internet technology course
Master real-world internet troubleshooting with hands-on DNS, TCP/IP, routing, and packet analysis. Learn to diagnose outages, fix misconfigurations, and optimize app performance—essential skills for network, DevOps, and IT professionals.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Master real-world internet troubleshooting with a focused, hands-on course that walks you through TCP/IP fundamentals, DNS architecture, HTTP(S) flows, and packet behavior. Learn to use ping, traceroute, tcpdump, Wireshark, dig, nslookup, and netstat to diagnose intermittent outages, DNS errors, NAT issues, and performance problems quickly, apply safe workarounds, and communicate clearly with upstream providers.
Elevify advantages
Develop skills
- Network troubleshooting playbook: rapidly isolate intermittent Internet failures.
- TCP/IP and HTTP(S) flow analysis: read packet traces to pinpoint root causes fast.
- DNS diagnostics mastery: use dig/nslookup to detect and fix resolution issues.
- Traffic capture skills: apply tcpdump and Wireshark to reveal hidden network faults.
- ISP and firewall escalation: present clear evidence to speed up provider fixes.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... thank you for everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons get straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the extra videos really help with learning.

Giulio CarloPrompt Engineering Student
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