200-901 Network Fundamentals Practice Question
A network engineer is configuring a wireless network for a new office. To maximize performance and minimize interference, the engineer decides to use the 5 GHz band. Which of the following is a key advantage of 5 GHz over 2.4 GHz?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Less interference and more channels
5 GHz offers more non-overlapping channels and less interference from common devices like microwaves and Bluetooth.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Less interference and more channels
Why this is correct
5 GHz has more non-overlapping channels and less common interference.
- ✗
Better range through walls
Why it's wrong here
2.4 GHz has better range and penetration.
- ✗
Larger coverage area
Why it's wrong here
2.4 GHz has larger coverage area.
- ✗
Higher compatibility with older devices
Why it's wrong here
2.4 GHz is more widely compatible.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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