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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 11

Question 100

After an infrastructure crash, an agent starts a 40-step migration from step one although steps 1–26 were committed successfully. What should the controller do?

  1. Resume from the verified task ledger at the first unfinished step and check idempotency before any retry.
  2. Assume every step succeeded because the job crashed near the end.
  3. Discard the prior ledger and let the model reconstruct it from memory.
  4. Restart all 40 steps to ensure nothing is missed.

Explanation

Correct Answer

A:

Recorded progress avoids replaying completed writes.

Incorrect Answers

B:

Completion is not established by elapsed time.

C:

Memory cannot prove which writes committed.

D:

Some actions may be irreversible or duplicated.

Question 101

Two forked sessions produce conflicting performance findings using a common baseline. How should the comparison be handled?

  1. Treat the newest branch as correct and abandon the older candidate solely based on its timestamp.
  2. Merge all incompatible values into an average without checking units.
  3. Compare measurements, source revisions and assumptions against the shared baseline, preserving both branches until resolved.
  4. Publish the branch with the more confident wording.

Explanation

Correct Answer

C:

A controlled comparison identifies why outcomes differ.

Incorrect Answers

A:

Recency does not determine which design meets requirements. Compare both to the shared baseline and objective acceptance criteria.

B:

Averages can conceal incomparable experiments.

D:

Confidence tone is not measurement evidence.

Question 102

A payment assistant resumes after a timeout and cannot tell whether the last charge was committed. What must precede a retry?

  1. Inspect the transaction's idempotency record or durable operation status before issuing another charge.
  2. Ask the model whether it feels the charge likely succeeded.
  3. Repeat the charge immediately because no success message was received.
  4. Assign a fresh idempotency key to force a new transaction.

Explanation

Correct Answer

A:

Unknown write outcomes require reconciliation to prevent duplicate charges.

Incorrect Answers

B:

Model confidence is not authoritative payment state.

C:

Absence of a response is not proof of failure.

D:

A new key defeats duplicate prevention.

Question 103

A long-running investigator holds 70,000 lines of raw logs inside its prompt and is approaching its context limit. How should it preserve progress?

  1. Duplicate the logs in each subagent context to avoid information loss.
  2. Store logs in stable artifacts and compact verified decisions, exact error codes and source pointers into a small recovery state.
  3. Retain only the longest log line as the complete incident explanation.
  4. Delete all logs and rely on the agent's unrecorded recollection.

Explanation

Correct Answer

B:

Targeted summaries retain actionable facts without exhausting reasoning context.

Incorrect Answers

A:

Duplication consumes more capacity without adding facts.

C:

One line cannot reliably represent a multi-event investigation.

D:

Important failure evidence would become unverifiable.

Question 104

A research handoff states 'sales increased significantly' but omits the precise 12.4% value used downstream. Select TWO improvements that prevent numerical drift in this research handoff.

  1. Discard the metric because summaries are intended to be short.
  2. Preserve exact numeric fields, units, dates and source IDs in structured state alongside summary text.
  3. Ask the next agent to estimate the number from 'significantly'.
  4. Round every metric to the nearest ten percent for readability.
  5. Store the measurement definition and reporting period beside the number so later comparisons do not mix incompatible metrics.

Explanation

Correct Answers

B:

Quantitative decisions require exact values rather than qualitative paraphrases.

E:

The figure 12.4% is only interpretable with its denominator, unit and covered period. These fields prevent an otherwise exact number from being applied to a different metric.

Incorrect Answers

A:

Removing required decision facts undermines downstream analysis.

C:

Descriptive language does not encode the original figure.

D:

Rounding can destroy material distinctions.

Question 105

A reviewer wants to test a different risk hypothesis while preserving the current accepted investigation. Which continuation mode is appropriate?

  1. Overwrite the only checkpoint with an experimental conclusion.
  2. Rerun all completed external actions from the beginning automatically.
  3. Fork the session from the known checkpoint and record each branch's changed assumptions.
  4. Pretend both hypotheses were tested inside one unlogged conversation.

Explanation

Correct Answer

C:

The original accepted state remains recoverable while a new line of inquiry proceeds.

Incorrect Answers

A:

A failed branch could destroy validated progress.

B:

Replaying side effects is not required to compare hypotheses.

D:

Without provenance their results cannot be distinguished.

Question 106

A resumed workflow guesses it already sent a customer notification but finds no delivery record. How should it decide the next action?

  1. Trust the agent's remembered narrative without checking any receipt.
  2. Mark the message delivered if the draft file exists.
  3. Send identical notifications repeatedly until the user acknowledges one.
  4. Consult a durable operation ledger and delivery provider status before sending or skipping the notification.

Explanation

Correct Answer

D:

External confirmation avoids duplicate or missed communications.

Incorrect Answers

A:

Generated memory is not proof of delivery.

B:

A saved draft does not establish successful transmission.

C:

This risks spam and duplicate side effects.

Question 107

A multi-tenant support service uses a plain session name 'refund-review' for every customer. An agent resumes another tenant's state. What prevents the collision?

  1. Use one shared session and rely on the model to separate customers.
  2. Namespace persisted session identifiers by authenticated tenant and case, checking access on resumption.
  3. Disable audit records so wrong-session access is harder to notice.
  4. Append only the current weekday to the session name.

Explanation

Correct Answer

B:

Tenant-scoped keys and authorization prevent cross-customer state leakage.

Incorrect Answers

A:

Model instructions cannot guarantee isolation of sensitive state.

C:

Hiding evidence does not fix unauthorized retrieval.

D:

Many customers still collide on the same day.

Question 108

A dormant privileged workflow resumes a week later. The saved transcript shows manager approval, but the user's role has since been revoked. What is required?

  1. Run the action then inspect permissions if the service reports an error.
  2. Revalidate current permission and approval state before executing new privileged actions.
  3. Ask the model to infer that prior approval probably still holds.
  4. Treat saved manager approval as permanently binding for all future tasks.

Explanation

Correct Answer

B:

Historical consent may expire or be revoked between sessions.

Incorrect Answers

A:

Authorization checks must precede privileged side effects.

C:

A prediction cannot verify present entitlement.

D:

Old authorizations need not cover a new operation.

Question 109

A research assistant has two registered tools, analyze_content for websites and analyze_content for PDFs, distinguished only by a hidden backend. Claude keeps selecting the wrong one. Select TWO changes to make the two tools distinguishable to a model and a client.

  1. Invoke both overlapping tools for every document and choose the response whose schema happens to parse.
  2. Expose purpose-specific tool names and descriptions, such as extract_web_page and analyze_pdf, with distinct accepted inputs.
  3. Keep identical tool names and add more examples to the user question.
  4. Remove all tool descriptions so the model must infer semantics from parameters.
  5. Publish typed argument schemas and documented result examples that distinguish web-page extraction from PDF analysis.

Explanation

Correct Answers

B:

Clear contracts help the model select the operation appropriate to the source.

E:

Distinct names reduce tool selection errors; clear input and output types provide an independent contract that a client can validate before dispatch and on return.

Incorrect Answers

A:

Calling both can duplicate work or run an inappropriate action. The client's schema check should validate an intentionally selected tool, not excuse an ambiguous tool surface.

C:

User wording should not compensate for an ambiguous API surface.

D:

Undocumented capabilities make selection less reliable.

Question 110

A search MCP tool is described only as 'search things'. Agents repeatedly omit the required collection filter and misread no-match results. What should its contract document?

  1. Describe query scope, required filters, result shape, no-match semantics, authorization and illustrative valid calls.
  2. Make the description longer by repeating 'search' without any field definitions.
  3. Use a single free-text parameter in place of schema validation for all actions.
  4. Tell the model that every search will succeed even when the server rejects requests.

Explanation

Correct Answer

A:

Specific input and output semantics make selection and recovery predictable.

Incorrect Answers

B:

Repeated vague wording does not clarify the required arguments.

C:

Removing structure weakens input correctness and tool choice.

D:

A false guarantee conceals necessary error handling.

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