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Claude Certified Architect - Foundations CCA-F Practice Test 23

Question 220

A project needs to repair a workflow after the following observation: Claude applies transaction-specific migration advice while editing a front-end component. What correction best addresses the underlying cause?

  1. Move the SQL conventions to a matching path-scoped rule and validate path patterns.
  2. Add an exception inside the React component instructing Claude to ignore SQL syntax suggestions, while leaving the migration rule globally loaded.
  3. Move all migration advice into the main root CLAUDE.md and ask the model to decide when it is relevant.
  4. Rename the React component so its path no longer resembles a SQL migration, without inspecting the rule’s glob pattern.

Explanation

Correct Answer

A:

Conditional rules keep task-specific context active only for matching paths. In this failure, claude applies transaction-specific migration advice while editing a front-end component. The corrective action is to move the SQL conventions to a matching path-scoped rule and validate path patterns.

Incorrect Answers

B:

A local exception is fragile when the incorrect global rule still applies. Scope the SQL rule to database migrations.

C:

A broader global rule makes front-end contamination more likely. Use path-matched guidance for migration files.

D:

Changing application code to evade a bad rule is the wrong boundary. Repair the glob and verify path matching.

Question 221

In a proposed Claude-based system, A developer wants to fix one verified typo in a local test assertion. The team needs to achieve the following: Avoid process overhead when the change has no significant dependencies. Which decision fits best?

  1. Rewrite the entire test suite to avoid the misspelled token.
  2. Open unrestricted production deployment access to fix the test.
  3. Use direct editing for the single scoped low-risk change and run the affected test.
  4. Create a multi-hour plan involving the whole monorepo.

Explanation

Correct Answer

C:

For a tiny understood change, lengthy planning adds little value compared with a precise edit.

Incorrect Answers

A:

A broad rewrite increases risk beyond the requested correction.

B:

No production capability is needed.

D:

Planning cost is disproportionate to a single typo.

Question 222

The team claims its design satisfies: Avoid process overhead when the change has no significant dependencies. The environment is: A developer wants to fix one verified typo in a local test assertion. Which TWO safeguards or validation actions best support a safe implementation of the requirement? Select TWO answers.

  1. Run the entire system deployment pipeline for a one-line test assertion change and judge success by completed pipeline steps.
  2. Limit the edit to the known file and preserve unrelated test behavior.
  3. Skip the affected unit test because the changed file is small and the diff contains no syntax errors.
  4. Modify nearby unrelated tests to match the new assertion and accept reduced failure counts as proof.
  5. Inspect the diff and run the single affected test rather than a full deployment.

Explanation

Correct Answers

B:

A trivial approved test typo normally calls for a small edit, but the scope must truly be isolated before applying it. Check the assertion and its immediate test behavior. To verify that boundary in the acceptance exercise, limit the edit to the known file and preserve unrelated test behavior.

E:

For a tiny understood change, lengthy planning adds little value compared with a precise edit. Exercising this runtime path would detect the specific fault: the workflow selected plan-only behavior for an already scoped trivial edit.

Incorrect Answers

A:

A heavyweight process does not establish that the single local behavior was repaired economically.

C:

Size and syntax do not prove the corrected assertion still tests the intended behavior.

D:

Changing unrelated expectations can conceal regressions rather than isolate the requested fix.

Question 223

The operational trace shows: A typo remains unfixed while the assistant produces a long architectural proposal. Given the requirement: Avoid process overhead when the change has no significant dependencies. What is the most credible explanation?

  1. The assistant made the scoped typo correction immediately but a formatting linter still reports an old warning.
  2. A large cross-service migration had uncertain dependencies and was appropriately routed to planning first.
  3. The user asked for an architectural proposal rather than editing the identified typo.
  4. The workflow selected plan-only behavior for an already scoped trivial edit.

Explanation

Correct Answer

D:

This diagnosis explains the observed pilot behavior: A typo remains unfixed while the assistant produces a long architectural proposal. The architectural fault is the workflow selected plan-only behavior for an already scoped trivial edit. A targeted correction is: Make the targeted test edit and confirm the intended assertion still runs.

Incorrect Answers

A:

A linter warning after a direct fix is not excessive planning instead of editing.

B:

That situation merits planning, unlike a known typo with no meaningful dependencies.

C:

A genuine planning request does not fit the specified trivial edit task.

Question 224

The deployment proposal says it addresses: Avoid process overhead when the change has no significant dependencies. Which boundary must not be hidden from the customer?

  1. Any one-line code edit is safe to execute immediately, even when it changes a shared API contract.
  2. For a small patch, passing the formatter is sufficient evidence that downstream behavior is unaffected.
  3. Direct editing is appropriate only after the change scope and impact are actually understood.
  4. Direct editing is appropriate whenever the requested file is short, regardless of whether a migration is involved.

Explanation

Correct Answer

C:

A trivial approved test typo normally calls for a small edit, but the scope must truly be isolated before applying it. Check the assertion and its immediate test behavior.

Incorrect Answers

A:

Diff length does not capture downstream impact. A small signature change can require dependency analysis and compatibility testing.

B:

Formatting verifies style, not consumers or runtime behavior. The affected code path must still be understood and tested.

D:

File length is not a proxy for reversibility or dependency risk. A short migration can still require a plan and controlled rollout.

Question 225

The rollout cannot proceed because: A typo remains unfixed while the assistant produces a long architectural proposal. What is the most appropriate focused correction?

  1. Require a full architectural redesign review before correcting an isolated approved assertion typo.
  2. Make the targeted test edit and confirm the intended assertion still runs.
  3. Apply the typo fix directly to the application implementation but leave the test assertion unchanged.
  4. Mark the assertion issue documented and wait for another sprint before making any controlled edit.

Explanation

Correct Answer

B:

For a tiny understood change, lengthy planning adds little value compared with a precise edit. In this failure, a typo remains unfixed while the assistant produces a long architectural proposal. The corrective action is to make the targeted test edit and confirm the intended assertion still runs.

Incorrect Answers

A:

The supplied scope is a narrow authorized test edit; lengthy replanning delays the needed correction without reducing its actual risk.

C:

The test itself is the reported defect. Editing production code to match a typo can introduce unnecessary behavior changes.

D:

The task is approved and localized. A small targeted change with a focused test is more appropriate than deferring without cause.

Question 226

A project lead describes the target workflow: A payment platform requires coordinated edits to schema, API handlers and reporting jobs. The decisive requirement is: Assess dependencies and get alignment before making risky multi-file changes. What should be implemented?

  1. Run the formatter and type checker across all three components, then start changes without mapping which API version requires the schema migration.
  2. Use plan mode to inspect and propose the sequence, then switch to execution after approval.
  3. Edit the API validation first and use later integration-test failures to determine which database migration is required.
  4. Make each file edit independently and rely on version control to undo any production-visible data migration.

Explanation

Correct Answer

B:

Planning first exposes cross-component effects and rollback needs without immediately mutating code.

Incorrect Answers

A:

Formatting and type checks may pass while deployment order breaks the production contract. Coordinated schema/API/reporting changes need dependency and rollout planning first.

C:

Trial-and-error may be tolerable for a local toy change, but this workflow has known cross-file dependencies. Plan compatibility and order before risky edits.

D:

Git can revert code but cannot necessarily undo data changes or downstream effects. A coordinated, reviewed sequence with rollback controls is necessary.

Question 227

For a candidate implementation, A payment platform requires coordinated edits to schema, API handlers and reporting jobs. It must accomplish: Assess dependencies and get alignment before making risky multi-file changes. Which TWO safeguards or validation actions best support a safe implementation of the requirement? Select TWO answers.

  1. Compare the proposed file and schema change plan against all affected components before writing.
  2. Keep database migration execution separate from unaudited code edits.
  3. Apply the API handler change first and then discover whether schema or reporting jobs still support it.
  4. Run only API endpoint tests and accept them as proof that downstream reporting SQL still works after schema changes.
  5. Treat an approved design document as permission to execute a production database migration during code review.

Explanation

Correct Answers

A:

Planning first exposes cross-component effects and rollback needs without immediately mutating code. Exercising this runtime path would detect the specific fault: direct execution started without a cross-file migration plan.

B:

Planning before a multi-file migration prevents impulsive edits, yet the plan can still miss a dependent caller or failed test. Validate the eventual implementation against approved scope. To verify that boundary in the acceptance exercise, keep database migration execution separate from unaudited code edits.

Incorrect Answers

C:

Late dependency discovery can leave consumers incompatible during the rollout.

D:

A successful endpoint does not exercise report jobs depending on old fields.

E:

A planning approval is not the same as explicit authority for irreversible production changes.

Question 228

A Claude system is not behaving as designed: An implementation changes API validation before the matching database migration is ready. It was meant to achieve: Assess dependencies and get alignment before making risky multi-file changes. Which diagnosis deserves priority?

  1. Direct execution started without a cross-file migration plan.
  2. A dependency plan identified schema and handler sequencing, but the migration failed due to exhausted database space.
  3. The team had mapped and approved the database/API dependency order but omitted a rollback snapshot for an unrelated reporting query.
  4. The database migration was intentionally postponed with an approved compatibility layer already tested.

Explanation

Correct Answer

A:

This diagnosis explains the observed pilot behavior: An implementation changes API validation before the matching database migration is ready. The architectural fault is direct execution started without a cross-file migration plan. A targeted correction is: Review the dependency order in plan mode and execute approved changes in phases.

Incorrect Answers

B:

Operational capacity failure can happen despite planning; the stated problem is starting edits without a plan.

C:

A rollback safeguard matters, but the reported error is changing API validation before its dependent schema is ready. That ordering failure is addressed by a cross-file plan with explicit dependency sequencing.

D:

An authorized staged migration differs from unplanned validation changes breaking consumers.

Question 229

A design review needs an accurate risk statement for this goal: Assess dependencies and get alignment before making risky multi-file changes. Which statement avoids overclaiming?

  1. Once a plan is approved, its dependency versions and deployment environment cannot change before execution.
  2. A detailed plan for a schema migration removes the need for integration tests after implementation.
  3. Plan mode reduces unintended changes but does not prove that the later implementation is correct.
  4. An accepted multi-file plan proves that the migration can complete without downtime or rollback.

Explanation

Correct Answer

C:

Planning before a multi-file migration prevents impulsive edits, yet the plan can still miss a dependent caller or failed test. Validate the eventual implementation against approved scope.

Incorrect Answers

A:

Planning does not freeze the environment. The executor should detect drift and revalidate critical dependencies before applying changes.

B:

A plan predicts an intended sequence; it cannot demonstrate runtime compatibility. Integration tests are required for the actual implementation.

D:

Approval establishes a decision to proceed, not proof of safe deployment. Operational constraints and rollback behavior still need verification.

Question 230

A product engineer discovers: An implementation changes API validation before the matching database migration is ready. Which change has the strongest causal link to this problem?

  1. Avoid writing a plan because Claude can undo any mistake automatically.
  2. Run a broad code formatter as a substitute for dependency analysis.
  3. Start editing every file before identifying migration dependencies.
  4. Review the dependency order in plan mode and execute approved changes in phases.

Explanation

Correct Answer

D:

Planning first exposes cross-component effects and rollback needs without immediately mutating code. In this failure, an implementation changes API validation before the matching database migration is ready. The corrective action is to review the dependency order in plan mode and execute approved changes in phases.

Incorrect Answers

A:

Rollback is not guaranteed across databases and external services. That alternative does not directly repair the failure described here: An implementation changes API validation before the matching database migration is ready. The team should correct the underlying control or handoff first.

B:

Formatting does not establish compatibility or safe rollout order. That alternative does not directly repair the failure described here: An implementation changes API validation before the matching database migration is ready. The team should correct the underlying control or handoff first.

C:

Premature changes can break contracts between components. That alternative does not directly repair the failure described here: An implementation changes API validation before the matching database migration is ready. The team should correct the underlying control or handoff first.

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

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