Google PCA Designing for Security and Compliance Practice Question
An organization needs to restrict access to a Cloud Storage bucket so that only resources in a specific VPC network can read the data. They want to prevent data exfiltration via the internet. Which combination of services 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 and Private Google Access
VPC Service Controls create service perimeters that protect Cloud Storage and other services. Private Google Access allows on-premises or VM access via private IP. Together they restrict access to the VPC network.
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 and Cloud VPN
Why it's wrong here
Firewall rules control traffic but do not prevent data exfiltration from Google Cloud services.
- ✗
Cloud Armor and Cloud NAT
Why it's wrong here
Cloud Armor provides WAF protection, not network access control.
- ✓
VPC Service Controls and Private Google Access
Why this is correct
VPC Service Controls create a perimeter around Cloud Storage, and Private Google Access allows access from VMs using private IPs.
- ✗
IAM Conditions and Cloud CDN
Why it's wrong here
IAM Conditions control who can access, but not the network path.
Go deeper
Related to this question
Learn chapter
Introduction to Google Cloud Platform
Key term
VPC network
A Virtual Private Cloud (VPC) network is a logically isolated section of a public cloud provider's infrastructure where you can launch cloud resources in a virtual network that you define and control.
Key term
CAN
A CAN (Controller Area Network) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other without a host computer.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCA 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 PCA exam.