FC0-U71 Infrastructure Practice Question
A user's home wireless network is experiencing interference. Which frequency band is more prone to interference from devices like microwaves and cordless phones?
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
✓
2.4 GHz
The 2.4 GHz band is more crowded and prone to interference from common household devices, while 5 GHz offers less interference.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
60 GHz
Why it's wrong here
60 GHz is used for very short-range, high-speed connections.
- ✗
5 GHz
Why it's wrong here
5 GHz has less interference but shorter range.
- ✗
900 MHz
Why it's wrong here
900 MHz is not a standard Wi-Fi band.
- ✓
2.4 GHz
Why this is correct
2.4 GHz is more prone to interference from many devices.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.