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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 41

Question 400

An agent proposes a log-search command with a shell chain that would also delete temporary evidence. Which hook treatment is most appropriate?

  1. Ask the assistant to promise it will not delete files, then execute unchanged.
  2. Reject the command and return an actionable validation error before running any shell operation.
  3. Execute the combined command and redact the deletion from the final summary.
  4. Rewrite the search logs to make the command appear safe.

Explanation

Correct Answer

B:

A pre-execution boundary can prevent the destructive suffix while preserving the original evidence.

Incorrect Answers

A:

A promise does not remove the harmful shell tokens.

C:

Output redaction cannot recover destroyed files.

D:

Changing evidence is not a valid mitigation.

Question 401

A debugging task identifies a likely bug at lines 120–140 in a known source file. What built-in action is preferable before editing?

  1. Overwrite the file with only the suspicious function.
  2. Use a path glob to change the function automatically.
  3. Use Read with an appropriate file range, then propose the smallest evidence-based change.
  4. Run an arbitrary downloaded shell script to print the file.

Explanation

Correct Answer

C:

Targeted reading gives local context without executing shell commands or modifying the file.

Incorrect Answers

A:

A read-only investigation should not remove unrelated code.

B:

Glob finds paths but does not inspect or edit a known source range.

D:

Untrusted execution is unnecessary for viewing known source lines.

Question 402

A shared code-review skill often emits a clean verdict even when its required diff is missing. What definition change is most valuable?

  1. Remove all input declarations to keep the skill generic.
  2. Allow the skill to invent a plausible diff when none is provided.
  3. Specify the required source diff, explicit missing-input outcome and evidence-linked findings in the skill contract.
  4. Require the skill to report success in every situation.

Explanation

Correct Answer

C:

An input contract prevents missing evidence from masquerading as a clean review.

Incorrect Answers

A:

General wording makes it harder to detect absent prerequisites.

B:

Fabricated code is not a reviewable source artifact.

D:

Mandatory success hides genuine missing data and defects.

Question 403

A developer edits `src/payment/api.py` and `frontend/payments.ts`. The assistant loads a Python typing rule for both files, generating invalid TypeScript. How should the rule be applied?

  1. Edit only filenames until both languages appear consistent.
  2. Associate the Python instruction with matching `*.py` paths, leaving TypeScript to relevant language rules.
  3. Apply Python type hints as comments to every TypeScript function.
  4. Disable all source-format checks for the payment project.

Explanation

Correct Answer

B:

File-type and location conditions prevent incompatible conventions from leaking across languages.

Incorrect Answers

A:

Names cannot substitute for source-language correctness.

C:

Cross-language syntax is not a useful coding standard.

D:

The issue is wrong scope, not that code style is unnecessary.

Question 404

A user wants a live data migration and simultaneously says “do not modify production.” What is the appropriate first response from a coding agent?

  1. Perform production migration because it is the larger task.
  2. Delete production records as a dry run.
  3. Report migration done without running it.
  4. Clarify or propose a nonproduction plan, withhold production changes until the scope conflict is resolved.

Explanation

Correct Answer

D:

A destructive deployment cannot be assumed authorized when an explicit constraint forbids it.

Incorrect Answers

A:

The explicit no-production boundary remains active.

B:

A destructive effect is not a harmless simulation.

C:

False success conceals the unresolved instruction conflict.

Question 405

A coding agent increases request timeout from 10 to 120 seconds to fix one intermittent failure. Tests now hang under network loss. Which follow-up is justified?

  1. Add a reproducible unavailable-network case and refine timeout, cancellation and retry limits against actual test results.
  2. Increase timeout to infinity to ensure every request eventually succeeds.
  3. Remove network-failure tests because they are inconvenient.
  4. Claim the timeout change passed because a healthy-network test succeeded.

Explanation

Correct Answer

A:

Targeted feedback identifies whether longer waiting masks the fault and harms recovery.

Incorrect Answers

B:

Unbounded waits can deadlock workflows and violate availability.

C:

Ignoring negative conditions loses a necessary reliability requirement.

D:

Success under one condition does not cover the recorded regression.

Question 406

A classifier labels a risk exception approved whenever a document contains “approval requested.” How should its criteria be fixed?

  1. Require affirmative approval evidence from the authorized owner and distinguish requested, denied and approved states.
  2. Treat any mention of approval as final authorization.
  3. Ignore who approved the exception and rely on document length.
  4. Convert unresolved requests to approved to simplify reporting.

Explanation

Correct Answer

A:

A request and a granted authorization are different workflow facts.

Incorrect Answers

B:

Keyword presence cannot establish a decision.

C:

Authority is essential; length is irrelevant.

D:

Default success would bypass governance.

Question 407

A structured-output prompt correctly produces successful invoice JSON but fabricates success objects when source files are unreadable. What few-shot pattern helps?

  1. Provide representative valid extraction and unreadable-source examples with their distinct schema-compliant outcomes.
  2. Show only perfect invoices with all fields present.
  3. Describe errors in free-form prose while requiring all outputs be success JSON.
  4. Fill unreadable fields with plausible values in every example.

Explanation

Correct Answer

A:

Contrasting results teach the model when to return an error rather than invented content.

Incorrect Answers

B:

Positive examples do not teach missing-input behavior.

C:

Contradictory instructions encourage malformed handling.

D:

Fabricated examples normalize unreliable extraction.

Question 408

An invoice extractor must emit `line_items` as an array of objects, each containing a string item code, positive integer quantity and numeric unit price. The model sometimes returns an array of free-form strings. Which structured-output contract directly rejects that error?

  1. Validate only that `line_items` exists, without inspecting its members.
  2. Allow arbitrary strings and let the billing system guess quantity and prices.
  3. Declare an array item object schema with required typed fields and enforce item-level validation.
  4. Convert every invalid line item to a blank record and report the extraction complete.

Explanation

Correct Answer

C:

A supported nested array-of-objects schema enforces item code, integer quantity and numeric price types. The app must additionally check positive quantity and business-price validity before downstream accounting.

Incorrect Answers

A:

A property-presence check does not ensure that nested values meet the consumer’s required representation. A list of strings still violates the contract.

B:

Free-form parsing can interpret the same text differently and may invent financial amounts. The tool should return reliable structured fields.

D:

Blank placeholders would hide missing source evidence and could cause incorrect invoices. Failed members must be repaired or explicitly marked unresolved.

Question 409

An assistant extracts an invoice as well-formed JSON. Its line-item sum is $1000 but the extracted total is $10,000, and the source prints $1,000. What is the strongest QA step?

  1. Erase the source reference so reviewers cannot see the mismatch.
  2. Verify the extracted total against the source span and arithmetic, then correct the inaccurate field and record the fix.
  3. Accept the record because the schema validates.
  4. Change every line item to increase the sum to $10,000.

Explanation

Correct Answer

B:

Syntactic validity does not imply semantic accuracy. Source and calculation support the correction.

Incorrect Answers

A:

The original invoice image and extracted amount must remain available for reviewers to establish why the total was corrected.

C:

Schema checks cannot establish arithmetic or faithful extraction.

D:

Inventing line amounts to match a mistaken total corrupts the record.

Question 410

An asynchronous model batch returns 80 successes, 15 validation failures and 5 transient errors. How should the orchestrator reconcile the output?

  1. Drop failed records without recording their IDs.
  2. Keep the 80 verified records, repair the 15 invalid inputs, and retry the 5 transient failures with stable identifiers.
  3. Retry all 100 unconditionally under new IDs.
  4. Mark all 100 complete because a single batch finished.

Explanation

Correct Answer

B:

Failure classes require different handling; reprocessing successful items adds cost and risk.

Incorrect Answers

A:

Missing identities prevent targeted recovery and honest reporting.

C:

This duplicates successful work and can misattach outcomes.

D:

Batch completion is not per-item success.

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