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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 8

Question 70

A coding assistant proposes deleting a protected production configuration file using its shell tool. A repository policy prohibits this path. Where should the restriction be enforced?

  1. Reject the dangerous call with a pre-execution path allowlist or denylist enforced by the tool runner.
  2. Run the deletion then restore from backup if the assistant apologizes.
  3. Suppress the dangerous filename in the assistant's final text but let the pending delete call execute.
  4. Give the assistant a stronger instruction while preserving unrestricted delete permission.

Explanation

Correct Answer

A:

The host can block a destructive operation before filesystem changes occur.

Incorrect Answers

B:

Restoration is uncertain and does not justify knowingly executing an unauthorized delete.

C:

Output redaction cannot prevent a harmful operation. The pre-execution hook must validate target path and deny disallowed mutations.

D:

A text reminder is not a security boundary.

Question 71

A purchasing bot is told not to order a SKU twice, but retried requests have generated duplicate purchases. Select TWO safeguards for safe purchase retries and duplicate prevention.

  1. Use a server-enforced idempotency key or unique purchase ID check for the transaction.
  2. Add 'please avoid duplicates' to each prompt template.
  3. Sort purchase records before displaying them to users.
  4. Deduplicate only the emailed confirmation notices.
  5. Keep a durable receipt lookup keyed to the original purchase request so an uncertain timeout is reconciled before retrying.

Explanation

Correct Answers

A:

Atomic duplicate prevention protects against retries and simultaneous requests.

E:

Idempotency enforcement prevents repeated commits, while a receipt/status ledger distinguishes an already accepted purchase from a failed request and supports an accurate customer response.

Incorrect Answers

B:

Prompt advice cannot guarantee uniqueness under races or repeated calls.

C:

Presentation order does not prevent duplicate orders from being created.

D:

Suppressing notifications does not reverse duplicate charges.

Question 72

A logistics API reports an event at 2026-10-30T01:00+05:00 while another sends 2026-10-29T20:00Z. The agent treats them as different events. What should normalization preserve?

  1. Shift both dates to the server's local midnight without recording the original.
  2. Strip timezone information and compare the wall-clock hour.
  3. Convert both to a comparable UTC instant and retain original timestamps plus offset for audit.
  4. Assume ISO strings ending in Z are always a day later than regional strings.

Explanation

Correct Answer

C:

These representations describe the same moment; source offsets remain useful evidence.

Incorrect Answers

A:

Artificial rounding destroys sequencing evidence.

B:

Removing offsets turns equivalent instants into misleading times.

D:

Calendar date differences do not establish chronological difference without offsets.

Question 73

A PostToolUse hook converts a failed inventory lookup into an empty list and marks it success. The assistant says the warehouse has no stock. What correction is essential?

  1. Increase model temperature so the agent considers alternate interpretations.
  2. Report successful empty data to the model while retaining the error only in an internal troubleshooting log.
  3. Keep the false success but add a caveat 'possibly empty'.
  4. Retain explicit failure status separately from successful empty inventory and normalize only data that was actually returned.

Explanation

Correct Answer

D:

An empty result is evidence only when the lookup itself completed successfully.

Incorrect Answers

A:

Randomness does not restore the lost error signal.

B:

The model would see a completed no-match rather than the actual failed lookup and might incorrectly conclude the resource was absent.

C:

A caveat cannot repair an underlying status misrepresentation.

Question 74

An authorization hook rejects a transfer because it requires finance approval. The model receives only 'blocked' and retries without context. What would improve the response?

  1. Return a typed policy denial naming the missing approval and a permitted escalation pathway, without revealing sensitive internals.
  2. Automatically grant the restricted tool a higher role for this request.
  3. Return a generic successful receipt so the agent can finish quickly.
  4. Omit the hook response entirely and let the model guess what happened.

Explanation

Correct Answer

A:

Actionable status lets the model seek authorization instead of retrying an impossible request.

Incorrect Answers

B:

Privilege escalation contradicts the rejection's authorization purpose.

C:

A false receipt would make the customer believe money moved.

D:

Unreported denial removes the information needed to recover safely.

Question 75

One provider reports fulfillment status as shipped and another as in_transit. An enum parser rejects the first label. What is the maintainable approach?

  1. Ask the model to memorize all labels without updating the parser.
  2. Use an explicit versioned alias map to normalize documented provider states into a stable canonical enum.
  3. Discard all status fields so the parser never fails.
  4. Treat every unfamiliar status label as delivered by default.

Explanation

Correct Answer

B:

A controlled mapping preserves meaning and accommodates known vendor variations.

Incorrect Answers

A:

A deterministic interface still rejects mismatched values.

C:

Removing essential information prevents reliable order tracking.

D:

Unknown states cannot be assumed complete.

Question 76

A structured order extractor leaves discount_amount null when the invoice does not specify a discount. A post-tool hook replaces null with 0. Which policy is safest?

  1. Preserve missingness as null unless explicit business rules justify a derived zero with provenance.
  2. Exclude missing discount fields from the normalized schema even though downstream consumers distinguish null and absent.
  3. Use an average discount computed from unrelated past invoices.
  4. Force every nullable amount to zero before the model can review it.

Explanation

Correct Answer

A:

Absent evidence is not the same as a documented zero discount.

Incorrect Answers

B:

Removing a field changes the contract and discards the fact that the discount is unknown. A nullable value preserves the evidence boundary.

C:

Historical averages cannot establish this invoice's discount.

D:

This manufactures financial facts that may be unknown.

Question 77

A pre-tool policy hook reduces a requested refund from $420 to $200 before execution. Auditors need to reconstruct what happened. What should be recorded?

  1. Record only model-generated text saying the refund was fine.
  2. Log original request amount, applied policy, effective amount, approval identity and observed backend outcome.
  3. Treat any modification as though the original $420 was fully paid.
  4. Keep only the normalized amount and discard the original requested amount to simplify the audit log.

Explanation

Correct Answer

B:

Both proposed and executed parameters are necessary to explain the transformation.

Incorrect Answers

A:

A generated assertion is not a transaction audit record.

C:

Misstating the actual transferred value corrupts the ledger.

D:

Without both values an auditor cannot tell whether a hook modified the request properly or whether a customer-approved amount was changed.

Question 78

A tool execution is blocked, but the policy wrapper returns an empty error string. Claude keeps trying different amounts blindly. How should the wrapper respond?

  1. Return a clear nonretryable policy category, relevant boundary and authorized next step while keeping sensitive rules private.
  2. Silently convert all denials to successful empty responses.
  3. Disable the hook after two rejections so progress continues.
  4. Report every rejection as a temporary amount-format error and suggest trying another refund amount.

Explanation

Correct Answer

A:

Useful failure information supports a compliant branch rather than blind probing.

Incorrect Answers

B:

That hides rejected operations and may fabricate completion.

C:

A safety policy must not become optional after failed attempts.

D:

This would invite probing around a real policy denial rather than communicating the authorization boundary. The model should receive a nonretryable reason and permitted recovery path.

Question 79

A team has a documented migration sequence: update interfaces, migrate storage, run compatibility tests, then deploy. Requirements are fixed. What orchestration should it favor?

  1. Skip integration tests because every file-level edit compiled.
  2. Use an explicit sequential dependency plan with verification gates between migration steps.
  3. Spawn many unconstrained agents to modify all components simultaneously.
  4. Use adaptive model-generated step ordering even though storage migration and compatibility checks have fixed dependencies.

Explanation

Correct Answer

B:

Predictable operations are easier to audit and roll back when ordered by prerequisites.

Incorrect Answers

A:

Compilation alone cannot establish system compatibility.

C:

Uncoordinated writes can violate interface and data dependencies.

D:

Adaptive ordering is valuable for unknown tasks, but here the documented sequence encodes prerequisites; moving deployment before validation can break the migration.

Question 80

A legacy repository has unknown test gaps and scattered modules. A team asks Claude to improve meaningful coverage, but cannot enumerate cases yet. Which first approach is appropriate?

  1. Regenerate all existing tests from the new prompt before checking whether they already cover the required behaviors.
  2. Use a fixed checklist unrelated to the codebase's architecture.
  3. Map relevant code and existing tests, then adaptively prioritize uncovered behaviors based on observed gaps.
  4. Generate 400 tests from filename patterns without reading source.

Explanation

Correct Answer

C:

Discovery is needed before determining which test cases provide the most value.

Incorrect Answers

A:

Replacing validated tests sacrifices coverage and reproducibility. An inventory of existing tests should guide only necessary additions.

B:

Unknown dependencies make an arbitrary plan incomplete.

D:

File names do not reveal real execution paths or existing coverage.

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