CV0-004 Security Practice Question
A security engineer is configuring a network security group (NSG) in Azure to allow inbound HTTPS traffic to a web server. The engineer creates an inbound rule allowing TCP port 443 from the Internet. What must be done to ensure the web server can respond to clients?
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
✓
No additional rule is needed because the NSG is stateful.
NSGs are stateful; allowing inbound traffic automatically allows the corresponding outbound response traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create an outbound rule allowing all traffic to the Internet.
Why it's wrong here
Unnecessary and overly permissive.
- ✗
Create an inbound rule allowing TCP port 443 from the web server.
Why it's wrong here
Inbound rules are for traffic to the server; response is outbound.
- ✗
Create an outbound rule allowing TCP port 443 to the Internet.
Why it's wrong here
Stateful NSGs automatically allow response traffic; no explicit outbound rule is needed.
- ✓
No additional rule is needed because the NSG is stateful.
Why this is correct
Stateful firewalls track connection state and allow return traffic.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.