ISC2 CC Network Security Practice Question
An organization wants to protect its internal network from unsolicited inbound traffic while allowing responses to outbound connections. Which TWO firewall features or types are best suited for this? (Select TWO)
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
✓
NGFW
Stateful inspection tracks connection state to allow return traffic. NGFW includes stateful inspection plus advanced features. Packet filtering alone is stateless; proxy and IDS are not optimal.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Packet filtering (stateless)
Why it's wrong here
Stateless does not track connections.
- ✓
NGFW
Why this is correct
NGFW includes stateful inspection and provides this capability.
- ✗
Application proxy
Why it's wrong here
Proxy can be used but is not the primary for this purpose.
- ✓
Stateful inspection
Why this is correct
Stateful firewalls allow return traffic automatically.
- ✗
IDS
Why it's wrong here
IDS is passive and does not block traffic.
Visual reference
Go deeper
Related to this question
Learn chapter
Network Security Foundations
Key term
IDS
An IDS is a security system that monitors network or system traffic for suspicious activity and alerts administrators to potential threats, but does not actively block them.
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.