ISC2 CC Network Security Practice Question
An organization deploys a network security device that inspects application-layer payloads, can block malicious HTTP requests, and uses OWASP rules. Which type of device is this?
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
✓
Web Application Firewall (WAF)
A Web Application Firewall (WAF) is designed to filter and monitor HTTP/HTTPS traffic, often using OWASP rules to protect against web vulnerabilities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Intrusion Detection System (IDS)
Why it's wrong here
An IDS alerts on suspicious activity but does not block traffic.
- ✗
Next-Generation Firewall (NGFW)
Why it's wrong here
NGFWs include some application awareness, but a WAF is specifically for web traffic.
- ✓
Web Application Firewall (WAF)
Why this is correct
Correct. A WAF inspects HTTP/HTTPS and uses OWASP rules.
- ✗
Intrusion Prevention System (IPS)
Why it's wrong here
An IPS can block traffic but is not specifically designed for web applications.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Access Control List
An Access Control List is a set of rules that decides which traffic is allowed or denied entry to a network or device.
Key term
WAF
A Web Application Firewall (WAF) is a security tool that filters, monitors, and blocks HTTP traffic to and from a web application to protect it from common attacks.
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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.