FC0-U71 Security Practice Question
What is the primary risk of using public Wi-Fi without a VPN?
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
✓
Data transmitted can be intercepted by attackers
Public Wi-Fi is often unencrypted, allowing attackers to intercept data transmitted over the network. A VPN encrypts traffic, protecting data in transit.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Wi-Fi network may be slower
Why it's wrong here
Speed is not a security risk.
- ✓
Data transmitted can be intercepted by attackers
Why this is correct
Correct. Without encryption, data can be intercepted.
- ✗
The device may overheat
Why it's wrong here
Overheating is not related to Wi-Fi security.
- ✗
Increased risk of malware infection from the network
Why it's wrong here
Malware infection is not the primary risk of using public Wi-Fi.
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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. Which of the following encryption methods is used to protect data in transit over a public network, such as the internet?
hard- A.Full disk encryption
- B.File encryption
- ✓ C.VPN
- D.HTTPS
Why C: A VPN encrypts data traffic over public networks, providing a secure tunnel for data in transit.
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.