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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 38

Question 370

A repository has thousands of files. An analyst needs YAML manifests under `deploy/` but does not know their names. What is a sensible built-in tool sequence?

  1. Run Write on the entire deploy directory to list its contents.
  2. Use Edit to replace an unknown manifest before locating it.
  3. Open all repository files and ask the model to remember the YAML ones.
  4. Use Glob for matching deployment YAML paths, then Read or Grep only the relevant candidates.

Explanation

Correct Answer

D:

File-path discovery narrows work before content inspection and reduces irrelevant context.

Incorrect Answers

A:

Write changes files and is not a discovery operation.

B:

A mutation without a grounded path risks unintended changes.

C:

An unbounded dump is costly and makes finding the relevant manifests harder.

Question 371

A diagnostics skill includes guidance on recovering a failing service. An example rollback command is intended for an operator, but the assistant executes it whenever the skill loads. What design should change?

  1. Treat every invocation of diagnostics as an emergency production authorization.
  2. Keep diagnostics read-only by default and require an explicit separately authorized rollback invocation.
  3. Hide the rollback command from reviewers but keep autoexecution.
  4. Disable all diagnostics so the rollback cannot run.

Explanation

Correct Answer

B:

A reference skill should not silently execute a consequential example. Capabilities and permissions need their own gate.

Incorrect Answers

A:

Invocation scope must reflect the user’s actual request, not an implied global approval.

C:

Concealing side effects increases risk instead of correcting the boundary.

D:

Read-only analysis remains useful; only the unauthorized action needs separation.

Question 372

A monorepo has committed generated API clients and hand-written service logic. A rule encouraging in-place edits applies everywhere, and agents modify generated clients directly. How should guidance be scoped?

  1. Continue manual patches in generated clients and never update their schemas.
  2. Require regeneration of all source files whenever one client changes.
  3. Delete the rule file so no code changes are governed.
  4. Make generated paths use regeneration commands and hand-written paths use scoped edits, with clear location rules.

Explanation

Correct Answer

D:

Path-specific policy reflects artifact ownership. Direct generated-file edits may be overwritten on the next build.

Incorrect Answers

A:

Generated outputs need to be derived from the proper source to persist.

B:

Hand-written source cannot safely be treated as generator output.

C:

Removing clear conventions makes future edits less predictable.

Question 373

A team requests consolidation of two customer identity tables. It requires record matching, a destructive backfill and an externally coordinated downtime window. Which operating mode fits?

  1. Start rewriting live records immediately because all tables are in one database.
  2. Ignore dependent APIs and notify consumers only after breaking changes occur.
  3. Mark data migration complete after creating an empty target table.
  4. Plan matching rules, staging validation, backups, rollback feasibility and owner approvals before changing the live schema.

Explanation

Correct Answer

D:

High-impact data transformations require a verified sequence and explicit handling of irreversible steps.

Incorrect Answers

A:

Location does not eliminate identity-matching and recovery risks.

B:

External callers need compatibility planning.

C:

A schema object does not prove the data was migrated or validated.

Question 374

An agent changes a parallel file scanner. Most tests pass, but the output order varies between runs, violating a stable-report contract. What refinement is justified?

  1. Disable parallelism without testing whether the contract is still violated.
  2. Remove ordering assertions from the tests.
  3. Add an explicit deterministic output ordering step, then rerun repeated concurrency and contract tests.
  4. Declare success because the number of findings is correct.

Explanation

Correct Answer

C:

Ordering must be enforced rather than assumed from task completion timing. Repeated tests expose residual race behavior.

Incorrect Answers

A:

Serial work may help but should be evaluated against the actual requirement.

B:

Suppressing a documented contract failure does not fix the output.

D:

The consumer also requires predictable order; cardinality alone is insufficient.

Question 375

A fraud triage prompt labels every foreign IP login as account takeover, even when the employee uses company VPN exits abroad. What criteria should replace geography alone?

  1. Classify all travel-related logins as harmless.
  2. Treat any VPN presence as proof that the account owner is legitimate.
  3. Ignore authentication history because the current IP is more recent.
  4. Require corroborating device, session and authentication anomalies; distinguish possible suspicion from confirmed misuse.

Explanation

Correct Answer

D:

Geolocation is an indicator, not proof. Evidence thresholds reduce false accusations while preserving investigation.

Incorrect Answers

A:

A plausible benign explanation is not universal proof of safety.

B:

Adversaries can also exploit tokens or access through networks with misleading geography.

C:

Context is needed to assess risk correctly.

Question 376

A question-answering prompt tends to fabricate a contract date when the source page is cropped. What should the few-shot set demonstrate?

  1. An instruction to omit all source locations.
  2. A clearly legible date extracted with citation and a cropped-date example returning explicit unreadable status.
  3. Only documents with obvious complete dates.
  4. Examples that fill every missing date using today’s date.

Explanation

Correct Answer

B:

Contrasting valid evidence with uncertainty teaches when to abstain rather than guess.

Incorrect Answers

A:

Removing evidence makes extraction harder to verify.

C:

Easy examples do not cover the missing-evidence boundary.

D:

A fallback can fabricate contract terms and mislead decisions.

Question 377

A contact tool returns either a phone contact requiring an E.164 number or an email contact requiring an email address. Consumers often receive both fields partially populated. How should the JSON contract change?

  1. Require both a phone and an email even when only one method exists.
  2. Use a type discriminator with phone and email variants, each with its own required fields and mutually exclusive properties.
  3. Make every field optional with no type marker.
  4. Return a single prose string and ask callers to parse it.

Explanation

Correct Answer

B:

Typed variants prevent contradictory structures while preserving method-specific validation.

Incorrect Answers

A:

That forces fabricated or unnecessary contact values.

C:

An unconstrained object permits ambiguous incomplete records.

D:

Informal parsing makes validation and routing less reliable.

Question 378

A document extraction times out before returning any candidate JSON. A pipeline labels the document malformed and adds a permanent exception. What should it do instead?

  1. Classify this as a transient execution failure, retry within policy using the same source ID, and retain an unresolved state if retries fail.
  2. Reject the user’s document as invalid permanently.
  3. Populate all fields with guessed default values to avoid retrial.
  4. Change the document identity on every retry.

Explanation

Correct Answer

A:

No candidate was produced to validate. The source cannot be blamed without evidence.

Incorrect Answers

B:

A model timeout does not prove any input defect.

C:

Placeholder success conceals absent extraction evidence.

D:

Unstable IDs can attach results to the wrong source.

Question 379

A batch-processing service accepts a limited number of input tokens. Short emails and huge contracts are mixed indiscriminately, causing oversized batch failures. What is a better scheduling policy?

  1. Truncate every contract silently to match the shortest email.
  2. Use one identical ID for the whole batch and infer results from order.
  3. Estimate item sizes, group compatible independent work within limits, and retain per-request IDs for reconciliation.
  4. Batch all inputs into one request regardless of size.

Explanation

Correct Answer

C:

Size-aware batching avoids limit failures without losing item identity.

Incorrect Answers

A:

Undisclosed truncation can remove decisive provisions and invalidate extraction.

B:

Unstable ordering and merged identity can misattribute data.

D:

One oversized payload can fail the entire submission.

Question 380

A code-change reviewer says a role guard is missing; a second says permissions are inherited. Both looked only at the changed line. What must the deciding reviewer inspect?

  1. Delete the warning to keep the release dashboard green.
  2. Trace the effective authorization path and relevant inherited configuration, then document whether the guard exists at runtime.
  3. Pick whichever reviewer responded first.
  4. Accept a consensus reached by asking both models to repeat their prior answer.

Explanation

Correct Answer

B:

A disagreement needs independent contextual verification of how permissions are enforced.

Incorrect Answers

A:

Removing an unresolved supported concern hides material risk.

C:

Latency does not establish truth.

D:

Repetition can preserve shared blind spots without new evidence.

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