut
      @nycxabsolut 10 лет назад +4

      Haha nice that was a good song

    • @Bart_Depestele
      @Bart_Depestele 10 лет назад +7

      did you click twice ? :)

    • @AbhimanyuAryan
      @AbhimanyuAryan 10 лет назад +2

      ridiculous sound for modem.....pleasant song for eli

    • @1NcognitoXx
      @1NcognitoXx 10 лет назад +6

      I just knew there would be a comment about this the second I heard it and if not, I was going to leave it myself...

    • @syazaba5022
      @syazaba5022 5 лет назад

      Lol

  • @Caesar1313
    @Caesar1313 8 лет назад

    Great video, very clear explanations without getting non-technical viewers lost.

  • @nghiadinh94
    @nghiadinh94 9 лет назад

    I just think your channel is very awesome with all the topics I love to learn about. And they are very well explained. Thanks a lot! Keep up you good work!

  • @manu2137
    @manu2137 3 года назад +5

    watching in 2020 november

  • @krissmith9428
    @krissmith9428 5 лет назад +5

    Can you do a more recent networking tutorial?

  • @soreskild
    @soreskild 8 лет назад +2

    Very informative, takes real knowledge to break down these topics into an easy to explain format.

  • @nicolasmyth4664
    @nicolasmyth4664 9 лет назад

    Eli is the whole package. Flawless videos. I cannot praise him enough.

  • @adrianpeirson5027
    @adrianpeirson5027 8 лет назад +4

    Very useful thanks.

  • @digbyte
    @digbyte 10 лет назад +7

    @12:45- is that a dial up modem or an ewok talking?

  • @MrAlixsander
    @MrAlixsander 7 лет назад +1

    2017 and still getting fantastic information from this old video
    thank you so much master

  • @gavrunov
    @gavrunov 7 лет назад +1

    Eli, thanks for your time and efforts! I'm learning a hell of them!

  • @chrisw6310
    @chrisw6310 8 лет назад +25

    It always helps to have a 🔥 instructor lol. #Woof

  • @ink5473
    @ink5473 8 лет назад +12

    Throw your hub away ladies, No, not that hub. lol.

  • @MrCward12592
    @MrCward12592 9 лет назад

    While I am not a student, I am interested in learning more about how computers and networks operate. I have been watching your videos and can honestly say they are very informative and seem to flow logically. Looking forward to watching more of your videos.

  • @mohamedyare8348
    @mohamedyare8348 3 года назад +1

    On this topic u hve taken me from grass to grace. You choose to go back to class and teach and I hope there is no competition in this. Thnk you so much stay blessed.

  • @uncledrewaquino6888
    @uncledrewaquino6888 5 лет назад +4

    You make everything looks simple, man!
    Youre a beast and the best!!!!!
    Pls Shoutout @uncledrew from SG in your next vid lol

  • @03allen
    @03allen 4 года назад +3

    lmao, you didn't change too much these 10 years.

  • @mohammadhabib3051
    @mohammadhabib3051 11 лет назад

    These are the best tutorials ever on IT at youtube. I just started with the Networking Classes. Lot to study :) And so nicely presented and broken down into easiest explanation possible. Thank you Elithecomputerguy. Well I love when some people spend their precious time to help others (For free :D). and please keep updating us. Thanks again.

  • @jdsgotninelives
    @jdsgotninelives 11 лет назад

    I finally have a basic understanding of the relationship between the devices on the network, their name, their function, and their appropriate position. Thank-you very much for sharing your knowledge

  • @eagle12687
    @eagle12687 7 лет назад +7

    This first video alone was incredibly helpful. Thank you.
    Romans 10:13 "For whosoever shall call upon the name of the Lord shall be saved." (KJV)

  • @lalaithan
    @lalaithan 7 лет назад +13

    You should put those timestamp bookmarks in your comments to make it easier to go back to something since the video is so long.

    • @Dxwill10
      @Dxwill10 7 лет назад +1

      Boy would that have been helpful.

  • @ejcena
    @ejcena 10 лет назад +2

    Concise, well-defined and brilliantly explained. Thank You.

  • @andreitapuc2997
    @andreitapuc2997 6 лет назад

    I'm glad that i found this channel, full of usefull resourcess i just started to learn networking etc and this Playlist is amazing, in class i can do now whatever i want(that means i try to watch all the videos of this channel) just because i know all the stuff that the teacher is teaching us, thanks to this playlist

  • @FairfaxWizard
    @FairfaxWizard 10 лет назад +126

    4 years of BS degree in IT in 1 hour

    • @ZeppinnEU
      @ZeppinnEU 5 лет назад +16

      What a shit degree you got lol.

    • @rahulranjan7899
      @rahulranjan7899 5 лет назад +6

      @@ZeppinnEU Eat my shit. Lel!

    • @kjcarter100
      @kjcarter100 5 лет назад +2

      Really?

    • @ZeppinnEU
      @ZeppinnEU 5 лет назад +10

      @@rahulranjan7899 r/indianpeoplecomments

    • @thumper300zx
      @thumper300zx 3 года назад

      At Trump University. That said, thanks Eli. Great video.

  • @dobby240
    @dobby240 8 лет назад +3

    The noise at 40:05 made me laugh my ass off i was minimised and thought the door behind me was shutting in the wind XD

  • @rubyvib
    @rubyvib 9 лет назад

    i just love your tutorials and someone who is not technical yet needs to understand the terminology

  • @emadendrawes4302
    @emadendrawes4302 6 лет назад +1

    You are a really awesome instructor, Your way is easy to understand, language is very clear. taking it step by step. EXCELLENT WORK, I wish I can give you a Million thumbs up. Thank you so much.

  • @oprabin
    @oprabin 7 лет назад +4

    My goodness, I actually laughed at the beginning!
    xD

  • @AbraxasTheSecond
    @AbraxasTheSecond 9 лет назад +9

    10:20 500MB Hard Drive? Man, nowadays, people are dissatisfied with 500GB hard drives!

  • @agentleon3303
    @agentleon3303 8 лет назад

    +eli the computer guy hey man thanks for the real world relevant side information needed. I'm currently a student with a 4.0 studying Network Engineering in one of the most prestigious community colleges in the country, i've learned little fundamental things from you that even curriculum giants over here don't even bother to cover and it hinder's one's ability to have an eagle eye perspective of this networking craft. You've put the missing pieces together. Keep up the good work you've earned a like and subscriber over here!

  • @cliftonmondouche410
    @cliftonmondouche410 9 лет назад

    Hi Eli,
    Having watched your clips I found them informative, interesting and fun. After watching these I have really got the bug and cant wait to watch the rest. Nice one Eli

  • @kontrollVK
    @kontrollVK 7 лет назад +8

    wonder who hates on stuff like this!!

  • @awholelota
    @awholelota 10 лет назад +3

    Dubstep at 12:45

  • @muzlupasta2980
    @muzlupasta2980 9 лет назад +1

    Thanks a lot :) Your videos are the best i have ever seen so far. Even somebody who has no idea about information and technology world can figure out what you explain.

  • @deenatamil
    @deenatamil 9 лет назад

    Nobody else on this earth could explain these concepts just as you.... Man you rock... am your fan... am ur student indeed... thank you so much for all your uploads...

  • @EveryDayLifeChannel9777
    @EveryDayLifeChannel9777 7 лет назад +3

    The internet came from magical ski gods, no one understands how it works! lmao

  • @tristanh4023
    @tristanh4023 8 лет назад +8

    "no one really knows how the Internet works" ...... uhhh

  • @alphalimo6313
    @alphalimo6313 3 года назад

    As an IT student I appreciate you and may almighty bless you to continue with us to the further.

  • @AP-dg2en
    @AP-dg2en 9 лет назад

    I absolutely love listening to your lectures, you have such talent for teaching. I am actually paying attention to everything you say and I have learnt a lot. Thank you so much for doing this!!!!

  • @iLLmatic240
    @iLLmatic240 5 лет назад +7

    does anyone know if this information is still valid in 2019?

    • @zachwild1787
      @zachwild1787 5 лет назад +1

      since the internet is being rewritten in javascript most of these libraries are deprecated

    • @dewaldmaritz6809
      @dewaldmaritz6809 4 года назад

      Yes and no

    • @UnknownPerson-np4rq
      @UnknownPerson-np4rq 4 года назад

      I was thinking the same thing . When he talked about 4g network . I got bell ringing in my head . Please recommend me any other latest networking video if you know ??

  • @kicstart1
    @kicstart1 9 лет назад +4

    Dude, I get you, I love you. You're speaking English to me. Thanks for getting me through my NET 125.

  • @palashkhan2077
    @palashkhan2077 3 года назад

    Such a great description, Thanks a lot for all the efforts you have given man. Helps a lot ....

  • @aghorhythm
    @aghorhythm 9 лет назад

    Thanks Eli, for sharing knowledge and all the efforts, and making it all really easy to understand.