- A
Use cosign to sign the image in Cloud Build and store the signature in Artifact Registry
Signing with cosign and storing signatures in Artifact Registry is the standard way to comply with Binary Authorization.
- B
Add a Cloud Build step that runs gcloud container binauthz attestations create
Why wrong: This command creates attestations, but the image must be signed first using a tool like cosign.
- C
Configure Cloud Deploy to sign images during the deployment process
Why wrong: Cloud Deploy does not have built-in image signing capabilities.
- D
Enable Container Analysis on Artifact Registry to automatically sign images
Why wrong: Container Analysis scans for vulnerabilities but does not sign images.
Question 971 of 1,000
PCDE Practice Question: Building and Implementing CI/CD Pipelines for a Service
This PCDE practice question tests your understanding of building and implementing ci/cd pipelines for a service. 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 wants to enforce Binary Authorization on images deployed to GKE. Images must be signed by an approved authority. What must be configured in the CI/CD pipeline to ensure images are signed before deployment?
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
✓
Use cosign to sign the image in Cloud Build and store the signature in Artifact Registry
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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.
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 cosign to sign the image in Cloud Build and store the signature in Artifact Registry
Why this is correct
Signing with cosign and storing signatures in Artifact Registry is the standard way to comply with Binary Authorization.
Related concept
Authentication checks who the user is.
- ✗
Add a Cloud Build step that runs gcloud container binauthz attestations create
Why it's wrong here
This command creates attestations, but the image must be signed first using a tool like cosign.
- ✗
Configure Cloud Deploy to sign images during the deployment process
Why it's wrong here
Cloud Deploy does not have built-in image signing capabilities.
- ✗
Enable Container Analysis on Artifact Registry to automatically sign images
Why it's wrong here
Container Analysis scans for vulnerabilities but does not sign images.
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.
Trap categories for this question
Command / output trap
This command creates attestations, but the image must be signed first using a tool like cosign.
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 PCDE questions on access control and AAA configuration.
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Building and Implementing CI/CD Pipelines for a Service — study guide chapter
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FAQ
Questions learners often ask
What does this PCDE question test?
Building and Implementing CI/CD Pipelines for a Service — This question tests Building and Implementing CI/CD Pipelines for a Service — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Use cosign to sign the image in Cloud Build and store the signature in Artifact Registry
What should I do if I get this PCDE 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 PCDE questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jul 4, 2026
This PCDE 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 PCDE exam.
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