This PCA practice question tests your understanding of manage and provision cloud infrastructure. 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.
An organization needs to audit all changes to network firewall rules in a GCP project. Which service should be used to capture these changes?
Cloud Logging
Why wrong: Cloud Logging is the umbrella; audit logs are a specific log type within it.
Cloud Monitoring
Why wrong: Monitoring tracks metrics, not changes.
Cloud Audit Logs
Audit logs capture all admin activity, including firewall rule changes.
VPC Flow Logs
Why wrong: Flow logs sample network packets, not configuration changes.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Cloud Audit Logs
Cloud Audit Logs (specifically Admin Activity audit logs) record all API calls that modify the configuration or metadata of resources, including changes to firewall rules. When a firewall rule is created, updated, or deleted, an audit log entry is automatically generated with details such as the user, timestamp, and the change made. This makes Cloud Audit Logs the correct service for auditing changes to network firewall rules in a GCP project.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Cloud Logging
Why it's wrong here
Cloud Logging is the umbrella; audit logs are a specific log type within it.
Cloud Monitoring
Why it's wrong here
Monitoring tracks metrics, not changes.
Cloud Audit Logs
Why this is correct
Audit logs capture all admin activity, including firewall rule changes.
Related concept
Read the scenario before looking for a memorised answer.
VPC Flow Logs
Why it's wrong here
Flow logs sample network packets, not configuration changes.
Common exam traps
The trap here is that candidates confuse Cloud Logging (which is a general log storage and analysis platform) with Cloud Audit Logs (which is a specific type of log that records administrative actions), leading them to pick A instead of C.
Detailed technical explanation
Under the hood, Admin Activity audit logs are enabled by default for all GCP projects and capture all 'write' operations (CREATE, UPDATE, DELETE) made via the Cloud Firewall Rules API or gcloud commands. These logs are immutable and retained for 400 days, providing a tamper-proof record for compliance. A real-world scenario is a SOC analyst needing to trace who removed a critical allow rule during an incident; Cloud Audit Logs provide the exact service account or user principal and the before/after state of the rule.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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FAQ
Manage and provision cloud infrastructure — This question tests Manage and provision cloud infrastructure — Read the scenario before looking for a memorised answer..
The correct answer is: Cloud Audit Logs — Cloud Audit Logs (specifically Admin Activity audit logs) record all API calls that modify the configuration or metadata of resources, including changes to firewall rules. When a firewall rule is created, updated, or deleted, an audit log entry is automatically generated with details such as the user, timestamp, and the change made. This makes Cloud Audit Logs the correct service for auditing changes to network firewall rules in a GCP project.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
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