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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 36

Question 350

An exam-writing prompt produces multiple correct answers but never says how many to select. What example best teaches the required output?

  1. A representative Select TWO question with exactly two correct rationales, plausible wrong choices and an explicit cardinality label.
  2. A single-answer example that hides its answer key.
  3. An example listing four options with every option marked correct and no instruction.
  4. An unstructured paragraph explaining that assessments are complicated.

Explanation

Correct Answer

A:

The example demonstrates both user-visible selection wording and the machine-checkable answer count.

Incorrect Answers

B:

It does not teach multiple-response cardinality.

C:

The output remains ambiguous and does not match the intended format.

D:

General advice cannot replace a concrete constrained example.

Question 351

A model returns the same citation ID four times and sometimes 1,000 IDs where downstream tooling permits at most five. Which implementation correctly enforces this contract given the supported schema features and application-side validation?

  1. Use a supported array-of-ID schema, then reject duplicates and more than five IDs in deterministic application validation.
  2. Allow arbitrary arrays because the model probably meant well.
  3. Convert the array to prose and let callers parse it themselves.
  4. Always accept only the first citation without checking its validity.

Explanation

Correct Answer

A:

Anthropic schema-constrained output supports array item types, but maxItems and uniqueItems are not guaranteed by its constrained decoder. Application validation enforces the additional business requirements.

Incorrect Answers

B:

Unbounded and duplicate entries violate the consumer contract.

C:

Free text discards machine-checkable guarantees.

D:

Truncation alone does not prove relevance or authenticity.

Question 352

A document parser misreads an invoice total and the validator detects a mismatch against line items. How should the retry operate?

  1. Mark all amounts accurate because the output matches its own JSON schema.
  2. Re-read the source total and line items, correct the value if supported, and retain an explicit discrepancy if the source itself is inconsistent.
  3. Replace the printed total with computed arithmetic without noting the change.
  4. Invent missing line items to match the printed total.

Explanation

Correct Answer

B:

Validation feedback should improve evidence-based extraction, not force accounting arithmetic over an authentic document.

Incorrect Answers

A:

Syntactic validity does not establish financial correctness.

C:

Source inconsistencies must remain visible instead of silently being normalized.

D:

Inventing a missing amount would make the extracted invoice disagree with its authentic source, so the field must remain unresolved.

Question 353

A batch extractor submits 200 records. A network interruption occurs after 140 results are committed and verified. What restart method is correct?

  1. Resubmit all 200 with new IDs and merge outputs by arrival order.
  2. Declare all 200 complete because most succeeded.
  3. Delete all successful outputs to make the retry uniform.
  4. Reconcile stable record IDs, retain the 140 verified outputs, and retry only missing or uncertain items.

Explanation

Correct Answer

D:

Idempotent per-record recovery avoids duplicate work and preserves provenance.

Incorrect Answers

A:

New identities can duplicate charges and misalign records.

B:

A partial count cannot support a full completion claim.

C:

Discarding valid work increases cost and risk.

Question 354

Three model reviewers disagree on a numerical risk calculation; two used the same incorrect formula. What should the QA lead do?

  1. Remove the disagreeing reviewer’s evidence from the ledger.
  2. Independently recompute from the source values and correct the shared formula error, recording the reasoning.
  3. Accept the two matching answers without checking arithmetic.
  4. Choose the fastest response because it used fewer tokens.

Explanation

Correct Answer

B:

Correlated errors mean majority agreement is not independent proof.

Incorrect Answers

A:

Suppressing dissent prevents root-cause diagnosis.

C:

A shared wrong premise can create a false majority.

D:

Response speed is not an accuracy measure.

Question 355

A pre-tool security hook cannot reach its policy service before an agent attempts a production database deletion. What should the host do?

  1. Ask the model to guess whether deletion is approved.
  2. Execute the deletion and check policy afterward.
  3. Reject the deletion until the required authorization check can be completed, and report the policy-service blocker.
  4. Proceed because the hook timed out rather than denying explicitly.

Explanation

Correct Answer

C:

A high-impact action must fail closed when its mandatory precondition is unavailable.

Incorrect Answers

A:

Model inference cannot replace an authoritative access-control service.

B:

Post-action verification cannot undo a destructive operation reliably.

D:

An unavailable policy decision does not grant permission.

Question 356

A lengthy research agent has proven one product requirement but only hypothesized two integration constraints. The compacted context marks all three as verified. What must change?

  1. Treat every hypothesis as fact to avoid re-research.
  2. Rely only on the most recent answer, even if it omitted the sources.
  3. Keep a typed facts/assumptions/open-questions record with provenance and confidence based on evidence.
  4. Delete the verified requirement to make all statements equally uncertain.

Explanation

Correct Answer

C:

Compaction must preserve epistemic status; converting hypotheses into facts can misdirect execution.

Incorrect Answers

A:

Convenience does not justify invented verification.

B:

Recency cannot replace source-backed status.

D:

Discarding genuine evidence reduces useful context.

Question 357

A team wants to compare a direct search agent with a planner-first agent on the same user request. The current session already contains a final recommendation. How should experiments be organized?

  1. Compare whichever branch happens to be shorter without checking the requested goals.
  2. Fork the verified pre-decision session into isolated branches and record which outputs belong to each approach.
  3. Run both strategies in the same mutable history and let later responses overwrite earlier evidence.
  4. Delete the original transcript before starting a branch.

Explanation

Correct Answer

B:

A common initial state supports fair comparison without feedback contamination.

Incorrect Answers

A:

Token count alone does not establish solution quality.

C:

Shared mutable context biases subsequent results and destroys clear attribution.

D:

The baseline is necessary for reproducible comparison.

Question 358

A developer wants a setup instruction in CLAUDE.md and suggests embedding a production API secret for convenience. What is the correct project policy?

  1. Store the production secret in the repository memory with an obfuscated name.
  2. Copy the key into every nested CLAUDE.md so agents always find it.
  3. Remove all authentication requirements from the deployment instructions.
  4. Document secure credential acquisition through approved secret management, not the secret value itself.

Explanation

Correct Answer

D:

Project memory may be shared or committed. Secrets belong in controlled credential storage.

Incorrect Answers

A:

Renaming a secret does not prevent disclosure.

B:

Copying live production keys into every project-memory file increases the number of places a secret can leak.

C:

A missing secret should not cause bypass of legitimate access control.

Question 359

A research assistant reads a vendor blog describing a latency improvement and infers that customer bills will decrease. The blog does not discuss pricing. What should the final report say?

  1. Cite the latency claim as source-derived and label cost savings as an unverified inference requiring pricing data.
  2. Attribute the cost reduction directly to the vendor because the blog sounded positive.
  3. Remove the cited latency evidence so only the prediction remains.
  4. State a precise dollar savings without any cost model.

Explanation

Correct Answer

A:

Correct attribution prevents a speculative financial conclusion from masquerading as the vendor’s statement.

Incorrect Answers

B:

The source does not support a billing claim.

C:

That weakens the report by hiding the grounded fact.

D:

Unsupported numerical precision is misleading.

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.

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