ISC2 CC Network Security Practice Question
Which of the following are effective defenses against man-in-the-middle attacks? (Choose THREE)
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
✓
Educating users to verify certificates
HTTPS, VPNs, and certificate validation help prevent MITM.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Using HTTP instead of HTTPS
Why it's wrong here
HTTP is unencrypted, susceptible to MITM.
- ✓
Educating users to verify certificates
Why this is correct
Users can detect invalid certificates.
- ✗
Disabling ARP
Why it's wrong here
ARP is essential; disabling breaks network.
- ✓
Implementing HTTPS with proper certificate validation
Why this is correct
Encryption and validation prevent interception.
- ✓
Using a VPN to encrypt all traffic
Why this is correct
VPN encrypts traffic between endpoints.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.