- A
The Cloud Storage bucket
Why wrong: The bucket is the resource, not an identity.
- B
The IAM policy for the bucket
Why wrong: The IAM policy is applied to the bucket, but the binding is between identities.
- C
The Kubernetes service account
The Kubernetes service account needs to be mapped to the GCP service account via Workload Identity.
- D
The GCP service account
The GCP service account is the identity that will be granted IAM roles.
- E
The GKE cluster
Why wrong: The cluster is not directly bound; the mapping is between KSA and GSA.
Question 310 of 985
PCSE Practice Question: Configuring Access Within a Cloud Solution Environment
This PCSE practice question tests your understanding of configuring access within 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 developer wants to grant a Kubernetes service account in GKE the ability to read objects from a specific Cloud Storage bucket. Which two resources need to be bound together? (Choose two.)
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
✓
The Kubernetes service account
Option C is correct because the Kubernetes service account is the identity used by pods running in GKE to authenticate to Google Cloud APIs. Option D is correct because a GCP service account is the IAM identity that must be granted permissions on the Cloud Storage bucket via IAM policies. The two are bound together using workload identity federation, which allows the Kubernetes service account to impersonate the GCP service account.
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.
- ✗
The Cloud Storage bucket
Why it's wrong here
The bucket is the resource, not an identity.
- ✗
The IAM policy for the bucket
Why it's wrong here
The IAM policy is applied to the bucket, but the binding is between identities.
- ✓
The Kubernetes service account
Why this is correct
The Kubernetes service account needs to be mapped to the GCP service account via Workload Identity.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
The GCP service account
Why this is correct
The GCP service account is the identity that will be granted IAM roles.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The GKE cluster
Why it's wrong here
The cluster is not directly bound; the mapping is between KSA and GSA.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between a Kubernetes service account (a cluster-internal identity) and a GCP service account (an IAM identity), and candidates mistakenly think the bucket or the cluster itself can be directly bound to the Kubernetes service account.
Detailed technical explanation
How to think about this question
Workload identity works by creating an IAM binding between a Kubernetes service account (in the form of a custom IAM member like serviceAccount:PROJECT.svc.id.goog[NAMESPACE/KSA]) and a GCP service account. The GCP service account is then granted roles on the bucket (e.g., roles/storage.objectViewer). Under the hood, the GKE node's metadata server uses the Kubernetes service account token to exchange for a GCP access token via the STS (Security Token Service) endpoint, enabling fine-grained access without managing keys.
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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Configuring Access Within a Cloud Solution Environment — study guide chapter
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FAQ
Questions learners often ask
What does this PCSE question test?
Configuring Access Within a Cloud Solution Environment — This question tests Configuring Access Within 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: The Kubernetes service account — Option C is correct because the Kubernetes service account is the identity used by pods running in GKE to authenticate to Google Cloud APIs. Option D is correct because a GCP service account is the IAM identity that must be granted permissions on the Cloud Storage bucket via IAM policies. The two are bound together using workload identity federation, which allows the Kubernetes service account to impersonate the GCP service account.
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
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Last reviewed: Jul 4, 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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