FC0-U71 Infrastructure Practice Question
A technician is setting up a small office network with five workstations and a file server. Which TWO of the following are essential hardware components for this network to function? (Select TWO).
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
✓
Switch
A router connects the local network to the internet and manages traffic between devices; a switch allows the workstations and server to communicate within the LAN. A hub is outdated and less efficient, a modem is needed for internet but not strictly for local communication, and a firewall can be software or integrated into the router.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.
- ✓
Switch
Why this is correct
Connects devices within the LAN, allowing them to communicate.
- ✓
Router
Why this is correct
Connects the LAN to the internet and routes traffic between networks.
- ✗
Hub
Why it's wrong here
A hub is a basic device that repeats signals to all ports, inefficient and rarely used today.
- ✗
Firewall
Why it's wrong here
A firewall is important for security but not essential for basic network connectivity; often integrated into the router.
- ✗
Modem
Why it's wrong here
A modem converts ISP signals, but is not required for local network communication.
Go deeper
Related to this question
About these practice questions
Courseiva writes every FC0-U71 question from scratch — 988 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more way this is tested on FC0-U71
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. 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?
medium- ✓ A.Modem
- B.Hub
- ✓ C.Router
- D.Firewall appliance
- ✓ E.Switch
Why A: 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 A hub is outdated and not essential; a firewall is often integrated into the router.
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.