Wi-Fi Fundamentals & Troubleshooting
Design safer wireless coverage and diagnose signal, channel and client problems.
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What you'll learn
- Compare 2.4, 5 and 6 GHz Wi-Fi
- Plan access point placement around coverage and capacity
- Apply practical wireless security and segmentation
- Troubleshoot Wi-Fi with a measured workflow
Course lessons
4 lessons · 2.5 hours total · hands-on exercise in every lesson
- 1
Radio, bands and channels
Learn why Wi-Fi performance depends on radio conditions, not only internet speed.
35 min
- 2
Access point placement and capacity
Place access points for users and applications instead of chasing maximum signal bars.
40 min
- 3
Security, guests and segmentation
Protect wireless access while keeping guest and device traffic appropriately separated.
35 min
- 4
Wireless troubleshooting
Separate radio, authentication, DHCP, DNS and internet problems.
40 min
Final assessment
Check your understanding
Answer five questions drawn from the lessons. A score of 80% or higher passes the assessment and completes the course. You can review feedback and retake it as many times as you need.
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