PCNE Practice Question: Managing, Monitoring, and Optimising Network Operations
A network engineer wants to test whether a VM in VPC A can reach a VM in VPC B that is connected via VPC peering. The engineer suspects that firewall rules or routes are blocking traffic. Which Google Cloud service should they use to test the path and identify the blocking rule?
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 check reachability between source and destination endpoints, analyzing firewall rules, routes, and VPC peering configurations to identify the blocking rule.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Performance Dashboard
Why it's wrong here
Performance Dashboard shows latency and packet loss metrics but does not test specific paths.
- ✗
VPC Flow Logs
Why it's wrong here
VPC Flow Logs log network flows but do not test reachability or identify blocking rules proactively.
- ✓
Connectivity Tests
Why this is correct
Connectivity Tests is designed to test reachability and diagnose firewall/route blocking.
- ✗
Firewall Insights
Why it's wrong here
Firewall Insights provides analytics on firewall rules but does not perform path testing.
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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.