- A
Create a Container Analysis note and grant the attestor service account the containeranalysis.notes.attacher role
This binds the attestor to the Container Analysis note, allowing it to create attestations for signed images.
- B
Add the attestor to the Binary Authorization policy as a required attestor
Why wrong: That is done in the policy, but the binding between attestor and image requires a Container Analysis note.
- C
Create a Cloud Build step that signs the image and stores the signature in Cloud Storage
Why wrong: Signing is separate from binding; the binding step is about the attestor's relationship to the note.
- D
Configure the GKE cluster to require Binary Authorization with the --no-enforce flag
Why wrong: The flag --no-enforce disables enforcement, which is opposite to the requirement.
Google PCA Practice Question: Managing and Provisioning a Solution Infrastructure
This PCA practice question tests your understanding of managing and provisioning a solution infrastructure. 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 team wants to enforce that only container images signed by their CI/CD system can be deployed to GKE. They have enabled Binary Authorization with a policy that requires an attestor. What additional step must they take to bind the attestor to the image signing process?
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
Create a Container Analysis note and grant the attestor service account the containeranalysis.notes.attacher role
After creating the attestor, you must create an AttestationAuthority note in Container Analysis and grant the attestor service account permission to bind attestations. Configuring Cloud Build to sign images is part of the process but not the binding step.
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.
- ✓
Create a Container Analysis note and grant the attestor service account the containeranalysis.notes.attacher role
Why this is correct
This binds the attestor to the Container Analysis note, allowing it to create attestations for signed images.
Related concept
Authentication checks who the user is.
- ✗
Add the attestor to the Binary Authorization policy as a required attestor
Why it's wrong here
That is done in the policy, but the binding between attestor and image requires a Container Analysis note.
- ✗
Create a Cloud Build step that signs the image and stores the signature in Cloud Storage
Why it's wrong here
Signing is separate from binding; the binding step is about the attestor's relationship to the note.
- ✗
Configure the GKE cluster to require Binary Authorization with the --no-enforce flag
Why it's wrong here
The flag --no-enforce disables enforcement, which is opposite to the requirement.
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 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.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related PCA questions on access control and AAA configuration.
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Managing and Provisioning a Solution Infrastructure — study guide chapter
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FAQ
Questions learners often ask
What does this PCA question test?
Managing and Provisioning a Solution Infrastructure — This question tests Managing and Provisioning a Solution Infrastructure — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Create a Container Analysis note and grant the attestor service account the containeranalysis.notes.attacher role — After creating the attestor, you must create an AttestationAuthority note in Container Analysis and grant the attestor service account permission to bind attestations. Configuring Cloud Build to sign images is part of the process but not the binding step.
What should I do if I get this PCA 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 PCA 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 PCA 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 PCA exam.
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