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Deploying and implementing a cloud solution →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to reference the API key from Secret Manager using the `availableSecrets` field in `cloudbuild.yaml`. This is correct because `availableSecrets` allows Cloud Build to securely inject secrets as environment variables or file mounts during build steps, keeping the sensitive value out of the build configuration, logs, and source code. On the Google Associate Cloud Engineer exam, this concept tests your understanding of secure secret injection in CI/CD pipelines, often appearing as a distractor where less secure options like plain-text substitution or build arguments are offered. A common trap is choosing environment variables set directly in the step, which are visible in logs; the key distinction is that `availableSecrets` pulls the value from Secret Manager at runtime, encrypted and access-controlled via IAM. Remember the mnemonic: "Secrets are available, not visible" — if you see `availableSecrets`, you know the secret stays hidden.

Google ACE Deploying and implementing a cloud solution Practice Question

This ACE practice question tests your understanding of deploying and implementing a cloud solution. 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 team uses Cloud Build to build Docker images and push them to Artifact Registry. The cloudbuild.yaml has a step that requires a secret API key to call an external service during build. How should the secret be provided securely?

Question 1mediummultiple choice
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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

✓

Reference the API key from Secret Manager using the availableSecrets field in cloudbuild.yaml

Option B is correct because Cloud Build's `availableSecrets` field allows you to securely inject secrets from Secret Manager into build steps as environment variables or files, without exposing them in the build configuration or logs. This approach ensures the API key is encrypted at rest and in transit, and access can be controlled via IAM permissions, making it the only secure method among the options.

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.

  • ✗

    Pass the API key as a build substitution variable in the gcloud builds submit command

    Why it's wrong here

    Substitution variables are passed on the command line and appear in Cloud Build logs — they're not secure for sensitive values.

  • ✓

    Reference the API key from Secret Manager using the availableSecrets field in cloudbuild.yaml

    Why this is correct

    Cloud Build's `availableSecrets.secretManager` configuration retrieves the secret value at build time and makes it available as an environment variable, without logging the value.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Store the API key in a Cloud Storage bucket and download it in a build step

    Why it's wrong here

    Downloading secrets from Cloud Storage in build steps can expose them in build logs and is not the recommended secure pattern.

  • ✗

    Hardcode the API key in the cloudbuild.yaml and store it in the source repository

    Why it's wrong here

    Storing secrets in source code files is a critical security anti-pattern — the key is exposed to everyone with repository access.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Google Cloud often tests the misconception that substitution variables are secure because they are 'variables,' but they are actually passed as plain text and can be logged, whereas `availableSecrets` is the only method that guarantees the secret is never exposed in the build configuration or logs.

Trap categories for this question

  • Command / output trap

    Substitution variables are passed on the command line and appear in Cloud Build logs — they're not secure for sensitive values.

Detailed technical explanation

How to think about this question

Under the hood, `availableSecrets` maps a Secret Manager secret version to an environment variable or file path in the build step, and Cloud Build automatically decrypts the secret using the Cloud Build service account's IAM permissions (roles/secretmanager.secretAccessor). This avoids the need to pass secrets via substitution variables or inline commands, and the secret value is never written to Cloud Build logs or the build configuration file. In a real-world scenario, this is critical for compliance with standards like PCI-DSS or SOC 2, where secret exposure must be minimized.

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.

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FAQ

Questions learners often ask

What does this ACE question test?

Deploying and implementing a cloud solution — This question tests Deploying and implementing a cloud solution — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Reference the API key from Secret Manager using the availableSecrets field in cloudbuild.yaml — Option B is correct because Cloud Build's `availableSecrets` field allows you to securely inject secrets from Secret Manager into build steps as environment variables or files, without exposing them in the build configuration or logs. This approach ensures the API key is encrypted at rest and in transit, and access can be controlled via IAM permissions, making it the only secure method among the options.

What should I do if I get this ACE question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 30, 2026

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This ACE 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 ACE exam.