Internet technology course
This course delivers practical internet troubleshooting skills through hands-on training in DNS, TCP/IP, routing, and packet capture. Participants learn to diagnose connectivity failures, resolve configuration errors, and boost application performance—key competencies for network admins, DevOps engineers, and IT support roles.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
Gain hands-on expertise in internet troubleshooting, covering TCP/IP basics, DNS systems, HTTP(S) protocols, and packet analysis. Master tools like ping, traceroute, tcpdump, Wireshark, dig, nslookup, and netstat to quickly identify outages, DNS faults, NAT problems, and performance issues, implement fixes, and liaise effectively with providers.
Elevify advantages
Develop skills
- Develop a troubleshooting playbook to swiftly pinpoint intermittent internet issues.
- Analyse TCP/IP and HTTP(S) traffic using packet captures to identify root causes.
- Master DNS tools like dig and nslookup for resolving lookup failures.
- Capture and inspect traffic with tcpdump and Wireshark to uncover network problems.
- Escalate issues to ISPs and firewalls with compelling evidence for faster resolutions.
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 lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...

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

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

Luciana AlvarengaNail Design Student
The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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