ISC2 CC Network Security Practice Question
A company wants to mitigate the risk of a man-in-the-middle (MITM) attack. Which three measures are effective? (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
✓
Deploy a VPN for remote connections
VPNs create an encrypted tunnel for remote connections, securing data in transit and preventing interception. Mutual authentication ensures both client and server verify each other's identities, thwarting impersonation. ARP spoofing protection prevents attackers from intercepting local network traffic by spoofing MAC addresses. While HTTPS with proper certificate validation is effective for web traffic, it does not protect against all types of MITM attacks. WPA2 only encrypts Wi-Fi traffic and does not prevent MITM at higher layers. Therefore, the most effective measures are A, B, and C.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Deploy a VPN for remote connections
Why this is correct
A VPN encrypts data in transit and prevents interception during remote connections, directly mitigating MITM attacks.
- ✓
Implement mutual authentication
Why this is correct
Mutual authentication ensures both parties verify each other's identities, preventing impersonation in a MITM attack.
- ✓
Enable ARP spoofing protection
Why this is correct
ARP spoofing protection prevents attackers from poisoning ARP caches, a common technique used in local network MITM attacks.
- ✗
Use HTTPS with proper certificate validation
Why it's wrong here
HTTPS with proper certificate validation protects web traffic but does not address other forms of MITM attacks, such as those at the network layer.
- ✗
Use WPA2 encryption on the Wi-Fi network
Why it's wrong here
WPA2 protects Wi-Fi but not against all MITM attacks (e.g., rogue AP).
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
Go deeper
Related to this question
Learn chapter
Authentication and Authorization Methods
Key term
Authentication
Authentication is the process of verifying that someone or something is who or what it claims to be before granting access to a system or resource.
Key term
Hypertext Transfer Protocol Secure
Hypertext Transfer Protocol Secure, or HTTPS, is the secure version of HTTP that encrypts data between a web browser and a website using SSL/TLS to protect sensitive information like passwords and credit card numbers.
About these practice questions
Courseiva writes every CC question from scratch — 976 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 →
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.