McAfee Secure

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 13

Question 120

An integration feeds text/html and application/json to one parser that sometimes returns strings and sometimes dictionaries with no type marker. What design improvement is best?

  1. Define content-type-specific typed outputs or separate parsers and validate response shapes.
  2. Return raw bytes as success without declaring the encoding.
  3. Convert all JSON fields into a paragraph before validation.
  4. Strip the content type header and let the model guess the structure.

Explanation

Correct Answer

A:

Typed contracts let downstream consumers handle each representation reliably.

Incorrect Answers

B:

Consumers cannot safely interpret an unknown representation.

C:

Flattening loses structured semantics required by clients.

D:

Ambiguity increases parsing errors and unsupported inferences.

Question 121

A privileged admin tool exposes is_admin=true as a user-controllable argument. A support chatbot can set it at will. Which correction closes the authority gap?

  1. Rename is_admin to role_hint and trust the model's value.
  2. Add an assistant instruction that it should choose false.
  3. Permit true only when the customer says the request is urgent.
  4. Derive privilege from authenticated server-side identity and remove client-controlled elevation parameters.

Explanation

Correct Answer

D:

User-supplied arguments cannot safely grant access beyond the caller's entitlement.

Incorrect Answers

A:

Changing a field name does not protect authorization.

B:

Prompt compliance is not a strong access-control mechanism.

C:

Urgency is not role verification.

Question 122

An order search fails because date_start is required but omitted; the tool's description never lists it. What should be improved first?

  1. Give the tool a generic description promising automatic dates.
  2. Declare the required date argument and format in schema, descriptions and examples, with field-specific validation errors.
  3. Return an empty list whenever the date is missing.
  4. Tell the agent to guess last year's date if none is supplied.

Explanation

Correct Answer

B:

An explicit contract prevents repeated incomplete calls.

Incorrect Answers

A:

Implicit defaults may search the wrong period.

C:

Validation failure is not evidence of no matching orders.

D:

A guessed time range may miss relevant transactions.

Question 123

A deployment tool's description says 'deploys and rolls back' but the implementation only produces a plan. Agents claim rollbacks occurred. What is the right repair?

  1. Record a successful rollout when the planning tool returns a valid deployment plan, even though no deployment action ran.
  2. Set success=true even when no deployment was attempted.
  3. Make tool documentation and output status match its actual plan-only behavior, separating execution from recommendation.
  4. Keep the exaggerated description because it sounds more capable.

Explanation

Correct Answer

C:

Accurate side-effect descriptions prevent false operational claims.

Incorrect Answers

A:

A well-formed plan proves only that a plan was produced. A deployment receipt requires an observed execution and verified backend state.

B:

A success flag without execution evidence misleads operators.

D:

The agent may mistake recommendations for completed actions.

Question 124

An MCP customer lookup encounters a network timeout. The client currently returns empty content with isError=false. How should it represent the outcome?

  1. Return an empty successful customer list because no customer was received.
  2. Ignore the call and submit a final customer answer as though the lookup succeeded.
  3. Classify the timeout as a permanent policy denial.
  4. Return an isError=true tool result with transient-timeout detail and bounded recovery guidance.

Explanation

Correct Answer

D:

A failed call must not masquerade as successful absence of records.

Incorrect Answers

A:

The lookup did not complete, so absence was not established.

B:

Suppressing the failure produces unsupported assertions.

C:

Network instability differs from authorization rules.

Question 125

A refund provider denies a request because it exceeds the policy ceiling. The wrapper categorizes the response as 'temporary failure; retry'. What is the correct error model?

  1. Retry the identical amount with exponential backoff indefinitely.
  2. Return a generic 200 success to simplify the frontend.
  3. Report a nonretryable business-rule rejection with the applicable limit and escalation path.
  4. Retry with a smaller amount selected by the assistant without determining the applicable policy or whether partial refunds are authorized.

Explanation

Correct Answer

C:

Repeated calls cannot turn an unauthorized amount into an approved transaction.

Incorrect Answers

A:

Backoff addresses transient infrastructure failures, not policy.

B:

False success could lead the user to believe funds were transferred.

D:

Changing amount until an error disappears can bypass the intended business decision. The operation needs a policy-supported alternative, not automated threshold probing.

Question 126

A catalog lookup completes successfully but finds no products matching the filter. Select TWO properties of an accurate tool response for this completed no-match search.

  1. Report permission denied because no records were found.
  2. Return an explicit successful no-match outcome such as `isError:false` with an empty `results` array; do not fabricate a failure.
  3. Mark timeout even though the provider responded normally.
  4. Return an object containing a placeholder record with `product_id:null` instead of an empty collection.
  5. Include the executed query scope and filters in the empty response so the agent can distinguish a narrow search from an unavailable service.

Explanation

Correct Answers

B:

The request executed successfully. An empty results collection is ordinary data, distinct from an MCP tool-error result with `isError:true` or an upstream outage.

E:

A legitimate empty result is meaningful only in its search scope. Returning filters as evidence lets the agent explain the limitation or propose a justified broadened query.

Incorrect Answers

A:

An empty authorized query does not imply forbidden access.

C:

That would misstate service health.

D:

A fabricated placeholder is not a product match. The response must distinguish zero results from one record with missing fields to avoid false downstream inventory and counts.

Question 127

A tool reads a protected repository and receives HTTP 403. A worker suggests retrying ten times. What should the coordinator retain?

  1. Treat the 403 as evidence that the repository has been deleted.
  2. Preserve the permission-denied category, blocked resource and required access route; do not perform blind retries.
  3. Change the API token in the prompt to a guessed administrator identity.
  4. Replace the error with successful empty contents.

Explanation

Correct Answer

B:

Authorization failure is not usually fixed by immediate identical requests.

Incorrect Answers

A:

Access control says nothing about the underlying repository's existence.

C:

A generated credential cannot lawfully grant access.

D:

This falsely implies the repository has no files.

Question 128

A customer-search MCP call fails validation because customer_id is missing. Which error gives the agent a useful correction path?

  1. Return 'unknown' with no parameter information.
  2. Reuse a cached customer ID from the preceding request without checking whether it belongs to this caller.
  3. Return a typed nonretryable input error naming customer_id and an accepted identifier example.
  4. Mark the search as successful but without a customer.

Explanation

Correct Answer

C:

Field-level feedback identifies the missing prerequisite without guessing identity.

Incorrect Answers

A:

The caller cannot determine how to correct the request.

B:

An identifier from another turn may point to a different customer. Request validation must bind a valid ID to the current authenticated context.

D:

The lookup never ran with valid input.

Question 129

A reporting tool receives 503 Service Unavailable during evidence retrieval. What error should it pass back?

  1. Return a transient service-unavailable result with attempted operation, source and bounded retry/backoff recommendation.
  2. Answer using a stale cached excerpt without disclosing that the live retrieval failed.
  3. Classify the provider as permanently disallowed by policy.
  4. Report 'no matching results' since the server returned no documents.

Explanation

Correct Answer

A:

A 503 may recover, but the missing evidence remains unverified.

Incorrect Answers

B:

A cached result may be useful if identified as such, but it cannot be represented as freshly verified evidence when the provider returned 503.

C:

Availability and authorization are separate conditions.

D:

An unavailable query does not establish that documents are absent.

Question 130

A research subagent has already retried a rate-limited endpoint twice and exhausted its local budget. It must report to the coordinator. What should it include?

  1. Provide failure category, query, retry count, last status, completed partial findings and next permitted action.
  2. Report only 'done' to keep the parent context small.
  3. Silently restart retries from zero in another subagent.
  4. Omit partial findings so the coordinator always starts fresh.

Explanation

Correct Answer

A:

The coordinator can decide a targeted fallback without discarding successes.

Incorrect Answers

B:

A success-sounding status hides missing evidence.

C:

This evades the budget and duplicates unsuccessful calls.

D:

Already verified data should not be thrown away without reason.

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