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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 7

Question 60

A logistics agent ends one response with stop_reason=tool_use after asking for a delivery lookup. An engineer labels the response “complete” because the natural-language preface sounds final. What runtime check should replace that heuristic?

  1. Rely on the number of tokens generated as a proxy for whether the workflow is complete.
  2. Branch on the structured stop_reason, run and return the requested tool results, and finish only after the model supplies a final end_turn.
  3. Stop whenever a response includes a period after a sentence.
  4. Send an empty tool result without performing the lookup and ask the model to guess the delivery status.

Explanation

Correct Answer

B:

The API stop reason controls the tool handshake. Surface wording can be misleading because an assistant may emit explanatory text before requesting a tool.

Incorrect Answers

A:

Token usage is a budgeting metric, not a task-completion signal. The structured protocol response should drive the loop.

C:

Punctuation conveys no protocol state. It cannot determine whether the model is waiting for a tool result.

D:

A fabricated empty result hides missing backend work and invites unsupported claims. The requested lookup should execute or return a truthful error.

Question 61

A coordinator gets completed market and compliance reports. Its synthesis agent identifies a missing regulator notice that could reverse the launch recommendation. What should the coordinator do next?

  1. Ask the synthesis agent to make up a likely regulator position using market trends.
  2. Rerun every earlier search with identical inputs even though only the regulator notice is missing.
  3. Commission a narrowly scoped regulator-notice lookup, give its results to synthesis, and revise the recommendation accordingly.
  4. Publish the original synthesis because every initially assigned subagent responded.

Explanation

Correct Answer

C:

Hub-and-spoke orchestration is iterative when evidence gaps emerge. Targeted re-delegation is more defensible than publishing a known incomplete synthesis.

Incorrect Answers

A:

Inferred policy is not an authoritative notice. This could mislead decision makers about launch legality.

B:

Blind repetition wastes tool calls and may not close the specific gap. The coordinator can define a targeted follow-up.

D:

Completed subtasks do not guarantee complete coverage. A newly identified material source gap should be investigated before a definitive recommendation.

Question 62

A coding assistant has finished editing a payment service but a required integration test has not run. The assistant prepares a deployment tool call while its prompt says “test first.” How should the orchestration layer respond?

  1. Allow deployment and create a retrospective warning if the tests later fail.
  2. Reject the deployment until the test runner reports a recorded successful result for the intended revision.
  3. Proceed because the assistant asserted its code should pass.
  4. Mark testing complete if the build contains a test directory.

Explanation

Correct Answer

B:

A deterministic prerequisite binds deployment to verifiable test evidence. Merely prompting the assistant does not guarantee ordering.

Incorrect Answers

A:

That reverses the required control order and exposes production to unvalidated changes. Prevention must happen before the tool executes.

C:

A prediction does not replace executed integration tests. The required gate concerns an observed result for the actual revision.

D:

Presence of files does not mean they executed or passed. The gate must reference the test outcome.

Question 63

A compliance report follows a stable process: extract numeric figures from three known forms, reconcile totals, then generate a management summary. Which orchestration approach is most efficient?

  1. Use an explicit extract → deterministic validate → synthesize pipeline with outputs passed between steps.
  2. Have independent agents extract figures and write the final summary at the same time, then reconcile the summary after delivery.
  3. Generate the final narrative before extracting the source figures.
  4. Skip numeric validation because a confident summary makes the figures credible.

Explanation

Correct Answer

A:

The stages and dependencies are predictable. A chain clarifies what data each later step may trust and where exceptions belong.

Incorrect Answers

B:

Separate extraction can parallelize, but the management summary depends on reconciled numbers. Writing it concurrently with validation risks publishing a narrative based on values not yet shown to be consistent.

C:

The summary would rely on assumptions rather than extracted evidence. The extraction and reconciliation should happen first.

D:

Model fluency does not establish arithmetic correctness. A deterministic reconciliation stage is necessary.

Question 64

A research agent found a performance claim in a dated benchmark and a conflicting number in the vendor release notes. A manager wants a short conclusion without losing evidence traceability. What should the synopsis preserve?

  1. Average the measurements and omit how they were produced.
  2. Drop both dates and source labels to make the report easier to read.
  3. Attach both measurements to their source URLs, publication dates, test conditions and an explicit unresolved conflict.
  4. Report the larger number as objective truth because it looks more impressive.

Explanation

Correct Answer

C:

Claim-level metadata allows others to interpret disagreement instead of treating a blended number as fact. Brevity need not erase provenance.

Incorrect Answers

A:

An unqualified average has no validated meaning when test setups differ. Each value should retain its conditions.

B:

Removing attribution makes it impossible to inspect freshness or credibility. The requested summary must remain auditable.

D:

Benchmark values can differ by conditions and date. Choosing one without provenance conceals the disagreement.

Question 65

A coordinator reads order status from one backend as numeric 1 for shipped and from another as the text “1” for an internal error code. The model occasionally treats both as shipment confirmation. What correction is appropriate?

  1. Strip the status fields so the model only sees customer names.
  2. Compare the raw tool results as strings and choose the shortest status value.
  3. Normalize each tool payload into a typed, source-aware schema before it enters the assistant context.
  4. Tell the model that any response containing the digit 1 means shipped.

Explanation

Correct Answer

C:

A post-tool adapter can distinguish business status from diagnostic codes. Typed fields and source metadata prevent semantic collisions.

Incorrect Answers

A:

Removing status prevents the system from answering the real question. It should preserve and normalize relevant data.

B:

String length is unrelated to business meaning. A validated status mapping is needed to interpret these codes.

D:

The same character has different meanings in the two systems. A global rule would create false shipping claims.

Question 66

Two research subagents supply summaries to a third synthesis agent, but page numbers and document dates were dropped. The final answer cannot attribute specific policy statements. Which handoff format is best?

  1. Use an anonymous confidence percentage instead of references.
  2. Pass structured findings with claim text, source URL or document ID, page location and publication date.
  3. Pass only broad thematic summaries and ask synthesis to add citations afterward.
  4. Pass the entire unfiltered browsing transcript but omit source names.

Explanation

Correct Answer

B:

A provenance-rich handoff preserves the facts needed to cite each claim. Subagents cannot reconstruct missing source identifiers from generic prose.

Incorrect Answers

A:

Confidence is not documentary evidence. Readers need source locations to inspect the claims.

C:

Later citations would be guessed or disconnected from actual evidence. Attribution should travel alongside each finding.

D:

Volume does not compensate for missing provenance. A compact structured result is easier to reason over.

Question 67

A ticketing agent often sends case numbers to a tool that only accepts customer email addresses, despite both tools having descriptive names. What interface-level change is most direct?

  1. Allow the email tool to silently interpret arbitrary case IDs as addresses.
  2. Add a vague system prompt asking the agent to be careful with tools.
  3. Delete the case-number lookup capability entirely.
  4. State the accepted identifier format, required fields, examples and “do not use for case IDs” boundary in the relevant tool descriptions.

Explanation

Correct Answer

D:

Precise input contracts help the agent route requests correctly. Tool names alone are insufficient when two actions appear related.

Incorrect Answers

A:

Implicit coercion may retrieve the wrong record or fail unpredictably. Input constraints should remain explicit.

B:

A generic reminder does not clarify which identifiers each tool accepts. Descriptions should encode the distinction.

C:

Removing a useful tool hides the actual routing problem. Clearer boundaries preserve both workflows.

Question 68

An account tool refuses a requested cancellation because the contract is still inside its minimum term. The agent keeps retrying as though the service is down. How should the MCP result be structured?

  1. Return a transient timeout error so the agent retries until the minimum term ends.
  2. Return success while leaving the subscription active and telling the customer it was cancelled.
  3. Remove all details and use a generic stack trace as the customer response.
  4. Return a business-rule error marked nonretryable and explain the contract restriction and available authorized next steps.

Explanation

Correct Answer

D:

This is a valid policy denial, not an outage. The metadata lets the agent communicate the reason or escalate appropriately instead of repeatedly calling the tool.

Incorrect Answers

A:

The policy will not change through immediate retries. Misclassification increases load and obscures the real decision.

B:

False success would misrepresent an important contractual action. The result must truthfully report refusal.

C:

Opaque technical traces cannot guide next steps and may expose internals. Structured business context is the appropriate output.

Question 69

A new model returns HTTP 400 when the application sets tool_choice to a named tool. The model documentation says that forced selection is unsupported for this model family. What is the safest architecture response?

  1. Use a supported auto tool-choice mode with strict schema-validated tools, and enforce mandatory prerequisites in application code.
  2. Retry the identical unsupported forced-tool request until the server accepts it.
  3. Remove all validation and let the model invent tool outputs in its final text.
  4. Assume every current and future model must support the July 2026 guide’s older tool-choice examples.

Explanation

Correct Answer

A:

A model-specific unsupported parameter cannot be made reliable through prompt text. Code-level orchestration can guarantee required validation before downstream work.

Incorrect Answers

B:

A documented incompatibility is not a transient timeout. Repetition will only produce more invalid requests.

C:

A false tool result destroys correctness and auditing. The application should call supported tools and verify outcomes.

D:

The product API may change by model and time. Implementations must follow the chosen model’s current documented contract.

Question 70

A developer is testing a private local knowledge MCP server that other teammates should not discover or configure. The project already has production MCP integrations committed. Where should this experimental configuration belong?

  1. Commit the personal server and bearer token to shared .mcp.json.
  2. Put the experimental URL into the main CLAUDE.md as a standing team instruction.
  3. Publish every local server resource to an unrestricted public endpoint.
  4. Configure it at user scope with local credentials rather than adding it to the shared project MCP file.

Explanation

Correct Answer

D:

User-level configuration isolates a personal experiment. Team-managed integrations remain in project scope without forcing unrelated dependencies on colleagues.

Incorrect Answers

A:

This would expose a secret and impose a workstation-specific server on the team. The integration is not a project requirement.

B:

Shared instructions should describe team behavior, not silently enable a personal tool. A local MCP configuration is more appropriate.

C:

The request concerns local experimentation, not external sharing. Publishing resources broadens exposure unnecessarily.

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