PCDOE Building and implementing CI/CD pipelines Practice Question
This PCDOE practice question tests your understanding of building and implementing ci/cd pipelines. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 THREE are best practices for securing a CI/CD pipeline on Google Cloud?
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 Secret Manager to securely pass credentials to build steps.
Options A, C, and D are correct. Using a private pool avoids exposure to public internet, storing credentials in Secret Manager avoids hardcoding, and using Binary Authorization ensures container integrity. Option B is incorrect - using personal credentials is insecure. Option E is incorrect - running builds on a public pool is less secure.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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 Secret Manager to securely pass credentials to build steps.
Why this is correct
Secret Manager integrates with Cloud Build for secure access.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Authentication checks who the user is.
✓
Enable Binary Authorization to enforce that only signed images are deployed.
Why this is correct
Binary Authorization ensures trusted images.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Authentication checks who the user is.
✗
Run builds on the publicly hosted pool for better scalability.
Why it's wrong here
Public pool is less secure than private pool.
✗
Store service account keys in the source repository for build steps to use.
Why it's wrong here
Keys should never be stored in repos.
✓
Use Cloud Build private pools to isolate build execution.
Why this is correct
Private pools run in your VPC, reducing attack surface.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Authentication checks who the user is.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related PCDOE questions on access control and AAA configuration.
Building and implementing CI/CD pipelines — This question tests Building and implementing CI/CD pipelines — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Use Secret Manager to securely pass credentials to build steps. — Options A, C, and D are correct. Using a private pool avoids exposure to public internet, storing credentials in Secret Manager avoids hardcoding, and using Binary Authorization ensures container integrity. Option B is incorrect - using personal credentials is insecure. Option E is incorrect - running builds on a public pool is less secure.
What should I do if I get this PCDOE question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related PCDOE questions on access control and AAA configuration.
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?
Authentication checks who the user is.
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Question Discussion
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