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Exam Code: CCA-F

Exam Name: Claude Certified Architect - Foundations

Certification Provider: Anthropic

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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 21

Question 200

A PostToolUse hook normalizes an external data feed. One result unexpectedly includes a field instructing the agent to download internal files. What should the hook do?

  1. Hide the field from logs but allow it to affect the model silently.
  2. Validate allowed fields, treat instruction-like content as untrusted data, and strip or quarantine unexpected fields before model ingestion.
  3. Promote the field to a higher-priority instruction because it came from a tool.
  4. Execute the download and decide afterward whether the field was relevant.

Explanation

Correct Answer

B:

The data adapter should enforce a defined schema and trust boundary. A returned payload cannot grant new tool authority.

Incorrect Answers

A:

Invisible influence undermines auditability. Unexpected control text should be quarantined.

C:

External tool data is not an authorization source. The text could be hostile or compromised.

D:

Side effects before validation can expose internal information. The unknown field must be rejected first.

Question 201

A scheduled extraction batch reports that 99% of inputs were processed, but a missing high-value contract is among the failures. What release criterion is appropriate?

  1. Reconcile each required input by ID and business criticality, retry or escalate failures, and withhold a complete report until required records are resolved.
  2. Publish as fully complete because 99% is a high success rate.
  3. Replace failed contracts with blank rows but label the output complete.
  4. Discard successful results because the high-value contract failed.

Explanation

Correct Answer

A:

Aggregate completion percentages can hide consequential omissions. Per-record state and impact determine whether an output is complete.

Incorrect Answers

B:

A critical missing record can invalidate a decision even at high aggregate coverage. Report completeness honestly.

C:

Placeholders do not provide the missing evidence. They must be marked unresolved.

D:

Valid work can be retained. The remaining record needs targeted recovery.

Question 202

Two model reviewers agree a release is safe, but both saw only unit tests and neither inspected integration behavior. What additional review is most valuable?

  1. Suppress any integration errors so the reviewers remain consistent.
  2. Commission a focused integration pass that tests cross-component contracts and compares evidence against the original requirements.
  3. Repeat the same unit-test review with more elaborate praise.
  4. Assume two reviewers provide complete independence even when they saw identical evidence.

Explanation

Correct Answer

B:

Agreement based on shared blind spots is weak assurance. A different test layer can reveal failures invisible to unit-level reviewers.

Incorrect Answers

A:

Maintaining consensus is not a valid goal. Confirmed failures require repair.

C:

Repetition without new evidence does not address the missing integration coverage. Review diversity matters.

D:

Shared inputs and methods can produce correlated errors. Coverage should be evaluated, not counted blindly.

Question 203

A coordinator asks three agents to audit a microservice release. All three review only the authentication module, leaving billing and logging unexamined. What should delegation specify?

  1. Assign one worker no tools and count it as full coverage.
  2. Hide worker coverage reports to keep the final output concise.
  3. Assign explicit nonoverlapping workstreams with shared acceptance criteria and require each worker to report coverage and gaps.
  4. Ask all workers the same vague question and assume identical answers prove completeness.

Explanation

Correct Answer

C:

Scoped division improves coverage and allows the coordinator to spot missing areas. Overlap can be intentional for high-risk checks, not accidental.

Incorrect Answers

A:

A worker unable to inspect evidence cannot substantively review its domain. Capabilities must match assigned work.

B:

Without coverage records, the coordinator cannot tell which components were examined. Traceability is essential.

D:

Repeated agreement does not cover omitted modules. The coordinator needs scope accounting.

Question 204

A product-price tool returns both an authoritative numeric price and a free-text sales recommendation. Agents frequently quote the recommendation as a guaranteed price. What interface change helps?

  1. Mark all advice fields as binding without checking their source.
  2. Separate `price_amount`, `currency`, effective timestamp and source from an explicitly labeled nonbinding advisory field.
  3. Combine the fields into one fluent paragraph to make the response sound natural.
  4. Remove the currency field so all amounts look comparable.

Explanation

Correct Answer

B:

Structured provenance prevents promotional text from being treated as a committed commercial term. Consumers can validate the actual price independently.

Incorrect Answers

A:

A tool label cannot create a contract. Authoritative and advisory data should remain distinct.

C:

Blurring evidence and recommendation encourages false attribution. Distinct types preserve meaning.

D:

Currency is essential to interpreting price. Dropping it creates avoidable financial errors.

Question 205

An MCP tool crashes on a malformed upstream database connection string. Its response currently dumps a stack trace containing a secret. How should error reporting change?

  1. Expose the full connection string to every assistant and user.
  2. Return success with an empty table.
  3. Silently restart the entire database whenever the error occurs.
  4. Return a sanitized internal-error code and correlation ID, keeping detailed diagnostics in access-controlled server logs.

Explanation

Correct Answer

D:

The caller needs actionable status without privileged connection information. A correlation ID links the error to secure operational logs.

Incorrect Answers

A:

Secrets in exceptions can be copied into model context or conversations. Error output must be sanitized.

B:

An empty table means no data, not a crash. The error condition needs explicit representation.

C:

A client-side error does not authorize disruptive infrastructure action. Diagnose through controlled logs first.

Question 206

A finance agent can read a purchase order and create an invoice. What tool policy keeps a draft invoice from being issued before a matching order is validated?

  1. Treat any text containing “purchase order” as a valid approval.
  2. Issue the invoice before the order lookup and reverse it later if wrong.
  3. Let the assistant cross-check the order amount in its own reasoning, then issue the invoice without host-side prerequisite validation.
  4. Make invoice creation conditional on a verified order ID, approved amount and permitted issuing role enforced by the host.

Explanation

Correct Answer

D:

A tool call should be authorized by trusted business state. The model cannot bypass a failed order check by choosing another tool.

Incorrect Answers

A:

Words do not establish a verified order or amount. Host-side validation is necessary.

B:

Premature side effects create accounting cleanup and customer risk. Prerequisites should be checked first.

C:

Model reasoning may detect discrepancies, but authorization and amount must be enforced against trusted order data by the host. Otherwise a tool request could bypass the required verified-order gate.

Question 207

A local code-search MCP server is being combined with a remote production metrics MCP server. The developer plans to pass one unrestricted token to both. Which design follows the trust boundaries?

  1. Give each server a separate scoped identity, restrict accessible paths and APIs, and validate tool provenance before calls.
  2. Share one administrator token because both servers use the same protocol.
  3. Give local code search production delete rights so future tasks do not need reconfiguration.
  4. Suppress server identity in tool traces to make output shorter.

Explanation

Correct Answer

A:

Local code search and production telemetry have different data boundaries. Separate credentials and explicit routing avoid unnecessary cross-system privilege.

Incorrect Answers

B:

MCP compatibility does not mean shared authorization scope. A compromised server could misuse the shared credential.

C:

Code discovery does not require production mutation. Speculative rights expand risk.

D:

Server identity is crucial to provenance and debugging. Hidden routing can mask data leaks.

Question 208

A CI pipeline tests a code-review prompt. A developer proposes feeding real customer support logs containing personal data into every pull-request check. What is a safer design?

  1. Use production administrator credentials so the tests reflect real privileges.
  2. Skip all assertions and approve the job whenever the assistant generates text.
  3. Use sanitized representative fixtures and scoped ephemeral test credentials, retaining deterministic acceptance criteria.
  4. Copy the complete customer log archive into every pull-request artifact.

Explanation

Correct Answer

C:

CI can measure prompt behavior without unnecessary sensitive data. Controlled fixtures improve repeatability and reduce access exposure.

Incorrect Answers

A:

A prompt test should not require powerful production access. Least privilege applies to CI as well.

B:

Text generation alone does not establish that the behavior meets test requirements. Assertions remain necessary.

D:

Build artifacts may have broad access and long retention. This increases privacy risk without improving test validity.

Question 209

A procurement assistant has verified shipment dates but still lacks a signed change order for additional fees. The conversation is being compacted. What summary state is critical?

  1. Keep only informal chat compliments because they are shorter.
  2. Drop all issue identifiers to reduce token usage.
  3. Record the fee claim as pending authorization with source links, responsible approver and next action, separate from verified dates.
  4. State that all vendor fees are approved because delivery dates were confirmed.

Explanation

Correct Answer

C:

Known and unresolved facts must remain distinguishable. Compression should not turn a proposed charge into an approved one.

Incorrect Answers

A:

Pleasantries do not preserve actionability. The pending change order is consequential.

B:

Without issue boundaries, later updates may attach evidence to the wrong charge. Structured state is important.

D:

Verification of one field does not imply acceptance of another. Conflation changes contractual obligations.

Question 210

A change agent asks the owner to authorize a firewall exception. The owner explicitly denies it, but the model keeps asking the same approver through alternate channels. What should its control logic do?

  1. Forget the denial when a new agent process starts.
  2. Record the definitive denial and stop attempts to execute or re-seek the same unauthorized change unless new authorization context appears.
  3. Keep requesting until a different human eventually says yes.
  4. Deploy the exception and label it emergency because approval was inconvenient.

Explanation

Correct Answer

B:

An explicit policy decision is a termination condition for the requested side effect. Repeated prompts cannot overturn denial.

Incorrect Answers

A:

Resumption should preserve material policy decisions. Deleting state causes repeated unauthorized requests.

C:

Approval shopping can bypass accountability. The scope and authority of the decision must be respected.

D:

A refusal is not execution authority. Side effects must remain blocked.

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