PCNE Practice Question: Managing, Monitoring, and Optimising Network Operations
A network engineer wants to test whether a Compute Engine VM can reach a Cloud SQL instance in a different VPC network, considering firewall rules and VPC peering. Which Google Cloud tool should they use?
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
✓
Connectivity Tests
Connectivity Tests in Network Intelligence Center allows you to specify source and destination (including IP addresses, instances, or Google APIs) and evaluate reachability based on firewall rules, routes, VPC peering, and other policy configurations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
VPC Flow Logs
Why it's wrong here
VPC Flow Logs record network flows but do not test reachability proactively.
- ✓
Connectivity Tests
Why this is correct
Connectivity Tests are designed for this exactly — simulating traffic between endpoints.
- ✗
Firewall Insights
Why it's wrong here
Firewall Insights provide analytics on firewall usage but do not test connectivity.
- ✗
Packet Mirroring
Why it's wrong here
Packet Mirroring copies traffic for analysis but does not test reachability.
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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.