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Learner Reviews & Feedback for Introduction to TCP/IP by Yonsei University

2,380 ratings

About the Course

You use the Internet through your PC (Personal Computer), laptop, tablet, smartpad, and smartphone every day in everything you do. Through your own PC/laptop, you can easily learn everything about the Internet, and that is what this course is focused on. In this course ‘Introduction to TCP/IP,’ you will learn the operational functions of Internet technologies (which include IPv4, IPv6, TCP, UDP, addressing, routing, domain names, etc.) and your PC/laptop's security and gateway Internet setup and basic principles. In addition, through a simple Wireshark experiment, you will see the TCP/IP packets and security systems in action that are serving your PC/laptop, that serves you....

Top reviews


Apr 29, 2020

Thank you for Pro. Jong-Moon Chung

Lecturing for how to processing between device and internet connection processing and each area of basic knowledge.

And, step by step to explanation from Pro.


Mar 20, 2021

Very good class, not difficult, doesn't take long and doesn't require any background knowledge. I would recommend it to anyone wanting to learn more about how the Internet and their computers work.

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551 - 575 of 730 Reviews for Introduction to TCP/IP

By Nikolaos K

Jan 5, 2020

Very nice presentation material, concise and thorough. Lecturer was pretty good at giving information and keeping everything to the point. It is a nice introduction for very high level information on TCP/IP

By Ana K

Sep 13, 2020

This is really good to start as a beginner. Some points require a more detailed instruction, such as starting Wireshark and getting IP address to proceed the course, yet I strongly recommend this course!


Feb 15, 2020

It is a very good course. For beginners it would be very helpful to understand the TCP/IP and many more through this course. You will also learn about cybersecurity in this course. Thank you.

By Kara L

Aug 7, 2021

For an intro class there were a lot of new terms and concepts for me. It was super fast and concise, I had to rewind a lot but the material was very helpful and the instructor was great.

By Alan C

Feb 8, 2021

This course needs to be updated, especially the last lesson which heavily depends on Wireshark. The examples use an old version. It also needs to have alternative instructions for Macs.

By Julia Z

Nov 15, 2021

good for beginners to get basic knowledge. First part explaining ip addresses in details is great. Baidu and gdrive links didn't work, but I played with wireshark anyway. thank you!

By Antoine B

Jul 17, 2020

This course was really cool, It could have been even more interesting if each chapter were combined with some practice using Wireshark. Thanks a lot for this free course.

By Abdulmalik A

Oct 17, 2022

The last lesson should be more explicit in areas of downloading from the drives and at least more practical slides or simulation videos on real time with wireshark

By Jeisson D B Y

Aug 24, 2020

I thought i was going to learn about the local connection and how to administrate them, althought i learned about the singular parts of the internet connections.


Nov 5, 2019

it is such a nice course available free of cost where i learned about tcp-ip,here we can get so much knowledge about TCP-IP in short time period....Thank-You!!!

By Wasakawaka W

Nov 15, 2021

It was really educational and fairly easy to follow. I was hoping for a certificate however when you pass, you do have to pay for it. Very good course though!

By Umang K

May 10, 2021

Got the know the basics of IP address, various type of cyber attacks and ways to defend them. Interesting part was analysis of network packets via wireshark.

By Стовманенко В О

Oct 29, 2017

It's much more interesting when a teacher adds something from himself and not just reads text. But if tou want to know a basics this cource if quite good.

By Petra P

Aug 31, 2021

informative, clear, well-presented.. the images of the headers were the most precisous things, together with the explanations of course. Thank you.

By Alessandro M

Aug 10, 2022

The course was interesting even for a newcomer like me. I had to stop many times to go deeper on many topics.

The teacher was alwvays very clear.

By Sean E

Nov 21, 2017

Very interesting course. Sometimes, it moves to quickly for a beginner and some concepts could be explained through better analogies.

By Coen K

Jun 14, 2022

Great course in general. Slightly outdated when it comes to the screenshots used in the presentations for showing things in Windows.

By daniel g

Aug 27, 2020

excellent course I liked the only thing they lack is to have more practical activities to have a better performance and learning

By Philipp B

Feb 17, 2022

good but lots of things are not explained, how they do it, and why. This course is good to get a broad idea of the whole topic.

By Jeevan K

Sep 5, 2020

I am really happy to take this course and I now have a feeling that I have learnt something about TCP/IP.

Thank you Mr. Chung

By Ashok N

Jul 14, 2021

Helpful for a first timer to learn a lot of Acronyms and Terminologies. However, a lot needs to be remembered for assessment

By Matthias S

Sep 9, 2022

good, but the course spends the least time with the most interesting subject (wireshark) and spends 80% of time on theory

By Lamar O

Jan 24, 2021

Full of useful information about network operations and security. it is an excellent primer for the advanced TCP/IP course

By Joaquin G B

Sep 2, 2020

This course is focus to beginners, very well explain and practiced. My favorite part was the security vulnerabilities.