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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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"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 38

Question 370

A summarizer receives `rows:[]` from a successful query and `rows:[]` from a failed query whose adapter swallowed HTTP 500. What should the integration layer preserve?

  1. Treat both as valid evidence of zero rows.
  2. An explicit success/error status, operation identifier and source scope in addition to the collection data.
  3. Treat every empty search as a server outage.
  4. Remove the status fields to make the schema smaller.

Explanation

Correct Answer

B:

Empty data cannot distinguish a genuine no-match search from an unexecuted request.

Incorrect Answers

A:

A server error gives no such evidence.

C:

Valid no-match queries should not become false failures.

D:

Losing error semantics makes the summaries unreliable.

Question 371

A Claude Code agent must understand a large monorepo with dozens of packages. Its main conversation becomes saturated by raw source listings. What architecture better controls the work?

  1. Assign bounded package exploration to scoped agents and aggregate compact dependency maps and anchored findings in the coordinator.
  2. Grant exploratory subagents write access to every package so they can store notes next to the files they inspect.
  3. Ask the agent to infer package architecture from the repository name.
  4. Paste every file verbatim into the coordinator before exploring dependencies.

Explanation

Correct Answer

A:

Parallel scoped exploration can reduce main-context pressure while retaining important cross-module evidence.

Incorrect Answers

B:

A read-only architecture inventory does not need repository-wide mutation authority. Scoped read tools and external notes prevent accidental changes.

C:

Names cannot establish actual code relationships.

D:

Unbounded bulk input makes the context problem worse.

Question 372

A code investigation resumes with a new session, but the agent cannot tell which services were already inspected or which ones remain. What state should have been persisted?

  1. A prose assertion that the repository was fully understood.
  2. Only the total number of files read, without their names.
  3. A structured module manifest with completed paths, file revisions, findings, unresolved dependencies and next work item.
  4. The name of the last subagent, without its actual findings.

Explanation

Correct Answer

C:

A manifest supports precise continuation rather than repeating exploration.

Incorrect Answers

A:

A claim of comprehension is not a recoverable task ledger.

B:

A count does not identify coverage.

D:

Agent identity is not a substitute for scoped results.

Question 373

A codebase reviewer recalls a typical handler implementation from memory, but the saved checkpoint lists an exact file path and commit hash. What should the reviewer use before proposing a patch?

  1. Apply a patch based on an earlier similar module without reopening the saved exact file revision.
  2. Ignore the recorded commit and assume all files are unchanged.
  3. Reopen the recorded source artifact at its verified version or inspect the changed diff, and base the change on actual code.
  4. Patch the implementation the model imagines is usually present.

Explanation

Correct Answer

C:

File references anchor the answer to the repository rather than stereotypes.

Incorrect Answers

A:

A nearby implementation is not evidence that the current file has the same behavior. The recorded path and commit hash should anchor the correction.

B:

Without verification, stale assumptions can misdirect fixes.

D:

Typical code patterns are not evidence of this repository's behavior.

Question 374

A CI test suite produces 80 MB of output, mostly successful lines, and pushes every character into a model prompt. What change would improve the debugging workflow?

  1. Persist raw logs separately and provide a bounded summary of failed tests, relevant stack traces and stable log offsets.
  2. Keep only an overall failed status and discard the detailed log file after extracting no stack traces.
  3. Include only the first ten lines regardless of where failures occurred.
  4. Treat the huge log as a reason to claim the tests passed.

Explanation

Correct Answer

A:

Focused error evidence is cheaper and more usable than the entire transcript.

Incorrect Answers

B:

The debugging session needs relevant failure evidence and a path back to the raw log. A bare status prevents root-cause diagnosis.

C:

Arbitrary truncation can omit the relevant fault.

D:

Output size does not determine test success.

Question 375

A coordinator must explain how changes in an authentication module affect a billing service and an API gateway. It has parallel analysts for each component. Select THREE inputs or checks needed for a coherent cross-module impact review.

  1. Scoped interface and dependency maps with file anchors, followed by coordinator synthesis of the cross-module paths.
  2. Only the number of files each worker read.
  3. Let the API-gateway worker summarize the entire cross-service impact without seeing the authentication or billing findings.
  4. Three unrelated opinions about general coding style.
  5. Record the version and owner of each affected interface so the coordinator can identify incompatible assumptions.
  6. Exercise at least one authentication-to-billing-to-gateway integration path against the merged findings.

Explanation

Correct Answers

A:

A common structured map supports reasoning about interactions without repeating raw exploration.

E:

Individual module summaries need shared interface identity and revision metadata to detect when one agent analyzed an outdated contract.

F:

The local analyses explain components; a cross-boundary test checks the behavior that depends on several components and can catch an otherwise hidden interaction.

Incorrect Answers

B:

Counts do not describe coupling or affected contracts.

C:

A single module specialist cannot verify interactions with other services whose actual contracts and behavior it has not examined. The coordinator needs all affected modules' evidence.

D:

Style comments do not establish service dependencies.

Question 376

A long-running refactor session nears its context limit and must hand off to another run. Which details must survive compaction?

  1. Only the most recent assistant prose, excluding tool results and test status.
  2. General statements that the code is 'mostly fixed'.
  3. Exact function and file names, verified interfaces, changed hashes, completed tests, unresolved blockers and next action.
  4. A list of every unrelated log line but none of the accepted decisions.

Explanation

Correct Answer

C:

Recovery depends on precise artifacts and decisions, not broad impressions.

Incorrect Answers

A:

A narrative response may omit the evidence of applied or failed changes.

B:

Vague wording cannot reproduce the affected state.

D:

Unfiltered logs displace the details needed for continuation.

Question 377

Two parallel code-editing agents modify the same versioned config file and one overwrites the other's fix. Select TWO controls that prevent one agent from silently losing another agent’s edits.

  1. Disjoint file ownership or staged patches with version checks and an explicit merge/conflict-resolution step.
  2. Last-writer-wins as the permanent merge policy without review.
  3. Ban all parallel reads and independent file analysis.
  4. Give all workers broader root access so overwrites succeed.
  5. Run a merged-configuration regression check after conflict resolution so both intended changes are present and compatible.

Explanation

Correct Answers

A:

Write boundaries keep parallel work from silently destroying valid changes.

E:

File ownership and version checks prevent silent overwrites. A subsequent behavior test confirms the merged configuration implements both authorized changes.

Incorrect Answers

B:

Completion order cannot determine which change satisfies requirements.

C:

The hazard is shared mutation, not safe concurrent inspection.

D:

Additional privilege does not solve conflict correctness.

Question 378

A network interruption ends a code-review agent halfway through a multi-service investigation. On resumption it starts all scans again despite stored result artifacts. What is the better recovery procedure?

  1. Discard saved artifacts because a new session must be a new project.
  2. Load the structured task ledger and existing source-linked findings, then resume only unresolved operations and changed dependencies.
  3. Assume every unfinished task succeeded because the earlier process ran for hours.
  4. Skip the final report and call the investigation complete after resumption.

Explanation

Correct Answer

B:

Recovery should reuse confirmed work and narrow verification to genuine gaps.

Incorrect Answers

A:

A session boundary does not invalidate verified prior results.

C:

Elapsed time is not evidence of completion.

D:

Interrupted execution still needs accurate remaining work.

Question 379

After a Claude Code investigation, a handoff note says only “the billing configuration was found.” The original agent had identified a specific source file, commit, line range, and relevant flag value. The resumed agent now faces 5,000 generic config search hits. Which checkpoint design MOST efficiently preserves verifiable progress?

  1. Guess the original flag value from common billing-system defaults and skip source inspection.
  2. Send all 5,000 matches to every new agent so no possible configuration is missed, discarding the earlier source location.
  3. Preserve only a prose summary that the previous investigation was complete and assume the file has not changed.
  4. Persist the exact source path, revision, line anchor, observed flag value, and affected dependency, then refresh only if the artifact changed.

Explanation

Correct Answer

D:

A stable artifact locator and source revision let the resumed reviewer reproduce the finding without broad search. Changed files can be rechecked selectively, preserving verified work elsewhere.

Incorrect Answers

A:

Typical settings are not evidence of the deployed billing flag. An exact prior source location and revision are available and should be reused.

B:

A full re-search wastes context and may obscure the authoritative file. Precise identifiers let the next reviewer target known evidence.

C:

A completion statement cannot reproduce the claim or detect source drift. Store the actual file identity, version and finding needed for continuation.

Question 380

A previously reviewed module changed in one commit while the rest of a monorepo is unchanged. An agent is resuming its dependency analysis. What work should be repeated?

  1. Re-run every historical scan and rewrite every earlier result.
  2. Skip all checks because the previous full review passed before the commit.
  3. Inspect the changed module and its affected interface/dependent checks, preserving prior validated findings elsewhere.
  4. Recompute unrelated certification question-bank comparisons.

Explanation

Correct Answer

C:

Change-targeted revalidation limits waste while maintaining consistency.

Incorrect Answers

A:

Unchanged evidence does not need automatic complete reprocessing.

B:

The new change may invalidate relevant dependencies.

D:

Other exams are outside the code investigation and source-scope boundary.

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