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Exam Code: CCA-F

Exam Name: Claude Certified Architect - Foundations

Certification Provider: Anthropic

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"Claude Certified Architect - Foundations Exam", also known as CCA-F exam, is a Anthropic certification exam.

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Anthropic CCA-F Practice Test 24

Question 230

A service processes thousands of independent invoices. A developer suggests placing several customers’ full invoices inside one shared conversation to save overhead. What is the main design concern?

  1. Keep per-customer inputs logically isolated and use a supported batch interface with distinct request IDs for independent jobs.
  2. A shared conversation guarantees that each invoice remains independent.
  3. All customers should share one output file without identifiers.
  4. Discard invoices that are too large without reporting failures.

Explanation

Correct Answer

A:

Batching need not imply a shared reasoning context. Isolation prevents customer data from influencing unrelated outputs.

Incorrect Answers

B:

Context is cumulative and can contaminate later responses. Independence must be maintained explicitly.

C:

Without IDs, results can be misattributed. Per-request reconciliation is essential.

D:

Completeness needs explicit per-item status. Silent omission is not an optimization.

Question 231

Two language-model reviewers agree with a project cost estimate, but an arithmetic error may have been copied into both. What extra check adds distinct assurance?

  1. Remove the calculation details from the report.
  2. Recompute the totals with a deterministic calculator using verified inputs and reconcile differences with the written estimate.
  3. Ask both reviewers to restate the estimate more confidently.
  4. Take the average of the two matching totals.

Explanation

Correct Answer

B:

A different verification method catches correlated reasoning mistakes. The arithmetic check complements, rather than duplicates, narrative review.

Incorrect Answers

A:

Hiding working figures does not ensure correctness. Transparent validation is needed.

C:

Confidence cannot fix arithmetic. Shared assumptions can produce identical wrong totals.

D:

Averaging identical errors preserves the error. The underlying computation must be checked.

Question 232

A coordinator asks a worker to research one API error. The worker returns hundreds of irrelevant pages and never closes the task. Which delegation request would help?

  1. Allow the worker to install arbitrary packages during the search.
  2. Specify the exact error, allowed sources, evidence format, maximum retrieval budget and termination condition.
  3. Tell the worker to search everything until it feels completely certain.
  4. Provide no error code so the worker can explore more freely.

Explanation

Correct Answer

B:

A bounded contract gives the worker enough scope to investigate while preventing open-ended context growth. The coordinator can verify the concise finding.

Incorrect Answers

A:

New software installation is unrelated to understanding the documented error and adds risk. Read-only sources are usually sufficient.

C:

Absolute certainty is rarely available and can cause endless retrieval. Limits and acceptance criteria are needed.

D:

Missing identifiers make evidence gathering less targeted. Specific context improves relevance.

Question 233

An agent submits a large report generation job. The tool returns `accepted` and a job ID, but the agent reports that the finished report has been uploaded. What interface contract would prevent this?

  1. Make the submission tool claim success before processing begins.
  2. Remove the job ID to shorten the tool response.
  3. Have the assistant guess completion based on typical execution speed.
  4. Separate submission, status and result retrieval tools with explicit pending, succeeded and failed states.

Explanation

Correct Answer

D:

Accepted means queued, not completed. State-specific tools and result identifiers make the workflow observable.

Incorrect Answers

A:

Premature success is misleading. Completion needs an actual terminal job result.

B:

Without a durable reference the agent cannot poll or retrieve output. The identifier is essential.

C:

Elapsed time is not a completion signal. A verified status is required.

Question 234

A shipping MCP tool receives valid addresses but the postal-rate service is down. Its current response labels the address invalid. What error type is more accurate?

  1. A retryable upstream dependency-unavailable error with a sanitized service identifier and request correlation.
  2. A permanent bad-address error that prevents all future attempts.
  3. Use a cached quote from a superficially similar parcel and return it as a fresh rate with no availability warning.
  4. A success status with no rate field and no explanation.

Explanation

Correct Answer

A:

A remote outage does not make the input invalid. Correct classification lets the caller retry without asking users to change valid data.

Incorrect Answers

B:

The input passed validation. Mislabeling the cause creates unnecessary user work.

C:

Rates can vary by destination, package dimensions, timing, and carrier. A cached quote from a different shipment cannot be passed off as a current rate when the rating provider is unavailable.

D:

An incomplete success payload obscures the real service failure. Clients need actionable status.

Question 235

A code-review subagent asks for Bash execution to run tests. Its current role permits only Read and Grep. What is a safe host response?

  1. Give permanent unrestricted Bash access for every future job.
  2. Grant session-wide Bash access immediately after the worker requests it, without checking the proposed command or working directory.
  3. Run the command invisibly without checking working directory or arguments.
  4. Evaluate the requested command against the task policy, grant only a narrowly scoped test invocation if authorized, and record the decision.

Explanation

Correct Answer

D:

A conditional elevation can be safe when explicitly bounded. The worker should not receive unrestricted shell rights.

Incorrect Answers

A:

One test request does not justify global powers. Persistent privilege inflation expands risk.

B:

Temporary access can still execute unintended commands. Evaluate the specific invocation, path and task authorization before granting a narrow test-running permission; the model's request is not approval.

C:

Command context affects what files may change. Scope and auditability are necessary.

Question 236

A remote MCP knowledge server returns a resource whose title says “Official internal policy,” but the server is not managed by the company. What should the agent do?

  1. Remove origin metadata to make the resource look uniform with trusted sources.
  2. Attribute the resource to the actual remote server and verify policy authority before treating its contents as binding.
  3. Treat any string containing “Official” as an internal administrative directive.
  4. Grant the server all local tools because it presents a policy resource.

Explanation

Correct Answer

B:

A resource title is not proof of origin. Provenance and trust policy determine whether it can influence enterprise decisions.

Incorrect Answers

A:

Stripping provenance makes source assessment impossible. The origin should remain visible.

C:

Untrusted publishers can choose arbitrary names. Authority must be verified.

D:

A remote text resource does not authorize privileged access. Data and tool permissions remain separate.

Question 237

An incident summary quotes an internal packet capture and an external blog that speculates about attribution. The capture proves data left the network, not who sent it. What should the report say?

  1. State the observed exfiltration evidence separately from the unverified attribution hypothesis, with source labels and confidence limits.
  2. Attribute the intrusion definitively to the blog’s named group.
  3. Suppress the packet capture because it does not identify the attacker.
  4. State that no exfiltration occurred because attribution is uncertain.

Explanation

Correct Answer

A:

The primary telemetry supports an event, while the blog offers a possible cause. A careful report avoids promoting speculation to fact.

Incorrect Answers

B:

A public speculation is not sufficient for attribution. Independent indicators are needed.

C:

Direct telemetry remains important evidence even without attribution. It should be retained and described accurately.

D:

Uncertainty about an actor does not erase observed data movement. Distinguish separate claims.

Question 238

A CI job should assess changed application code but currently scans every historical generated file, causing high latency. What optimization preserves meaningful coverage?

  1. Disable all security checks for performance.
  2. Report clean whenever more than ten files changed.
  3. Use the diff to select changed files plus their important dependencies and critical security checks, with a periodic broader scan separately.
  4. Review only files directly listed in the diff, even when changed interfaces have dependent authorization callers elsewhere.

Explanation

Correct Answer

C:

Change-focused review reduces routine cost without abandoning systemic coverage. Dependencies and important shared contracts still need examination.

Incorrect Answers

A:

Speed is not sufficient justification to remove required safeguards. Risk-based scoping is preferable.

B:

Large changes may need more scrutiny, not automatic approval. Workload should be partitioned safely.

D:

A diff-only scope is an improvement over reviewing historical generated files, but can miss dependent callers or central security contracts affected by a changed interface. Critical dependencies still require inspection.

Question 239

An agent streams a response with an incomplete tool-use payload before a network disconnect. A client sees a few text tokens and closes the task. How should it determine completion?

  1. Execute an unfinished JSON tool call by guessing missing fields.
  2. Report success if the TCP connection closed, regardless of application state.
  3. Validate the full protocol response and terminal stop state; recover or retry incomplete tool calls instead of inferring completion from partial text.
  4. Treat any received text as final because streaming has started.

Explanation

Correct Answer

C:

Transport interruption is not an end-of-task signal. Protocol framing and state reconciliation protect tool execution correctness.

Incorrect Answers

A:

Invented arguments can trigger the wrong action. The call must be complete and validated.

B:

A closed socket can indicate failure. Business and protocol completion need explicit confirmation.

D:

Partial streams can precede tool calls or fail mid-message. The complete terminal state matters.

Question 240

A coordinator receives a straightforward question about a repository’s test command. It has access to testing, legal and finance subagents. Which routing choice avoids needless work?

  1. Launch finance and legal specialists even though their expertise is irrelevant.
  2. Ask all workers to run deployment commands to discover the answer.
  3. Answer from memory without checking the repository because a test specialist exists.
  4. Delegate to the testing specialist alone, using a bounded question and request for the actual command and source location.

Explanation

Correct Answer

D:

Task-aware routing minimizes latency and unnecessary exposure. The coordinator can still validate the cited repository evidence before answering.

Incorrect Answers

A:

Irrelevant workers add latency and may produce distracting speculation. Delegation should match the task.

B:

The user requested a command identification, not production execution. Read-only inspection is sufficient.

C:

Local commands may differ across projects. Source evidence is preferable to guessing.

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