This CCSP practice question tests your understanding of cloud security operations. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During a security audit, it is discovered that a cloud service provider's infrastructure-as-a-service (IaaS) environment has virtual machines that were provisioned with default firewall rules allowing all inbound traffic from the internet. The organization's cloud security policy requires that all VM firewall rules follow a least-privilege model. What is the most effective approach to enforce this policy going forward?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement infrastructure as code templates with built-in security controls that enforce least-privilege firewall rules
Option B is correct because using infrastructure as code (IaC) templates with built-in security controls ensures that all new VM deployments comply with the least-privilege policy, preventing non-compliant deployments. Options A and D are reactive or detective. Option C may miss non-compliant resources if not properly configured.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Manually review each VM's firewall rules during deployment
Why it's wrong here
Manual review is error-prone and does not scale.
✗
Use a configuration management tool to periodically audit and correct firewall rules
Why it's wrong here
This is detective and corrective, but not preventive.
✓
Implement infrastructure as code templates with built-in security controls that enforce least-privilege firewall rules
Why this is correct
Prevents non-compliant deployments from the start.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Authentication checks who the user is.
✗
Use a cloud security posture management (CSPM) tool that continuously monitors and alerts on non-compliant rules
Why it's wrong here
CSPM is detective, not preventive; alerts may be missed.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related CCSP questions on access control and AAA configuration.
Cloud Security Operations — This question tests Cloud Security Operations — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Implement infrastructure as code templates with built-in security controls that enforce least-privilege firewall rules — Option B is correct because using infrastructure as code (IaC) templates with built-in security controls ensures that all new VM deployments comply with the least-privilege policy, preventing non-compliant deployments. Options A and D are reactive or detective. Option C may miss non-compliant resources if not properly configured.
What should I do if I get this CCSP question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related CCSP questions on access control and AAA configuration.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
Authentication checks who the user is.
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