PCNE Practice Question: Managing, Monitoring, and Optimising Network Operations
An organization needs to monitor and analyze firewall rule activity for security auditing. Which TWO actions should they take? (Choose 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
✓
Enable firewall rules logging for the rules to monitor.
Enable firewall rules logging for rules of interest. Export logs to BigQuery for analysis. Cloud Logging captures the logs, and BigQuery allows complex queries.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable Cloud NAT logging.
Why it's wrong here
Cloud NAT logging captures NAT connections, not firewall rules.
- ✗
Enable VPC Flow Logs on all subnets.
Why it's wrong here
VPC Flow Logs capture flow metadata, not firewall rule activity.
- ✓
Enable firewall rules logging for the rules to monitor.
Why this is correct
Firewall rules logging logs allow/deny events.
- ✗
Use Packet Mirroring to capture all traffic.
Why it's wrong here
Packet Mirroring captures full packets, which is overkill and costly.
- ✓
Export logs from Cloud Logging to BigQuery.
Why this is correct
Exporting to BigQuery enables analysis.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNE practice question is part of Courseiva's free Google Cloud 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 PCNE exam.