FC0-U71 Infrastructure Practice Question
Which device converts the signal from an ISP (e.g., cable or fiber) into a digital signal that a home network can use?
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
✓
Modem
A modem modulates/demodulates signals from the ISP to digital data. It is essential for internet connectivity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Access point
Why it's wrong here
An access point provides wireless connectivity but does not convert ISP signals.
- ✗
Router
Why it's wrong here
A router directs traffic within a network but does not convert ISP signals.
- ✗
Switch
Why it's wrong here
A switch connects devices within a LAN but does not interface with the ISP.
- ✓
Modem
Why this is correct
The modem converts the ISP's signal to digital for the home network.
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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.