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PROFESSIONAL-CLOUD-SECURITY-ENGINEER · Question #204

You have a highly sensitive BigQuery workload that contains personally identifiable information (PII) that you want to ensure is not accessible from the internet. To prevent data exfiltration, only…

The correct answer is A. Use service perimeter and create an access level based on the authorized source IP address as. VPC Service Controls allow you to build a security perimeter around GCP resources like BigQuery. Access levels within that perimeter can enforce IP-based conditions, meaning only requests originating from authorized IP ranges can reach the BigQuery APIs - even if valid…

Submitted by andreas_gr· Apr 18, 2026Configuring access within a cloud solution environment

Question

You have a highly sensitive BigQuery workload that contains personally identifiable information (PII) that you want to ensure is not accessible from the internet. To prevent data exfiltration, only requests from authorized IP addresses are allowed to query your BigQuery tables. What should you do?

Options

  • AUse service perimeter and create an access level based on the authorized source IP address as
  • BUse Google Cloud Armor security policies defining an allowlist of authorized IP addresses at the
  • CUse the Restrict Resource Service Usage organization policy constraint along with Cloud Data
  • DUse the Restrict allowed Google Cloud APIs and services organization policy constraint along

How the community answered

(20 responses)
  • A
    75% (15)
  • B
    5% (1)
  • C
    15% (3)
  • D
    5% (1)

Explanation

VPC Service Controls allow you to build a security perimeter around GCP resources like BigQuery. Access levels within that perimeter can enforce IP-based conditions, meaning only requests originating from authorized IP ranges can reach the BigQuery APIs - even if valid credentials are used from an unauthorized network. This prevents both unauthorized access and data exfiltration. Option B (Google Cloud Armor) protects HTTP load balancer endpoints and cannot restrict direct BigQuery API calls. Options C and D (organization policy constraints) govern which services or APIs can be used within an org, but do not enforce IP-based access restrictions at the API level for specific datasets.

Topics

#VPC Service Controls#Data Exfiltration Prevention#BigQuery Security#IP Access Control

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