PCDOE Practice Question: Bootstrapping a Google Cloud organization for DevOps
This PCDOE practice question tests your understanding of bootstrapping a google cloud organization for devops. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 company is bootstrapping their organization using Terraform and wants to store the Terraform state file in a Cloud Storage bucket with versioning enabled. Which of the following is the best practice for securing the state file?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a bucket with a CMEK key and grant roles/storage.objectAdmin to the Terraform service account.
Option C is correct because using a CMEK (Customer-Managed Encryption Key) ensures the state file is encrypted at rest with a key controlled by the organization, and granting roles/storage.objectAdmin to the Terraform service account provides the necessary read, write, and delete permissions on objects. This combination meets the security requirements for a bootstrapping scenario where the state file contains sensitive infrastructure configuration and must be protected from unauthorized access while allowing Terraform to manage it.
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.
✗
Use a bucket with fine-grained access and grant roles/storage.objectCreator to the Terraform service account.
Why it's wrong here
objectCreator allows creating but not reading or updating existing objects.
✗
Use a bucket with object versioning and enable VPC Service Controls.
Why it's wrong here
VPC SC adds network security but does not control access to the state file itself.
✓
Use a bucket with a CMEK key and grant roles/storage.objectAdmin to the Terraform service account.
Why this is correct
CMEK encrypts the state file, and objectAdmin allows full object control.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a bucket with uniform access and grant roles/storage.objectViewer to the Terraform service account.
Why it's wrong here
ObjectViewer is read-only; Terraform needs write access.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that VPC Service Controls or uniform bucket access alone are sufficient for state file security, but the exam expects candidates to recognize that encryption key management (CMEK) and the correct IAM role (objectAdmin) are the best practices for protecting sensitive state data.
Detailed technical explanation
How to think about this question
CMEK uses Cloud KMS to wrap a data encryption key (DEK) that encrypts the object; the Terraform service account must have the Cloud KMS CryptoKey Encrypter/Decrypter role in addition to storage.objectAdmin to perform operations. When versioning is enabled, each state file write creates a new object version, and CMEK encrypts each version independently, ensuring that even if an older version is restored, it remains encrypted with the same key. In a real-world bootstrapping scenario, the CMEK key itself is often created in a separate security project with restricted access to prevent the Terraform service account from deleting or modifying the key.
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.
Bootstrapping a Google Cloud organization for DevOps — This question tests Bootstrapping a Google Cloud organization for DevOps — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use a bucket with a CMEK key and grant roles/storage.objectAdmin to the Terraform service account. — Option C is correct because using a CMEK (Customer-Managed Encryption Key) ensures the state file is encrypted at rest with a key controlled by the organization, and granting roles/storage.objectAdmin to the Terraform service account provides the necessary read, write, and delete permissions on objects. This combination meets the security requirements for a bootstrapping scenario where the state file contains sensitive infrastructure configuration and must be protected from unauthorized access while allowing Terraform to manage it.
What should I do if I get this PCDOE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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