ISC2 CC Network Security Practice Question
A security engineer is evaluating different firewall architectures. Which firewall type can decrypt SSL/TLS traffic, inspect the contents, and then re-encrypt it?
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
✓
Next-generation firewall (NGFW)
NGFWs often include SSL inspection capabilities to examine encrypted traffic for threats.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Application proxy firewall
Why it's wrong here
Application proxy may not handle SSL inspection natively.
- ✗
Packet filtering firewall
Why it's wrong here
Packet filtering cannot inspect encrypted content.
- ✓
Next-generation firewall (NGFW)
Why this is correct
NGFWs can perform deep packet inspection including SSL decryption.
- ✗
Stateful inspection firewall
Why it's wrong here
Stateful firewalls do not decrypt traffic.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Firewall
A firewall is a network security system that monitors and controls incoming and outgoing traffic based on predetermined security rules to protect trusted internal networks from untrusted external networks.
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.
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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.