- A
Create a service account for the SaaS application and grant it the Storage Object Creator role; then add the service account to the perimeter's allowed identities.
Why wrong: VPC Service Controls does not allow identities; it uses access levels based on client context.
- B
Create a service account for the SaaS application, grant it the Storage Object Creator role, and configure an access level that includes the service account. Then, add that access level to the perimeter's ingress policy.
VPC Service Controls ingress policies can use access levels based on service accounts. This allows the specific service account to write to the bucket while maintaining the perimeter.
- C
Create an access level that includes the SaaS application's IP addresses and use that in the perimeter's ingress policy.
Why wrong: Access levels can include IP ranges, but this would allow all traffic from those IPs, not just the specific application.
- D
Add the SaaS application's external IP addresses to the perimeter's allowed IP ranges.
Why wrong: VPC Service Controls does not support IP-based allowlisting; it uses access levels based on identity or context.
Quick Answer
The correct action is to create a service account for the SaaS application, grant it the Storage Object Creator role, and configure an access level that includes the service account, then add that access level to the perimeter's ingress policy. This works because VPC Service Controls ingress policies are the explicit mechanism for allowing traffic from outside the perimeter, and an access level acts as the gatekeeper that identifies the trusted identity. On the Google Professional Cloud Security Engineer exam, this scenario tests your understanding that ingress policies are identity-based, not network-based—a common trap is confusing ingress rules with egress rules or trying to use a VPC firewall instead. Remember that external SaaS access requires an ingress policy with an access level tied to a service account, not just an IP range. Memory tip: “Ingress is Identity”—if it’s outside the perimeter, you must use an access level to let it in.
PCSE Practice Question: Managing operations in a cloud solution environment
This PCSE practice question tests your understanding of managing operations in a cloud solution environment. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A security engineer is designing a VPC Service Controls perimeter to protect a project containing sensitive data stored in Cloud Storage and BigQuery. The perimeter currently allows access from an on-premises data center via private connectivity (Cloud Interconnect). The business requires that a third-party SaaS application (outside the perimeter) be able to write data into a specific Cloud Storage bucket. Which action should the engineer take?
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
Create a service account for the SaaS application, grant it the Storage Object Creator role, and configure an access level that includes the service account. Then, add that access level to the perimeter's ingress policy.
Option B is correct because VPC Service Controls perimeters use ingress policies to explicitly allow access from outside the perimeter. By creating a service account for the SaaS application, granting it the Storage Object Creator role, and configuring an access level that includes that service account, the engineer can add the access level to the perimeter's ingress policy. This allows the external SaaS application to write data into the specific Cloud Storage bucket while still blocking all other external access, maintaining the security of the sensitive data.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create a service account for the SaaS application and grant it the Storage Object Creator role; then add the service account to the perimeter's allowed identities.
Why it's wrong here
VPC Service Controls does not allow identities; it uses access levels based on client context.
- ✓
Create a service account for the SaaS application, grant it the Storage Object Creator role, and configure an access level that includes the service account. Then, add that access level to the perimeter's ingress policy.
Why this is correct
VPC Service Controls ingress policies can use access levels based on service accounts. This allows the specific service account to write to the bucket while maintaining the perimeter.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create an access level that includes the SaaS application's IP addresses and use that in the perimeter's ingress policy.
Why it's wrong here
Access levels can include IP ranges, but this would allow all traffic from those IPs, not just the specific application.
- ✗
Add the SaaS application's external IP addresses to the perimeter's allowed IP ranges.
Why it's wrong here
VPC Service Controls does not support IP-based allowlisting; it uses access levels based on identity or context.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the distinction between VPC Service Controls and IAM permissions, where candidates mistakenly think that granting IAM roles and adding identities to the perimeter is sufficient, ignoring the requirement for explicit ingress policies to allow external access.
Detailed technical explanation
How to think about this question
VPC Service Controls use access levels (based on attributes like IP ranges, device policy, or identity) to define context-aware conditions in ingress and egress rules. The ingress policy evaluates requests from outside the perimeter and, if the access level matches, allows the request to proceed to the allowed identities (service accounts) with the necessary IAM roles. This mechanism ensures that even if a service account has the Storage Object Creator role, it cannot write to the bucket unless the request also satisfies the access level conditions, providing a defense-in-depth approach.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
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FAQ
Questions learners often ask
What does this PCSE question test?
Managing operations in a cloud solution environment — This question tests Managing operations in a cloud solution environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a service account for the SaaS application, grant it the Storage Object Creator role, and configure an access level that includes the service account. Then, add that access level to the perimeter's ingress policy. — Option B is correct because VPC Service Controls perimeters use ingress policies to explicitly allow access from outside the perimeter. By creating a service account for the SaaS application, granting it the Storage Object Creator role, and configuring an access level that includes that service account, the engineer can add the access level to the perimeter's ingress policy. This allows the external SaaS application to write data into the specific Cloud Storage bucket while still blocking all other external access, maintaining the security of the sensitive data.
What should I do if I get this PCSE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on PCSE
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A security engineer is configuring VPC Service Controls to protect a service perimeter. Which TWO conditions must be met for a request to be allowed across the perimeter? (Choose TWO.)
easy- A.The request is made by an identity that belongs to an allowed domain.
- B.The request comes from an allowed IP range.
- C.The request is made by a service account that has been granted access.
- ✓ D.The request includes a valid access context manager access level.
- ✓ E.The request originates from a project within the perimeter.
Why D: Options B and D are correct. A request is allowed if it originates from a project within the perimeter and meets the required access levels. Option A is not a direct condition; IP ranges are part of access levels. Option C is not a standalone condition; service accounts are allowed based on identity and access levels. Option E is also part of access levels.
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Last reviewed: Jun 30, 2026
This PCSE 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 PCSE exam.
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