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Exam Code: CCA-F

Exam Name: Claude Certified Architect - Foundations

Certification Provider: Anthropic

Questions & Answers

Anthropic CCA-F Questions & Answers

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Questions & Answers

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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 28

Question 270

A report summarizer sees a six-month increase in Claude API usage and a simultaneous reduction in support tickets. It concludes the usage increase caused the ticket decline. What evidence discipline is needed?

  1. Report the observed correlation and avoid causal attribution until alternative factors and a suitable causal design are evaluated.
  2. Swap the variables in the sentence and claim fewer tickets caused API usage.
  3. State causality because both charts have matching time axes.
  4. Remove the numeric time period so the conclusion sounds less tentative.

Explanation

Correct Answer

A:

Two trends may coincide for reasons other than a direct effect of the API rollout.

Incorrect Answers

B:

Reversing an unsupported causal direction does not fix the inference.

C:

Shared timing does not rule out staffing, seasonality or process changes.

D:

Hiding the period weakens provenance and cannot establish cause.

Question 271

A payments-risk assistant is asked to approve a large transfer from a newly changed destination account. It has access to verified transfer history and escalation procedures. What should its evaluation criteria emphasize?

  1. Use the most reassuring wording in a model response as the approval signal.
  2. Approve every transfer unless the user explicitly writes the word 'fraud'.
  3. Escalate every transfer, including routine low-risk recurring payments, with no criteria.
  4. Use defined anomaly and authorization indicators, such as beneficiary change, unusual amount and account history, and escalate when policy thresholds are met.

Explanation

Correct Answer

D:

Risk screening should use case-specific evidence and established escalation boundaries.

Incorrect Answers

A:

Persuasive prose cannot replace verified financial controls.

B:

A user's phrasing is not an adequate transaction-risk control.

C:

Indiscriminate escalation wastes capacity and hides genuinely risky cases.

Question 272

A CI reviewer flags every occurrence of a legacy database wrapper as unsafe. The engineering team has an approved wrapper version with a documented mitigation. How should the reviewer distinguish actual unsafe use?

  1. Provide labeled known-safe wrapper examples, affected versions and the specific insecure execution conditions.
  2. Suppress all review on database wrappers forever.
  3. Replace the term 'unsafe' with 'critical' everywhere to improve recall.
  4. Tell the model that any file older than two years is automatically insecure.

Explanation

Correct Answer

A:

Contextual examples prevent a broad pattern match from becoming a false vulnerability claim.

Incorrect Answers

B:

That would conceal genuinely vulnerable versions or unmitigated call paths.

C:

More forceful labels do not make the classification accurate.

D:

File age does not establish whether a particular mitigation applies.

Question 273

An incident detection prompt identifies almost every real defect but raises ten harmless findings for each true issue, overwhelming a small review team. What should acceptance criteria balance?

  1. Discard all positive findings because precision is low.
  2. Judge performance by number of generated review comments rather than confirmed defects.
  3. Optimize recall to 100 percent without measuring false positives.
  4. Evaluate precision, recall and the cost of false positives using representative labeled cases and operational review capacity.

Explanation

Correct Answer

D:

High recall alone may be impractical when humans cannot process a flood of false alarms.

Incorrect Answers

A:

That sacrifices real detections instead of calibrating the decision threshold.

B:

Output quantity does not measure diagnostic value.

C:

This ignores review burden and may reduce useful coverage under limited capacity.

Question 274

A reviewer labels an innocuous debug message 'critical' and a reachable credential leak 'minor'. Which severity rubric would better classify these findings?

  1. Assign critical severity to the longest changed file.
  2. Give every finding medium severity so no reviewer must distinguish impact.
  3. Let the model's confidence number determine severity without context.
  4. Tie severity to exploitability, exposure, affected assets and realistic business impact, with supporting evidence.

Explanation

Correct Answer

D:

Risk reflects consequences and reachable failure conditions rather than alarming terminology.

Incorrect Answers

A:

File size does not measure exploitability or impact.

B:

Uniform labeling discards the prioritization the business needs.

C:

Confidence in a claim and seriousness of a confirmed defect are different dimensions.

Question 275

A batch extractor performs well on invoice tables but fails on paragraph-style receipts and OCR text with broken line spacing. Select TWO few-shot improvements for the mixed invoice population.

  1. Select only clean table invoices as few-shot examples because the parser already handles them consistently.
  2. Use a small diverse set covering tabular invoices, prose receipts and noisy OCR with correctly labeled field mappings.
  3. Add twenty more examples all copied from one neat table template.
  4. Use examples containing only outputs and no corresponding inputs.
  5. Include cases with genuinely missing fields and show null or unresolved output instead of fabricated amounts.

Explanation

Correct Answers

B:

Representative input variation shows how the target mapping behaves across the actual document population.

E:

Layout diversity addresses parsing robustness. Missing-data examples independently teach the extractor to represent uncertainty when OCR cannot support a field value.

Incorrect Answers

A:

Easy examples reinforce the known successful pattern but leave paragraph and OCR layouts uncovered; the examples should represent actual failure cases.

C:

Repetition of the already successful layout does not address new failure modes.

D:

Without input-output alignment the model cannot learn the intended extraction relation.

Question 276

A code reviewer treats approved exponential backoff after HTTP 429 as a denial-of-service bug but also overlooks an unbounded retry loop on 403. Which few-shot additions best clarify the policy?

  1. Show only examples where every retry is considered unsafe.
  2. Remove error codes from examples so the model generalizes by function name.
  3. Show only examples where every retry is harmless.
  4. Contrast labeled acceptable rate-limit retries with prohibited unbounded or nonretryable-error loops, including why each label applies.

Explanation

Correct Answer

D:

Near-miss positive and negative examples teach the model the boundary rather than the keyword 'retry'.

Incorrect Answers

A:

That preserves the original overflagging of valid resilience code.

B:

Response semantics are central to knowing whether a retry is justified.

C:

That would conceal the 403 loop failure and resource exhaustion.

Question 277

A review service must emit an object with file_path, start_line, severity, and explanation, but free-form responses use incompatible headings. What few-shot example is most helpful?

  1. Provide a partial object with start_line omitted to keep the example short.
  2. Provide a complete valid input and matching structured review object, including field names, types and a realistic line-anchored finding.
  3. Give an attractive prose paragraph with no machine-readable fields.
  4. Show a valid JSON object but make severity a different type in each example.

Explanation

Correct Answer

B:

A precise demonstrated contract shows the intended output without relying on prose headings.

Incorrect Answers

A:

Omitting required fields models an invalid output.

C:

Narrative style does not teach the downstream schema.

D:

Inconsistent types encourage parser failures.

Question 278

A claims extractor reads a credit note showing a cancelled $480 invoice and an adjustment of -$80. Its examples all contain ordinary positive invoices. What new examples will most improve sign handling?

  1. Include labeled cancellation, credit, refund and negative-adjustment records with correct signs and document types.
  2. Repeat positive invoice totals with larger values to increase numerical variety.
  3. Ask the model to return the absolute value of every amount to simplify downstream code.
  4. Remove the credit-note label because it complicates classification.

Explanation

Correct Answer

A:

Negative examples reveal that a credit is not a new positive charge.

Incorrect Answers

B:

Larger positives do not establish the meaning of cancellations or credits.

C:

Absolute values erase financially essential directionality.

D:

The document type is evidence needed to interpret sign and operation.

Question 279

An assistant routes customer questions to a product search tool or a compliance verification tool. It frequently searches when the user asks whether a specific policy clause permits an action. What examples should be added?

  1. Paired near-miss requests showing discovery queries versus evidence-verification queries, each with the correct tool and rationale.
  2. Only examples with the word 'search' in both request and answer.
  3. Examples where both tools run on every request, even trivial lookups.
  4. A single vague example asking the model to 'do the right thing'.

Explanation

Correct Answer

A:

Contrasting intentions clarifies when retrieval alone is insufficient and verification is necessary.

Incorrect Answers

B:

Keyword repetition can reinforce the existing routing error.

C:

Indiscriminate use increases cost and obscures the responsibility boundary.

D:

It provides no discriminating evidence for tool selection.

Question 280

A migration assistant describes the desired updated API shape but keeps generating broad advice instead of a useful code patch. Which few-shot demonstration would be most effective?

  1. Show a realistic short before-code snippet, the exact compatible after-code and a note explaining the changed call contract.
  2. Show an unrelated complete application and ask the model to infer the local diff.
  3. Supply only a final screenshot with no source or changed code.
  4. Provide five marketing paragraphs about why migrations matter.

Explanation

Correct Answer

A:

A concrete transformation demonstrates expected structure and migration semantics.

Incorrect Answers

B:

Large irrelevant examples dilute the migration pattern and contract.

C:

An image alone cannot teach the exact edit required in source files.

D:

Background rhetoric does not show the implementation behavior.

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