PCNE Implementing VPC Instances Practice Question
An organization wants to prevent data exfiltration from a project that uses Google Cloud Storage and BigQuery. They need to restrict access to these services from only the authorized VPC networks. Which service 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
✓
VPC Service Controls
VPC Service Controls allow creating a service perimeter around GCP services (like Cloud Storage and BigQuery) to restrict data access to only authorized VPCs and projects. This prevents data exfiltration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud NAT
Why it's wrong here
Cloud NAT provides outbound connectivity, not data exfiltration prevention.
- ✓
VPC Service Controls
Why this is correct
VPC Service Controls create perimeters to protect data.
- ✗
Private Google Access
Why it's wrong here
Private Google Access allows access to Google APIs privately, but does not enforce restrictions.
- ✗
Cloud Armor
Why it's wrong here
Cloud Armor is for DDoS/WAF protection, not data exfiltration.
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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.