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Exam Code: CCA-F

Exam Name: Claude Certified Architect - Foundations

Certification Provider: Anthropic

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Anthropic CCA-F Practice Test 37

Question 360

An account-management agent calls a disable-session tool. The response body is empty due to a network proxy issue. Which next step is safest?

  1. Tell the user their account was disabled because the model intended it.
  2. Check the authoritative session state or tool receipt before reporting that access was revoked.
  3. Treat absence of an error message as confirmed session revocation.
  4. Repeat the disable action endlessly without an idempotency key.

Explanation

Correct Answer

B:

Empty output is not proof that a consequential operation succeeded. Reconcile the actual provider state.

Incorrect Answers

A:

Intent and successful external execution are distinct.

C:

A blank response is ambiguous and can hide failure.

D:

Unbounded retries can create cost and inconsistent side effects.

Question 361

A planning agent asks a finance worker to evaluate a vendor proposal and a security worker to assess its API permissions. Finance recommends purchase but security finds an unresolved token scope. Which coordinator behavior is best?

  1. Authorize purchase solely because the finance worker has a positive recommendation.
  2. Let the finance worker overwrite the security worker’s tool permissions.
  3. Cancel all vendor work permanently without reporting the exact conflict.
  4. Preserve the financial recommendation, block commitment on the authorization issue, and send the conflicting evidence to the responsible decision owner.

Explanation

Correct Answer

D:

Independent specialists contribute different evidence. The coordinator must apply mandatory dependencies rather than vote away a security gate.

Incorrect Answers

A:

A price recommendation does not resolve unsafe API permissions.

B:

Subagents cannot grant one another new authority through their conclusions.

C:

An unresolved scope may be repairable. The decision owner needs the specific blocker and evidence.

Question 362

A model drafts a customer communication, receives approval for the reviewed version and then rewrites the message to include a new offer. It is about to send the revised copy. What should the host enforce?

  1. Bind send permission to the approved message version and require renewed review when material content changes.
  2. Permit any edited text if a prior version had approval.
  3. Rely on the model’s declaration that the new offer is probably acceptable.
  4. Send both versions to compensate for uncertainty.

Explanation

Correct Answer

A:

A post-approval edit can exceed the reviewed scope. Version-sensitive enforcement protects the actual outgoing text.

Incorrect Answers

B:

Approval of one version does not authorize different promises or disclosures.

C:

Probabilistic reasoning cannot replace a required communications approval.

D:

Two sends amplify side effects without resolving which message was authorized.

Question 363

Three agents must update different parts of the same deployment manifest. Their changes refer to shared version numbers and are not independent. Which design best protects consistency?

  1. Let all three edit the file concurrently with last-write-wins.
  2. Have each specialist commit a separate manifest fragment and automatically concatenate the fragments without validating shared version fields.
  3. Skip manifest validation because each agent specializes in its own section.
  4. Assign nonoverlapping read-only analyses, then apply a serialized merge with validation of shared fields.

Explanation

Correct Answer

D:

Concurrent suggestions are safe to gather; controlled integration prevents conflicting writes to shared state.

Incorrect Answers

A:

Racing writes may discard changes or produce mismatched versions.

B:

Separate fragments reduce direct write conflicts, but naive concatenation can still produce incompatible version and reference values. A serialized validated merge must enforce shared manifest constraints.

C:

Cross-field constraints can fail even when local sections look correct.

Question 364

A pull-request review job reruns after network failure. The prior run already published line-specific findings, and the new run finds the same issues. Which release-integration policy avoids duplicate noise?

  1. Mark all findings fixed because the job reran successfully.
  2. Reconcile comments by stable finding identity, commit and location, updating or skipping previously published issues.
  3. Post the same comments again because each run is a new job.
  4. Delete all previous comments regardless of whether they still apply.

Explanation

Correct Answer

B:

Idempotent reporting keeps review conversations useful while preserving changed findings.

Incorrect Answers

A:

A CI rerun is not evidence that source defects were repaired.

C:

Duplicate comments obscure unresolved issues and waste review attention.

D:

Unconditional removal loses valid audit history.

Question 365

A coordinator has access to a confidential incident report, but a specialized worker is sandboxed without that file mount. The worker needs only one redacted event table. How should it receive context?

  1. Send the worker the filesystem path and mark its review complete without verifying access.
  2. Mount the entire confidential directory in every subagent by default.
  3. Tell the worker to invent likely event rows if the path fails.
  4. Provide the approved redacted table and provenance directly through the subagent invocation, without assuming it can open the coordinator path.

Explanation

Correct Answer

D:

Subagents do not automatically share mounts or histories. Minimal explicit transfer preserves source context and access scope.

Incorrect Answers

A:

An inaccessible path is not evidence the worker received data.

B:

Broad access exceeds the worker’s narrow need.

C:

Synthetic evidence undermines incident accuracy.

Question 366

A travel tool accepts `mode` as an unvalidated string. The same endpoint sometimes searches eligibility and sometimes submits a paid application. What redesign reduces accidental commitments?

  1. Separate eligibility lookup from submission, document each side effect, and gate the paid operation.
  2. Keep the ambiguous mode and tell the agent to guess from user tone.
  3. Default unknown mode values to paid submission for convenience.
  4. Omit response receipts so calls are faster.

Explanation

Correct Answer

A:

Single-purpose interfaces clarify the required authority and the outcome an agent may expect.

Incorrect Answers

B:

Natural-language hints are not a safe contract for paid submission.

C:

An invalid parameter must not cause an irreversible side effect.

D:

Lack of receipts makes reconciliation and audit harder.

Question 367

A document-search MCP tool fails because its database pool is exhausted. The content field is empty, but its transport succeeded. How should the agent receive this result?

  1. An empty successful hit list with `complete=true`.
  2. A permanent missing-document response for every requested ID.
  3. Raw database connection secrets to assist debugging.
  4. A structured tool-execution error indicating temporary backend unavailability and that no complete search was performed.

Explanation

Correct Answer

D:

Transport success does not make a failed backend query a successful empty result. Distinct status supports a bounded retry.

Incorrect Answers

A:

That falsely implies the indexed corpus was searched and no matches exist.

B:

Pool exhaustion does not establish nonexistence of any document.

C:

Sensitive infrastructure details should not be revealed in tool errors.

Question 368

A security assistant only needs to inspect a dependency manifest and report available fixes. The tool registry includes package publishing and file deletion. Which design is appropriate?

  1. Expose source-reading and advisory tools to this specialist; require a separate authorized step for mutation.
  2. Expose all tools and rely entirely on a warning in its prompt.
  3. Publish a trial package to the staging registry as part of the advisory review without confirming a requested change.
  4. Remove access to the manifest but keep the publishing tool.

Explanation

Correct Answer

A:

Assessment is read-only. Restricting capabilities prevents unintended package releases or deletion.

Incorrect Answers

B:

Prompt-level cautions are weaker than capability isolation.

C:

Publishing to staging is still a repository mutation. Inspecting the manifest and describing available fixes is sufficient for an advisory; a separately authorized workflow should manage package publication.

D:

The worker would lack the evidence it needs while retaining an unnecessary side effect.

Question 369

After an integration upgrade, the MCP server continues to list a deprecated argument name. Live calls now fail schema validation. What is the correct investigation?

  1. Change all production data to match the stale argument name.
  2. Compare advertised tool schema with authenticated server behavior, coordinate a schema fix, and retry only validated calls.
  3. Disable validation so every payload reaches the backend.
  4. Mark every failed call a user access denial.

Explanation

Correct Answer

B:

Contract drift must be corrected at the integration boundary. Unsupported parameters should not be guessed silently.

Incorrect Answers

A:

Data mutation is unrelated to an API contract defect.

C:

A looser interface obscures the actual mismatch and creates unsafe calls.

D:

Schema inconsistency is not proof of missing user permission.

Question 370

A repository has thousands of files. An analyst needs YAML manifests under `deploy/` but does not know their names. What is a sensible built-in tool sequence?

  1. Run Write on the entire deploy directory to list its contents.
  2. Use Edit to replace an unknown manifest before locating it.
  3. Open all repository files and ask the model to remember the YAML ones.
  4. Use Glob for matching deployment YAML paths, then Read or Grep only the relevant candidates.

Explanation

Correct Answer

D:

File-path discovery narrows work before content inspection and reduces irrelevant context.

Incorrect Answers

A:

Write changes files and is not a discovery operation.

B:

A mutation without a grounded path risks unintended changes.

C:

An unbounded dump is costly and makes finding the relevant manifests harder.

Claude Certified Architect - Foundations (CCA-F) Practice Tests