PCNE Implementing VPC Instances Practice Question
An organization wants to allow only certain users to access a service published via Private Service Connect. They need to restrict access based on the source VPC network. What 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
✓
Consumer allow lists in the service attachment
Private Service Connect allows publishing services with access control using service attachment with consumer allow lists that specify which projects or VPCs can connect.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Firewall rules in the consumer VPC
Why it's wrong here
Firewall rules control traffic but do not restrict access to the service attachment.
- ✗
IAM permissions on the service attachment
Why it's wrong here
IAM controls who can manage the attachment, not which VPCs can connect.
- ✓
Consumer allow lists in the service attachment
Why this is correct
Consumer allow lists restrict which projects or VPCs can access the published service.
- ✗
VPC Service Controls
Why it's wrong here
VPC Service Controls apply to Google APIs, not to PSC services.
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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.