I am. 49 YEAR old Filipina, i was CCNA cerified in 2001 and last handled a cisco network in 2003, I am broke and find this free CCNA course a blessing!! God bless you Jeremy!
I’ve watched a whole lot of other people explain a lot for these CCNA videos and often glossing over explaining smaller details without much real explanation. But Jeremy you cover every bit in great detail with patience of delivering clarity of understanding. As well the recapping to enforce you understood the material. So awesome! Bought the entire course on Udemy as well in support with my exam in early September.
yeah coming from professor messers power point presentations this feels like i'm actually learning something. I think the difference is because CCNA is vender specific you can actually teach the nitty gritty commands and stuff. When it's a general networking course you never dive deep into one area.
Don't mind me, I'm justing saving this for my reviewers :D 1:02 Review L1,L2 3:32 Determining Number of LANs 4:50 Review of PDUs 5:49 Ethernet Frame Header and Trailer Overview 7:26 Preamble, SFD 8:38 Destination, Source 9:31 Type/Length 11:48 FCS 13:37 Length of Header and Trailer 13:55 MAC Address 15:27 Decimal System Review 17:25 Hexadecimal System Overview 19:44 LAN Switching 31:33 QUIZ
I never thought I would take a course in English one day and understand so well like that. You are the best! continue like this. And thank you very much
How you are able to convey complex processes into clear and understandable language is beyond me. I want to sincerely thank you for making sense of this stuff. You are the best tech teacher I listened to by far. When I pass the exam I will be sending you a written thank you letter.
Jeremy, you are a Godsend! Thank you for these uploads. I'm just about to attempt the CCNA part 1 final, and your vids are excellent to review what I have learned. Well built, well explained and easy to listen to lessons, and the addition of flash cards and PT excersises are really helpful. Keep up the good work please!
@@JeremysITLab Hi, you mentioned that Data Link Layer supports router to router connectivity but this layer mainly deals with switches (frames) and routers work with packets. So how Data Link layer can provide router t router connectivity. Isn't it the work of the Network Layer instead?
@@MubeenAkhtar keep in mind that a data link PDU is called a frame. Router doesn't know about a packet until it's decrypted back to a packet. If Data Link layer isn't at work then router really can't know how bigger a packet is or what's the start bits f a packet (frame actually) and what's end bit(s). Data Link layer does all that.
The delivery for all this information is great, Jeremy. You're covering auditory, visual & kinesthetic learning styles, and the flash cards are a huge help. I look forward to my study time with your course.
Yep, as someone who always needs more concrete things with visual examples that I at least can _imagine_ touching and interacting with physically, I think Jeremy really rocks as a teacher. I've noticed it from the very start, because no one (that I've tried to learn from) does that and that was always the reason why it's so hard and frustrating for me to learn even most simple things. New concepts, even very simple ones, are never truly undersood (by me) until I 'get the feel' of them in practice or at least something concrete (like a very concrete picture of a switch of a certain real model with real ports and stuff) to lean on. I've seen many people teaching this and other topics online, making video playlistst like you did, and I've seen their students commenting similar things about those teachers being really good at teaching, but they don't know (or don't understand, or can't put into words, idk) the difference between those teachers and you, Jeremy. Maybe because for them it's not that critical to have concrete things or maybe because they've never seen your vids. Er, just wanted to tell you that the work you've gone to cover your auditory is REALLY, REALLY fucking appreciated. It shows and it makes a huge difference. I was losing hope that there's an online teacher somewhere who can teach such topics to those who are of a more practical mindset (like me). Glad to have found you. Using your flashcards, doing all the labs and enjoying the whole process fully.
Just here to show some more support. Your videos have personally taken me a long ways. Thank you very much man! When you explain why an answer is incorrect and why the correct answer is correct it really helps build a stronger foundation during all of this learning. Thanks again man!
You are the most talented tutor I have seen in my life. I really wonder how nicely you explained the topic. I have seen so many videos on youtube but your videos are the best among all. Really I salute you. You are the best teacher. Please keep it up.
Your style of teaching the meaning of Hexadecimal values and other stuffs in many of your videos are concise, to the point and at the same time it is in detail. no one can be concise and elaborative at the same time, you know what content to cover, how much to cover and which is more important.
I always knew how to count.. but literally just understood decimal thanks to your training. I hope you know you make millions happy learning this information from you and I couldn't thank you enough. Thank you Jeremy.
you are very generous and properous man . you had given this to us like a charity. very beautfull heart. May be your wife is very lucky to have you. usually the is case is other way round. May God give more than you expected.
I'm learning through Cisco's net Acad, almost through the entire ITN I, and I just found this resource, so I'm going through this playlist to refresh myself on everything I've learned. It's very helpful hearing someone go over this in a video format rather than just reading the content. Great resource!
I have learned so much this past few days watching your video. Yesterday, on day 4 Lab, I learn how to place my first commands, enable, configure, and so on. Sometimes I'm afraid to keep watching the next video cause I think it will be too hard, but from now on I will keep it on since you make it very easy to understand. Thanks a lot my friend, you rock as a teacher.
Thank you so much for this CCNA series Jeremy, I've always loved network engineering, and i found your channel couple years ago. But when i was in college, i was tempted by those people who want to be software engineer/programmer, so I stopped studying network engineering and want to switch career path. But i realized now that my passion is really in network engineering, so i decided to start over on this journey. Wish me luck and God bless you sir!
The flashcards are absolute fire. I passed Net+ a year ago before deciding I wanted to go further down the rabbit hole and they are helping me review and really narrow in on the detail. 10/10 course so far. 12/10 for the free labs, too.
Salute you Sir Jeremy... You are the most talented tutor I have seen in TH-cam. I wonder how you could go to the simplest form to teach others when you have enough knowledge and experience with you. This is real talent. I loved it to the core...I am borrowing and slightly changing a sentence from my daughters fathers day gift card: I love your lessons TO THE MOON and back...Waiting for your more videos.
These videos are great, as a software developer that uses primarily javascript, python, i don't know much about the inner workings of computer architecture or networking, just application level protocols such as http, it's fascinating to learn how things work under the hood, i don't know for sure if someday i'll try to enroll in a cisco course for a ccna certification, yet i feel that the content that i'll be learning with your videos will help me be a better engineer anyways. Keep the good work jeremy, you are helping a lot of people get closer to their goals.
So far, I feel like I am understanding these concepts much better from your videos than from my college networking course. Thank you for this series and I look forward to continuing to use it for my CCNA studies!
The course is just brilliant. It suits dinosaur dads still feeling like double checking something and undergrads. My 1c contribution is to let undergrads know that MAC is built into a NIC and devices may have more than one NIC. It does NOT make a single sentence incorrect and may not even be on the exam, but kids should rather learn it sooner.. There was ‘must learn the lesson’ story few decades ago.
wow, this is interesting to learn about how thing i use everyday work. i'm an IT support now i wanna upgrade myself, CCNA is the first certification i try to get, thank you Jeremy, this course teach me about network more than any class in school
Definitely the best teacher for this certification....I got my CCNA R&S about 4 years ago, I wanted to review a couple of terms again since I’ve been out of my field for about 2 years, and your videos were the answer to review everything and the get updated on current themes covered by the newest CCNA....I’m planning to get the CCNP R&S, and I’m using your videos as a study guide to review everything and later I’ll use official sources from Cisco to get even more prepared for the CCNP...I can on,y say one thing...THANKS!
Thank you for presenting this free CCNA course. I loved the way you explained the Decimal and the Hexadecimal numbering systems. I probably heard the Decimal system explained this way when learning about numbering/counting/math. However, it was fascinating to hear it expressed this way. Thank you again!
@jeremy's IT Lab I know that decimal is something we learned in elementary, but it is still good to have an explanation of how it works and you are the furst CCNA instructor I ever seen explain it. I hope I speak for everyone, when I say thank you for being thorough.
Thank you so much! I mean this much information , such great teaching for free. I am a Computer Science major , I am interested to know more about networking and I'm learning everyday from you. You're the best teacher. Thank you.
Super easy to understand, i have no networking background although i work as a Installation and repair technician. I am enjoying your video tutorials on my road to my CCNA certification exam
Thank you so much Jeremy for teaching us this course. Your videos are very informative and I am learning ccna concepts much more quicker than my class tutor. As English is my second language I understand every concepts very easily because you speak very clearly. I hope 🤞 I will clear ccna exam by watching your videos and practicing labs. Thanks once again.
Sir, we need to Thank you for sharing your knowledge and helping number of people to gain wonderful knowledge and pass exam for absolute free. There is no need of you thanking us sir 🙏
The hexadecimal one is a tricky one to remember. I looked up mac addess OUI and it says the first 6 digits. That makes sense to me. I look forward getting into Hexidecimal. I really need to wrap my head about it.
This boy is a legend. Im an electrical engineer, not specificed in networking But with his notes, i really feel that. Im the best networking engineer ever!
Yes this is good stuff as its simplified and explained. If you are a first timer you can follow this. You still kind of have to have some basic knowledge.
Top quality video Jeremy!! Everything is so well explained. Especially the hexadecimal system! It always seemed complicated to me. Yet you have shown me just how simple it is. Thank you!
Thank you for all the hard work you've been doing. Your teaching method is really interesting and simple. May God grant you a material-spiritual reward.
FYI: The BIA (Burned-In Address) is not always the same as the mac address. You can logically change the mac address to something different. The BIA is the mac address from the factory. I use to think B.I.A and Mac Address were synonyms.
in future videos in this CCNA playlist you will also come across other meaning of DORA, I hope you will find other name for Jeremy- the best networking instructor!. DORA have other meaning in networking terminology especially in CCNA scope. DORA stands for the four-step process used by DHCP (Dynamic Host Configuration Protocol) to lease IP addresses to clients i.e DORA = Discovery Offer Request Acknowledge
The videos are amazing, you explain even the small concepts with great enthusiasm and great clarity, like how the decimal number system works. It turns out to be a great help when someone explains such small topics because it helped me gain clarity on decimal number system. Thanks Jeremy. You the man 🤙🏻
Thank you. The lessons are indeed clear and the anki cards really helped me to memorize terms. AHHHH I'm so grateful for this brother Jeremy. God bless you
Same here, like if i'm in a class room getting private lessons with outstanding teaching material. Hopefully you make one day the same course for CCNP. Only need some examdumps to succeed. Thanks a lot Jeremy!
I would suggest for the Anki card “A switch will flood an [...] unicast frame.”, you change it to “A switch will flood a/an [...] unicast frame.” So as not to give away the answer so easily. Appreciate that the cards are editable and we can change this ourselves. And, as always, great videos.
Hii Jeremy..you are just amazing teacher. I really love the way you explain all the topics and I love the last part of your video.. The Quiz Question. It helping me a lot to go through CCNA. GOD BLESS YOU MAN. LOVE FROM INDIA.
15:40 It might sound funny, but decimal system is so obvious for me, that up to that moment, I had not been able to 'explain' it 😃 A good job and a great foundation for mental decimal/hexadecimal conversion.
We young people need teachers like you. You are an excellent teacher. Sir, would you recommend an electron book that we can read online? I cannot read books in English because my English is bad, I read with a google translator, I understand. I am grateful.
You can purchase the official cert guides by Wendell Odom in PDF form and read them on your computer. But I don't know of any books that you can read in a browser.
Hello Jeremy, this course that you are giving is a huge help for me and I believe for everyone who needs the CCNA certificate. I can't really give you a tip right now but in the future I hope I can support you in one way or another. I have watched briefly all of your videos, now I am reviewing back with more concentration and taking notes. The lecture is crytal clear and easy to follow, not to mention you provide the flashcard. I think your course is one of the best there in internet. Maybe for the next video you can keep a video length max 15 min (10 to 12 min maybe better), for me it is very intimidating to see a couple of video with 30 to 40 min length. I would loosing my concentration, maybe because I am not a particular bright person (lol). Anyway big big thanks for your video! I think TH-cam should support a better format for a lecture kind of playlist. A kind that resemble flackboxdotcom from Neil would be ok. Small notice from Neil lecture, he kept the videos around 10 min and that is for my soul a big relief :D Sorry to comment too long. Best Regard from Germany
Hello! Thank you for your kind words. For future courses I may split up the videos into 10-15 minute sections (For example instead of Day X being 40 minutes, I could split it into Day X part 1, Day X part 2, Day X part 3, Day X quiz). For this course I think I'll continue like this, though. There's no need to watch the whole video at once!
Again, best tutorial on the subject, hands down. There might be a slight error however - At 31:08, When SW1 receives the frame, it decapsulates it and add its own MAC address as the source and PC 3 as the destination. And the same process is used for SW2 to learn the port which port SW1 is plugged to. Please correct me if I am wrong. I've not been able to grasp this subject before and I've studied CCNA with a few different tutors. I'd like to say this is the first time I am able to understand it clearly mostly thanks to your method of teaching. This is by far the best CCNA course. Thank you once more.
Hello Jeremy, big thanks for making it that easy and representative. Not only for this video but for the whole course…there is always something to learn in all your slides 😅
Subscribed. Thanks for the detailed and easy to understand lesson. I will be watching out for more videos as I am trying to take my exam in March 2020.
Last LAN the blue one could also only be only 1 LAN and not 2 as you said. For example common home routers have 1 WAN port and 4x LAN ports and you can connect 2 switches on each LAN port on a router but both switches and its devices are still in the same LAN unless you configure otherwise, either setting up Guest lan or play with VLANs if your router has an ability to do VLANs
I never found such great explaination especially for the transit of a frame in a LAN through switches and the explanation of the Type/Length field in a frame, nevertheless I have few questions and remarque. First question: Is there a gap (not used) between the values 1500 and 1536 in the Type/Length field in a frame? Second question: (This question just seems to be not relevant after seeing day 6 video. Thank you for the explainations in the day 6 video) Known that is this video, IP addresses are not used (because it is not the topic!) i have nevertheless a question: Can we make a LAN working only with MAC@s from PC to PC (No IP@s) in order to send data from layer 7 of the OSI model (or layer 4 from the TCP/IP stack model)? I mean here that the layer 3 of the OSI model (layer 2 of the TCP/IP stack model) is totally skipped with direct encapsulation from layer 4 of the OSI (layer 3 of the TCP/IP stack model) into the layer 2 of the OSI model (layer 1 of the TCP/IP stack model). is that possible because it is what it seems you suggest in this video? Remarques. 23:35 "...except the one who receive the packet" (you had to say "frame" and not "packet") ;) 23:57 "...PC3 receives the packet (you had also to say "frame" and not "packet") ;) 24:03/24:06/24:18 Same thing: you had also to say "frame" and not "packet" ;) Maybe they are other stuff like that but anyway your explainations are very accurate and clear since the begining of the courses. Thank you very much if you can find some time to answer. I want to apologize about my english because english is not my mother tongue (I'm French).
Man your videos are too good to be true!!! AND FREE? Awesome job!!!!!!!!!!!!!!!!!!!!!!!!!!!! I'm doing a refresher as I'm highly interested in starting in that field soon :3
YOU ARE THE BEST TEACHER I HAVE EVER LISTENED TO IN MY ENTIRE LIFE. God bless
Thanks Cecil!
Agreed
Indeed!
AGREED 👍💯
That's true
Honestly, I learn more from this CCNA course playlist than taking paid class. Thank you Mr. Jeremy for your hard work! May god bless you!
Thanks, Umar :)
@@JeremysITLab Jeremy, is there a way (command in CLI) that we can check if a swicth is a L2 or L3 switch? 🙏
@@Slawek.KTry issuing the command "ip routing"... If the switch accepts it it's a L3, otherwise it's a L2
@@JeremysITLab If you were a politician, I would have voted for you. God bless
I am. 49 YEAR old Filipina, i was CCNA cerified in 2001 and last handled a cisco network in 2003, I am broke and find this free CCNA course a blessing!! God bless you Jeremy!
I’ve watched a whole lot of other people explain a lot for these CCNA videos and often glossing over explaining smaller details without much real explanation. But Jeremy you cover every bit in great detail with patience of delivering clarity of understanding. As well the recapping to enforce you understood the material. So awesome! Bought the entire course on Udemy as well in support with my exam in early September.
yeah coming from professor messers power point presentations this feels like i'm actually learning something. I think the difference is because CCNA is vender specific you can actually teach the nitty gritty commands and stuff. When it's a general networking course you never dive deep into one area.
@Ardent, doesn't Jeremy have more of such videos on CCNA?
1:02 Review L1,L2
3:32 Determining Number of LANs
4:50 Review of PDUs
5:49 Ethernet Frame Header and Trailer Overview
7:26 Preamble, SFD
8:38 Destination, Source
9:31 Type/Length
11:48 FCS
13:37 Length of Header and Trailer
13:55 MAC Address
15:27 Decimal System Review
17:25 Hexadecimal System Overview
19:44 LAN Switching
31:33 QUIZ
Bless your heart
You are the best thanks.
Don't mind me, I'm justing saving this for my reviewers :D
1:02 Review L1,L2
3:32 Determining Number of LANs
4:50 Review of PDUs
5:49 Ethernet Frame Header and Trailer Overview
7:26 Preamble, SFD
8:38 Destination, Source
9:31 Type/Length
11:48 FCS
13:37 Length of Header and Trailer
13:55 MAC Address
15:27 Decimal System Review
17:25 Hexadecimal System Overview
19:44 LAN Switching
31:33 QUIZ
saves me the trouble of doing it myself. Thanks.
Jeremy should be awarded BEST teacher of IT courses🤗🥰 i was stuck with other online teachers since 1 year I wasted a whole year before😪
Thank you :)
I never thought I would take a course in English one day and understand so well like that. You are the best! continue like this. And thank you very much
I'm glad you can understand it!
How you are able to convey complex processes into clear and understandable language is beyond me. I want to sincerely thank you for making sense of this stuff. You are the best tech teacher I listened to by far. When I pass the exam I will be sending you a written thank you letter.
How Polite and Kind at 15.32...Proves you're a true gentleman...Thanks for the course and its very useful for many at no cost...Best wishes
Thank you ;)
Jeremy, you are a Godsend! Thank you for these uploads. I'm just about to attempt the CCNA part 1 final, and your vids are excellent to review what I have learned. Well built, well explained and easy to listen to lessons, and the addition of flash cards and PT excersises are really helpful. Keep up the good work please!
Thank you Zsolt!
How did you do?
I'll give you a name Jeremy, I'll call you PERSEUS henceforth.
@@JeremysITLab Hi, you mentioned that Data Link Layer supports router to router connectivity but this layer mainly deals with switches (frames) and routers work with packets. So how Data Link layer can provide router t router connectivity. Isn't it the work of the Network Layer instead?
@@MubeenAkhtar keep in mind that a data link PDU is called a frame. Router doesn't know about a packet until it's decrypted back to a packet. If Data Link layer isn't at work then router really can't know how bigger a packet is or what's the start bits f a packet (frame actually) and what's end bit(s). Data Link layer does all that.
The delivery for all this information is great, Jeremy. You're covering auditory, visual & kinesthetic learning styles, and the flash cards are a huge help. I look forward to my study time with your course.
Thanks Harry, glad you like it!
Yep, as someone who always needs more concrete things with visual examples that I at least can _imagine_ touching and interacting with physically, I think Jeremy really rocks as a teacher. I've noticed it from the very start, because no one (that I've tried to learn from) does that and that was always the reason why it's so hard and frustrating for me to learn even most simple things. New concepts, even very simple ones, are never truly undersood (by me) until I 'get the feel' of them in practice or at least something concrete (like a very concrete picture of a switch of a certain real model with real ports and stuff) to lean on.
I've seen many people teaching this and other topics online, making video playlistst like you did, and I've seen their students commenting similar things about those teachers being really good at teaching, but they don't know (or don't understand, or can't put into words, idk) the difference between those teachers and you, Jeremy. Maybe because for them it's not that critical to have concrete things or maybe because they've never seen your vids.
Er, just wanted to tell you that the work you've gone to cover your auditory is REALLY, REALLY fucking appreciated. It shows and it makes a huge difference. I was losing hope that there's an online teacher somewhere who can teach such topics to those who are of a more practical mindset (like me). Glad to have found you. Using your flashcards, doing all the labs and enjoying the whole process fully.
I can't believe i'm getting all this informations and knowledge for free. Thank you so much Jeremy.
Just here to show some more support. Your videos have personally taken me a long ways. Thank you very much man!
When you explain why an answer is incorrect and why the correct answer is correct it really helps build a stronger foundation during all of this learning. Thanks again man!
Thanks! Glad to hear the explanations for the quizzes are helpful, I'll keep doing that from now on.
You are the most talented tutor I have seen in my life. I really wonder how nicely you explained the topic. I have seen so many videos on youtube but your videos are the best among all. Really I salute you. You are the best teacher. Please keep it up.
Thank you so much, I'm glad you like my videos! :)
Your style of teaching the meaning of Hexadecimal values and other stuffs in many of your videos are concise, to the point and at the same time it is in detail. no one can be concise and elaborative at the same time, you know what content to cover, how much to cover and which is more important.
I always knew how to count.. but literally just understood decimal thanks to your training. I hope you know you make millions happy learning this information from you and I couldn't thank you enough. Thank you Jeremy.
I know your feeling! We all know how to count, but before it's explained we don't really think about exactly how decimal works.
you are very generous and properous man . you had given this to us like a charity. very beautfull heart. May be your wife is very lucky to have you. usually the is case is other way round. May God give more than you expected.
I'm learning through Cisco's net Acad, almost through the entire ITN I, and I just found this resource, so I'm going through this playlist to refresh myself on everything I've learned. It's very helpful hearing someone go over this in a video format rather than just reading the content. Great resource!
I really do love how these clips are not overly long but short and to the point, thank you :)
Thanks, glad to hear it :)
These series have helped me more than my lecturer at campus... Thanks Mr. Jeremy
Thank you Mr. Jeremy. I can see how much your job as an English teacher influenced you being an amazing networking teacher. Much love from Egypt. ❤
I have learned so much this past few days watching your video. Yesterday, on day 4 Lab, I learn how to place my first commands, enable, configure, and so on. Sometimes I'm afraid to keep watching the next video cause I think it will be too hard, but from now on I will keep it on since you make it very easy to understand.
Thanks a lot my friend, you rock as a teacher.
Thank you so much for this CCNA series Jeremy, I've always loved network engineering, and i found your channel couple years ago. But when i was in college, i was tempted by those people who want to be software engineer/programmer, so I stopped studying network engineering and want to switch career path. But i realized now that my passion is really in network engineering, so i decided to start over on this journey. Wish me luck and God bless you sir!
How has it been going, my friend? Are you still studying?
The flashcards are absolute fire. I passed Net+ a year ago before deciding I wanted to go further down the rabbit hole and they are helping me review and really narrow in on the detail. 10/10 course so far. 12/10 for the free labs, too.
Honestly, I learned more from this CCNA course playlist than from taking paid classes. Thank you Mr. Jeremy for your hard work! May God bless you!
Salute you Sir Jeremy...
You are the most talented tutor I have seen in TH-cam. I wonder how you could go to the simplest form to teach others when you have enough knowledge and experience with you. This is real talent. I loved it to the core...I am borrowing and slightly changing a sentence from my daughters fathers day gift card: I love your lessons TO THE MOON and back...Waiting for your more videos.
Wow, thank you so much for your kind comment! Next video coming soon.
These videos are great, as a software developer that uses primarily javascript, python, i don't know much about the inner workings of computer architecture or networking, just application level protocols such as http, it's fascinating to learn how things work under the hood, i don't know for sure if someday i'll try to enroll in a cisco course for a ccna certification, yet i feel that the content that i'll be learning with your videos will help me be a better engineer anyways. Keep the good work jeremy, you are helping a lot of people get closer to their goals.
Who are those crazy folks thumbing down AWESOME educational resources like these?
Hello 6
Best, truly best ccna video on TH-cam.
Thank you :)
So far, I feel like I am understanding these concepts much better from your videos than from my college networking course. Thank you for this series and I look forward to continuing to use it for my CCNA studies!
Simply amazing! I've learned so much. There are many teachers on youtube teach CCNA couse but no one does like you. Hold on🙏🏿👏🏿👏🏿
The course is just brilliant. It suits dinosaur dads still feeling like double checking something and undergrads. My 1c contribution is to let undergrads know that MAC is built into a NIC and devices may have more than one NIC. It does NOT make a single sentence incorrect and may not even be on the exam, but kids should rather learn it sooner.. There was ‘must learn the lesson’ story few decades ago.
wow, this is interesting to learn about how thing i use everyday work. i'm an IT support now i wanna upgrade myself, CCNA is the first certification i try to get, thank you Jeremy, this course teach me about network more than any class in school
Definitely the best teacher for this certification....I got my CCNA R&S about 4 years ago, I wanted to review a couple of terms again since I’ve been out of my field for about 2 years, and your videos were the answer to review everything and the get updated on current themes covered by the newest CCNA....I’m planning to get the CCNP R&S, and I’m using your videos as a study guide to review everything and later I’ll use official sources from Cisco to get even more prepared for the CCNP...I can on,y say one thing...THANKS!
Thanks for your comment, I really appreciate it! Glad you like the course :)
Thank you for presenting this free CCNA course. I loved the way you explained the Decimal and the Hexadecimal numbering systems. I probably heard the Decimal system explained this way when learning about numbering/counting/math. However, it was fascinating to hear it expressed this way. Thank you again!
Thank you for all of these awesome lectures. It was worth more than all the tuition I paid for my university.
@jeremy's IT Lab I know that decimal is something we learned in elementary, but it is still good to have an explanation of how it works and you are the furst CCNA instructor I ever seen explain it. I hope I speak for everyone, when I say thank you for being thorough.
Thanks Bob :)
Thank you so much! I mean this much information , such great teaching for free. I am a Computer Science major , I am interested to know more about networking and I'm learning everyday from you. You're the best teacher. Thank you.
Super easy to understand, i have no networking background although i work as a Installation and repair technician. I am enjoying your video tutorials on my road to my CCNA certification exam
Thanks for watching :)
Thank you so much Jeremy for teaching us this course. Your videos are very informative and I am learning ccna concepts much more quicker than my class tutor. As English is my second language I understand every concepts very easily because you speak very clearly. I hope 🤞 I will clear ccna exam by watching your videos and practicing labs. Thanks once again.
Thank you, I'm very glad to hear that :)
All I can say is Jeremy, Jeremy, Jeremy, Jeremy...life is but a dream! Digging your work big times. Thanks a million brother.
Your clear, simple and slow explanation is really appreciated. I can't believe you are offering this for free :). Thank you so much.
Thanks from Scotland bro. I'm a bricklayer working his way back to I.T (studied at college during recession) and I've booked my CCNA exam for June.
Good luck! IT is a great field to get into.
Sir, we need to Thank you for sharing your knowledge and helping number of people to gain wonderful knowledge and pass exam for absolute free. There is no need of you thanking us sir 🙏
Very nice breakdown of how to count in hexadecimal. I think this is the first video that I've seen where it is explained so simple. Thank you!
Thank you! It's not something most people are very familiar with, so I just wanted to give a quick introduction to it.
The hexadecimal one is a tricky one to remember. I looked up mac addess OUI and it says the first 6 digits. That makes sense to me. I look forward getting into Hexidecimal. I really need to wrap my head about it.
Thank you teach am learning. Last week I have started my course CCNA.
you are the best teacher i have ever met, greetings from Indonesia
actually you are hard-working teacher.thanks for such a nice class.:-) i am kamran from pakistan karachi city
Thank you Kamran!
This boy is a legend.
Im an electrical engineer, not specificed in networking
But with his notes, i really feel that.
Im the best networking engineer ever!
Your level of knowledge is incredible high and thus you keep making complicated things simple.
God bless you.
I come here everytime I need a refresh. This is real treasure. Thank you Jeremy
Hey good to hear from you again! :)
Yes this is good stuff as its simplified and explained. If you are a first timer you can follow this. You still kind of have to have some basic knowledge.
Top quality video Jeremy!! Everything is so well explained. Especially the hexadecimal system! It always seemed complicated to me. Yet you have shown me just how simple it is. Thank you!
Thank you, glad to hear that :)
That explanation of Known/Unknown Unicast and flooding was so good, understood instantly. Great job
Thank you for all the hard work you've been doing. Your teaching method is really interesting and simple.
May God grant you a material-spiritual reward.
Thank you for this valuable knowledge! I've learned a lot more than I did in class!..You are a really good teacher!
Thank you Nicholas!
Maybe someone else already pointed this out, but Ben Eater has a great video explaining CRC (and tons of other relevant subjects).
Thank you, seriously. I'm glad someone like you exists. This has been so helpful.
Glad to hear it's helpful :)
I just started few days and this had been a tremendous help in my transition to work. Thanks for this
FYI: The BIA (Burned-In Address) is not always the same as the mac address. You can logically change the mac address to something different. The BIA is the mac address from the factory. I use to think B.I.A and Mac Address were synonyms.
Your nick name from now on will be DORA = Determined , Outstanding , Robust , Amazing
in future videos in this CCNA playlist you will also come across other meaning of DORA, I hope you will find other name for Jeremy- the best networking instructor!. DORA have other meaning in networking terminology especially in CCNA scope. DORA stands for the four-step process used by DHCP (Dynamic Host Configuration Protocol) to lease IP addresses to clients i.e DORA = Discovery Offer Request Acknowledge
You are a blessing to everyone who can't afford premium and highly expensive education.
I am rewatching this videos after getting my CCNA thanks to Jeremy!!
The videos are amazing, you explain even the small concepts with great enthusiasm and great clarity, like how the decimal number system works. It turns out to be a great help when someone explains such small topics because it helped me gain clarity on decimal number system. Thanks Jeremy. You the man 🤙🏻
I am form INDIA. Those videos helped me a lot.
Thank you. The lessons are indeed clear and the anki cards really helped me to memorize terms. AHHHH I'm so grateful for this brother Jeremy. God bless you
Thanks Meynard, I'm glad the course is helpful for you :)
Jeremy: Best Teacher Of All Times!
Same here, like if i'm in a class room getting private lessons with outstanding teaching material. Hopefully you make one day the same course for CCNP. Only need some examdumps to succeed. Thanks a lot Jeremy!
YOU ARE THE BEST TEACHER I HAVE EVER LISTENED TO IN MY ENTIRE LIFE
Thank you :)
I would suggest for the Anki card “A switch will flood an [...] unicast frame.”, you change it to “A switch will flood a/an [...] unicast frame.” So as not to give away the answer so easily. Appreciate that the cards are editable and we can change this ourselves. And, as always, great videos.
All the way from from 🇨🇩 CONGO . Love ur videos
Really you have made a paradigm shift of teaching, highly recommended and appreciated
Thank you Abishek, that's very kind :)
You are an excellent teacher, Jeremy. Thank you so much for this material.
you're the best prof i have ever listened to
proud to be one of your students. thanks so much for making it this easy.
Thank you for your support!
He reminds me professor messer for A+ , network+ and security
Hii Jeremy..you are just amazing teacher. I really love the way you explain all the topics and I love the last part of your video.. The Quiz Question. It helping me a lot to go through CCNA. GOD BLESS YOU MAN.
LOVE FROM INDIA.
Thank you so much, Vinay!
15:40 It might sound funny, but decimal system is so obvious for me, that up to that moment, I had not been able to 'explain' it 😃 A good job and a great foundation for mental decimal/hexadecimal conversion.
I love the series so far. I am on day 13 and am looking forward to completing this course. Commenting this on every video for the algorithm.
Did you take the CCNA exam? If so, did you pass?
Great vids, very much appreciated! I wish you had more courses/vids on other certifications and subjects like windows administration...
Jeremy is King!! I'm just beginning but I find your videos so helpful and easy to understand.. Godbless you!
Leaving a comment for youtube's algorithm since these courses are so awesome
The way you are explaining concepts is the best
May you be happy, Sir!
Thanks a lot Sir Jeremy. I'm an old guy😊, learning slowly not like young folks😉. Thanks for your emails Sir🙏❣❣❣best wishes.
We young people need teachers like you. You are an excellent teacher. Sir, would you recommend an electron book that we can read online? I cannot read books in English because my English is bad, I read with a google translator, I understand. I am grateful.
Teacher, I am just starting to learn English, what level of English do I need to get CCNA certification, thank you.
You can purchase the official cert guides by Wendell Odom in PDF form and read them on your computer. But I don't know of any books that you can read in a browser.
@@JeremysITLab Thank you teacher
This site worth more view because of your display on this course but with time you will get more by God's grace Sir
Hello Jeremy,
this course that you are giving is a huge help for me and I believe for everyone who needs the CCNA certificate.
I can't really give you a tip right now but in the future I hope I can support you in one way or another.
I have watched briefly all of your videos, now I am reviewing back with more concentration and taking notes.
The lecture is crytal clear and easy to follow, not to mention you provide the flashcard. I think your course is one of the best there in internet.
Maybe for the next video you can keep a video length max 15 min (10 to 12 min maybe better), for me it is very intimidating to see a couple of video with 30 to 40 min length. I would loosing my concentration, maybe because I am not a particular bright person (lol).
Anyway big big thanks for your video!
I think TH-cam should support a better format for a lecture kind of playlist. A kind that resemble flackboxdotcom from Neil would be ok.
Small notice from Neil lecture, he kept the videos around 10 min and that is for my soul a big relief :D
Sorry to comment too long.
Best Regard from Germany
Hello! Thank you for your kind words.
For future courses I may split up the videos into 10-15 minute sections (For example instead of Day X being 40 minutes, I could split it into Day X part 1, Day X part 2, Day X part 3, Day X quiz). For this course I think I'll continue like this, though. There's no need to watch the whole video at once!
Amazing, awesome, easy to understand method of teaching, thanks Jeremy.
Thank you, I'm glad to hear that :)
Subscribed ! Absolutely best course on TH-cam for new CCNA, keep it up Mister!
Again, best tutorial on the subject, hands down. There might be a slight error however - At 31:08, When SW1 receives the frame, it decapsulates it and add its own MAC address as the source and PC 3 as the destination. And the same process is used for SW2 to learn the port which port SW1 is plugged to. Please correct me if I am wrong. I've not been able to grasp this subject before and I've studied CCNA with a few different tutors. I'd like to say this is the first time I am able to understand it clearly mostly thanks to your method of teaching. This is by far the best CCNA course. Thank you once more.
Thanks for your comment! Actually, the switches won't change the source address to their own MAC address. They simply forward the frame.
@@JeremysITLab I am pretty sure I read that somewhere. I must be getting it mixed up with routers then.
Hello Jeremy, big thanks for making it that easy and representative. Not only for this video but for the whole course…there is always something to learn in all your slides 😅
This is so great content and excellent way to learn, Anki flashcard are an awesome. Thank you
Subscribed. Thanks for the detailed and easy to understand lesson. I will be watching out for more videos as I am trying to take my exam in March 2020.
Thanks for the sub! I don't think my course will be complete by March 2020, but I hope it will still serve as a valuable resource.
Last LAN the blue one could also only be only 1 LAN and not 2 as you said. For example common home routers have 1 WAN port and 4x LAN ports and you can connect 2 switches on each LAN port on a router but both switches and its devices are still in the same LAN unless you configure otherwise, either setting up Guest lan or play with VLANs if your router has an ability to do VLANs
The maximum payload is 1500 octets.
When the actual payload is less, padding bytes are added accordingly.
Just a quick fun info :)
Yes that's an important point, I should have mentioned it! I'm making part 2 now, I'll add that, thanks :)
I never found such great explaination especially for the transit of a frame in a LAN through switches and the explanation of the Type/Length field in a frame, nevertheless I have few questions and remarque.
First question:
Is there a gap (not used) between the values 1500 and 1536 in the Type/Length field in a frame?
Second question: (This question just seems to be not relevant after seeing day 6 video. Thank you for the explainations in the day 6 video)
Known that is this video, IP addresses are not used (because it is not the topic!) i have nevertheless a question:
Can we make a LAN working only with MAC@s from PC to PC (No IP@s) in order to send data from layer 7 of the OSI model (or layer 4 from the TCP/IP stack model)?
I mean here that the layer 3 of the OSI model (layer 2 of the TCP/IP stack model) is totally skipped with direct encapsulation from layer 4 of the OSI (layer 3 of the TCP/IP stack model) into the layer 2 of the OSI model (layer 1 of the TCP/IP stack model). is that possible because it is what it seems you suggest in this video?
Remarques.
23:35 "...except the one who receive the packet" (you had to say "frame" and not "packet") ;)
23:57 "...PC3 receives the packet (you had also to say "frame" and not "packet") ;)
24:03/24:06/24:18 Same thing: you had also to say "frame" and not "packet" ;)
Maybe they are other stuff like that but anyway your explainations are very accurate and clear since the begining of the courses.
Thank you very much if you can find some time to answer.
I want to apologize about my english because english is not my mother tongue (I'm French).
Man your videos are too good to be true!!! AND FREE? Awesome job!!!!!!!!!!!!!!!!!!!!!!!!!!!! I'm doing a refresher as I'm highly interested in starting in that field soon :3
You explain everything much clearer than Cisco's Net Academy. Thank you so much!
Day 6. Done. More to go. Thank you so much Jeremy!! 🥰
YOU ARE AMAZING MAN YOU REALLY KNOW WHERE TO START FOR NEWBIES TO UNDERSTAND! LABYU MAN