Cloud Digital Leader Trust and security with Google Cloud Practice Question
This GCDL practice question tests your understanding of trust and security with google cloud. 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.
Which TWO of the following are best practices for securing a Google Cloud environment? (Choose two.)
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
✓
Grant minimal permissions to users and services using IAM roles.
Option B is correct because the principle of least privilege is a foundational security best practice in Google Cloud. By granting minimal permissions using IAM roles, you limit the attack surface and reduce the risk of unauthorized access or accidental data exposure. This aligns with Google Cloud's security model where roles are predefined or custom, and permissions are additive, never implicit.
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 the same SSH key for all Compute Engine instances.
Why it's wrong here
Using the same SSH key increases risk if the key is compromised.
✓
Grant minimal permissions to users and services using IAM roles.
Why this is correct
Least privilege reduces the impact of a compromised account.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Export service account keys and use them in on-premises applications for authentication.
Why it's wrong here
Exporting keys creates a long-term secret that increases risk.
✗
Rotate service account keys every month.
Why it's wrong here
While key rotation is good, it's not a universal best practice; some environments may rotate less frequently.
✓
Enable VPC Flow Logs for all subnets.
Why this is correct
VPC Flow Logs provide visibility into network traffic for security analysis.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that service account key rotation is a best practice, but the trap here is that the real best practice is to avoid using service account keys altogether in favor of workload identity federation or short-lived credentials.
Detailed technical explanation
How to think about this question
VPC Flow Logs (Option E) capture metadata about IP traffic flowing in and out of VPC subnets, enabling network monitoring, forensics, and security analysis without impacting performance. Under the hood, Flow Logs sample packets (default 1 sample per 10 packets) and export logs to Cloud Logging, where they can be analyzed for anomalies or compliance. Enabling them for all subnets is a best practice because it provides visibility into lateral movement and potential data exfiltration, which is critical for incident response.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this GCDL question in full detail.
Trust and security with Google Cloud — This question tests Trust and security with Google Cloud — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Grant minimal permissions to users and services using IAM roles. — Option B is correct because the principle of least privilege is a foundational security best practice in Google Cloud. By granting minimal permissions using IAM roles, you limit the attack surface and reduce the risk of unauthorized access or accidental data exposure. This aligns with Google Cloud's security model where roles are predefined or custom, and permissions are additive, never implicit.
What should I do if I get this GCDL 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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