ISC2 CC Network Security Practice Question
An organization decides to implement a security control that can detect and block attacks in real-time by sitting inline in the network. Which of the following should be chosen to meet these requirements?
⚠ Common exam trap
Intrusion Prevention Systems (IPS) are designed to sit inline and actively block malicious traffic, while Intrusion Detection Systems (IDS) are passive and only alert. This is a foundational concept for the ISC2 CC exam.
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
✓
Intrusion Prevention System (IPS)
An IPS (Intrusion Prevention System) is inline and can block attacks. IDS is passive.
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
IDS is passive and does not block.
- ✓
Intrusion Prevention System (IPS)
Why this is correct
Correct. IPS is inline and can block.
- ✗
Packet filtering firewall
Why it's wrong here
Packet filtering is stateless and not as advanced.
- ✗
Honeypot
Why it's wrong here
Honeypot is a decoy, not for blocking traffic.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
IPS
An Intrusion Prevention System (IPS) is a network security device that monitors traffic in real time and automatically blocks threats before they reach your systems.
Key term
Organization
An Organization is a top-level container in Google Cloud that represents your company or entities and serves as the root node for all your cloud resources, policies, and access control.
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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.