FC0-U71 Infrastructure Practice Question
An IT technician is setting up a home office network. The technician needs to connect multiple devices to the internet and ensure they can communicate with each other. Which THREE devices are essential for this setup?
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 connects to the ISP, a router routes traffic between devices and the internet, and a switch connects multiple wired devices within the LAN. A hub is outdated and not essential; a firewall is often integrated into the router.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Modem
Why this is correct
Provides connection to the ISP.
- ✗
Hub
Why it's wrong here
Outdated; switches are used instead.
- ✓
Router
Why this is correct
Routes traffic and provides NAT.
- ✗
Firewall appliance
Why it's wrong here
Often built into router; not essential separately.
- ✓
Switch
Why this is correct
Connects wired devices in the LAN.
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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.