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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 14

Question 130

A project hosts v1 and v2 API handlers in distinct directories. The older version requires legacy response envelopes; the newer uses typed JSON error objects. What is the best project-rule design?

  1. Apply path-scoped conventions to each API subtree while keeping common authentication rules shared.
  2. Use v2 response rules for every handler and assume old clients adapt.
  3. Remove all error-handling instructions to avoid conflict.
  4. Put both conflicting envelope rules in a single unconditional root directive.

Explanation

Correct Answer

A:

Conditional file rules encode version-specific contracts without contaminating unrelated handlers. Common security practices can remain repository-wide.

Incorrect Answers

B:

Legacy clients may depend on the v1 envelope. Cross-version rule leakage can break compatibility.

C:

Absence of rules makes output inconsistent and does not protect either public contract.

D:

Simultaneous incompatible instructions leave the model unable to choose correctly. Scope matters.

Question 131

A user identifies a misspelled heading in one Markdown file and requests only that correction. The path is known and no other behavior changes. What is the most efficient Claude Code approach?

  1. Enter a lengthy multi-agent architecture planning session before changing one word.
  2. Rewrite all documentation pages for consistency before fixing the heading.
  3. Delete the documentation file and create a new placeholder.
  4. Make the narrow edit directly, then inspect the diff to confirm only the heading changed.

Explanation

Correct Answer

D:

The task is low risk and fully specified, so an elaborate planning phase is unnecessary. A focused diff validates scope.

Incorrect Answers

A:

The known reversible edit does not justify heavy planning overhead. Simple execution with verification is sufficient.

B:

A single typo does not authorize broad reorganization. Extra changes increase review risk.

C:

Destructive replacement can lose unrelated material. A surgical edit preserves existing content.

Question 132

Claude Code changes an access-control test but the CI suite reveals it also allows ordinary users to update administrators. Which iteration best restores correctness?

  1. Give all users administrative rights in development and production.
  2. Regenerate the entire project without preserving prior test expectations.
  3. Inspect the failed authorization test, make a focused rule change, and rerun both negative and positive privilege tests.
  4. Suppress the failing security test so CI becomes green.

Explanation

Correct Answer

C:

The failed test exposes a security boundary regression. Targeted correction plus regression cases demonstrates the intended denial without breaking valid access.

Incorrect Answers

A:

Broad privileges amplify the defect. The required control is role-appropriate authorization.

B:

Unbounded rewriting risks more regressions and loses context. A focused edit is the reliable recovery path.

D:

Removing a detection does not repair the privilege escalation. The rule remains unsafe.

Question 133

A procurement classifier flags every contract with the word “transfer” as an international data transfer. Most occurrences describe transferring ownership of equipment. How should the prompt be made more precise?

  1. Ask for an affirmative international transfer whenever the token appears.
  2. Ignore the contract’s defined terms and jurisdiction clause.
  3. Declare every contract compliant without inspecting its provisions.
  4. Define the target as movement or access to personal data across jurisdictions, require the relevant clause and affected data, and permit a not-applicable result.

Explanation

Correct Answer

D:

Explicit legal-technical criteria distinguish data processing from ordinary contractual language. Evidence requirements reduce over-classification.

Incorrect Answers

A:

Keyword matching ignores meaning and causes predictable false positives. The model should assess the actual data flow.

B:

Context often determines whether a transfer is regulated. Omitting it weakens analysis.

C:

Blind approval is as unreliable as blanket rejection. Classification needs source evidence.

Question 134

An extraction prompt confuses invoice subtotal, tax and total due because each appears near the same currency symbol. Which few-shot design most directly improves reliability?

  1. Show only one invoice where subtotal equals the total.
  2. Label every monetary figure as total due and let consumers correct it.
  3. Omit examples and instruct the model to choose the largest number.
  4. Provide annotated examples with all three fields, including cases with discounts and a zero-tax line, and show which label binds to each value.

Explanation

Correct Answer

D:

Contrasting examples teach the local layout and arithmetic boundary. A zero-tax case prevents the model from assuming that every middle amount is tax.

Incorrect Answers

A:

A degenerate example does not teach how to separate the amounts when taxes or discounts apply.

B:

Wrong labels propagate downstream financial errors. Training examples should preserve distinct field semantics.

C:

The largest figure may not be the payable total, especially with credits. Evidence from labels and context is needed.

Question 135

An address extraction API accepts `street`, `city` and `postal_code` only. The assistant keeps adding unsanctioned `guess` fields that break a strict importer. What schema constraint helps?

  1. Accept every extra property and hope the importer ignores it.
  2. Return prose describing the address instead of JSON.
  3. Delete postal codes because some documents omit them.
  4. Use a strict object schema with required allowed keys and additional properties disabled, then validate the result.

Explanation

Correct Answer

D:

A closed schema prevents arbitrary new fields. Validation still must check the source-derived values, not only the response shape.

Incorrect Answers

A:

The importer is explicitly strict, so surplus keys can cause processing failure. A fixed contract is needed.

B:

Free-form text avoids the agreed machine contract and makes parsing less dependable.

C:

A missing required field should be handled by an explicit null/error policy, not by silently changing the consumer schema.

Question 136

An OCR-extracted shipping address contains a street number that could be “18” or “78.” Three constrained retries produce both readings with equal evidence. What should the pipeline do?

  1. Average the digits to obtain a compromise number.
  2. Suppress the ambiguity status and ship automatically.
  3. Mark the street number ambiguous, retain the source image reference, and request authorized verification instead of guessing.
  4. Choose the most recent retry output as definitively correct.

Explanation

Correct Answer

C:

Repeated model calls cannot establish what the document does not clearly show. A bounded retry policy should escalate unresolved consequential ambiguity.

Incorrect Answers

A:

Arithmetic interpolation of address digits invents a non-existent location. The source must resolve the value.

B:

Hiding uncertainty converts an extraction limitation into an operational error. Verification is needed.

D:

Recency does not improve the underlying evidence. An unverified street number could misroute shipments.

Question 137

An overnight document classification batch completes 9,800 items while 200 fail transiently. Re-running all 10,000 doubles downstream notifications. Which recovery is preferable?

  1. Blindly rerun all items and publish every result as a new event.
  2. Mark all 10,000 successful because the majority finished.
  3. Discard all successful results to keep the output file uniform.
  4. Use stable custom IDs to collect completed results, retry only failed items with idempotent downstream handling, and reconcile final counts.

Explanation

Correct Answer

D:

Per-item accounting avoids duplicate side effects. Idempotency ensures a retried result does not produce duplicate notifications.

Incorrect Answers

A:

Completed work is unnecessarily repeated and consumers may receive duplicate changes.

B:

A bulk success percentage is not item-level completion. The 200 unresolved records must remain visible.

C:

Valid completed work can be preserved and reconciled. The failure subset should not erase it.

Question 138

Three independent reviewers analyze an infrastructure change. Two approve, but the third identifies a plausible data-loss path with reproducible steps. What should the final synthesis do?

  1. Have the majority reviewers rewrite the objection until it sounds less severe.
  2. Examine the reproducible dissent, mark the risk open until tested or mitigated, and avoid majority-vote approval alone.
  3. Approve automatically because two of three reviewers agreed.
  4. Delete the minority report from the QA evidence package.

Explanation

Correct Answer

B:

Independent review adds value through uncovering blind spots. A material supported objection deserves adjudication even if only one reviewer found it.

Incorrect Answers

A:

Editing wording does not test the technical defect. Reproduce and assess the stated evidence.

C:

Majority voting is not a safety proof. One confirmed failure mode can invalidate a change.

D:

Suppressing dissent hides the exact risk review was intended to detect. Traceability must be preserved.

Question 139

A literature agent repeatedly searches for a document that does not exist and keeps reformulating the same query. Token consumption grows but no new sources appear. How should the loop be controlled?

  1. Return every unrelated search hit as though it supports the requested claim.
  2. Track search novelty and attempt budget, stop when progress stalls, and report missing evidence with options for escalation.
  3. Increase retry attempts without limit because more steps always improve coverage.
  4. Fabricate a citation to satisfy the request after several empty searches.

Explanation

Correct Answer

B:

Bounded loops prevent uncontrolled cost. Honest no-result outcomes are better than continuing identical low-yield work indefinitely.

Incorrect Answers

A:

Irrelevant results do not justify a conclusion. The loop should check both relevance and novelty.

C:

Repetition without evidence gain can waste resources and does not guarantee discovery.

D:

Invented provenance is worse than a transparent evidence gap. The assistant should disclose unsuccessful retrieval.

Question 140

A coordinator asks one worker for current list price and another for contract-specific negotiated price. They report different amounts. What is the sound synthesis?

  1. Average the two amounts and describe it as the agreed contract price.
  2. Discard both agents’ source references to make the response shorter.
  3. Retain both provenance contexts, identify the applicable contract and effective date, and report the relevant price with the difference explained.
  4. Choose the lower amount because it appears more helpful.

Explanation

Correct Answer

C:

Different scopes can legitimately produce different numbers. Coordinated synthesis must align source, customer and time rather than pick an arbitrary winner.

Incorrect Answers

A:

Averages are not contractual commitments. They invent an unverified price.

B:

Without provenance the client cannot verify which price governs. Retaining evidence is essential.

D:

A favorable value may not apply to the customer. Eligibility and effective terms decide which price is valid.

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