FC0-U71 Infrastructure Practice Question
A network technician is troubleshooting intermittent Wi-Fi dropouts in a crowded office building. The office uses 2.4 GHz and 5 GHz dual-band access points. Users report better range but more interference on one band. Which frequency band is likely experiencing more interference?
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
2.4 GHz has longer range but more interference from devices like microwaves and Bluetooth, and has fewer non-overlapping channels.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Both experience equal interference
Why it's wrong here
2.4 GHz typically has more interference.
- ✗
5 GHz
Why it's wrong here
5 GHz has less interference and shorter range.
- ✓
2.4 GHz
Why this is correct
Correct; 2.4 GHz is more prone to interference.
- ✗
Neither band experiences interference
Why it's wrong here
Interference is common in both, but worse on 2.4 GHz.
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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.