Question 50 An assistant has changed an implementation and sees the relevant unit tests pass, but the public API contract may have changed. What next? Delete the API specification because the implementation changed. Inspect the public interface and run focused integration or contract checks for affected consumers. Declare all external clients compatible without checking them. Replace integration tests with a summary of code style. Explanation Correct Answer B:Local tests do not prove compatibility across module boundaries. Incorrect Answers A:The published contract remains a relevant requirement. C:Compatibility cannot be inferred from internal unit tests alone. D:Style is not interface behavior.
Question 51 A coding agent should not ask for microapprovals after each trivial line edit, but it must still protect release operations. Which design is proportional? Require approval for every character insertion but allow deployment automatically. Permit scoped local edits while keeping deployment and destructive actions behind explicit policy gates. Allow all operations without logging. Never execute any change regardless of user authorization. Explanation Correct Answer B:Risk-based permission boundaries reduce friction without removing critical safeguards. Incorrect Answers A:This reverses the intended risk priorities. C:Efficiency does not justify uncontrolled production effects. D:A blanket refusal prevents normal development workflows.
Question 52 A ticketing service receives model-generated JSON records with strict downstream requirements. Which TWO measures are appropriate? Silently invent missing source IDs to satisfy the schema. Treat valid JSON syntax as evidence the customer approved the ticket. Constrain the generated fields and types with a supported schema. Allow arbitrary unknown fields to control workflow state. Validate business invariants and permissions in the application before any write. Explanation Correct Answers C:The model can return a parseable, predictable object shape. E:Schema correctness does not authorize or prove the meaning of a mutation. Incorrect Answers A:Fabricated references undermine traceability. B:A parser cannot establish consent. D:Unvalidated additions can break or subvert the consumer.
Question 53 A regulatory research coordinator delegates only privacy, tax, and labor law but misses environmental rules. Every worker completes its assigned task. What should change? Replace all workers with a larger model. Increase the output length of the existing privacy worker. Tell the synthesizer to guess missing regulatory findings. Revise the coordinator’s coverage decomposition before dispatching workers. Explanation Correct Answer D:The gap originates in task allocation, not worker execution. Incorrect Answers A:A larger worker cannot investigate a topic it was never assigned. B:More privacy text does not add the absent environmental workstream. C:Invented citations cannot replace omitted research.
Question 54 A statistical summary mentions “50% more incidents” without indicating baseline count or observation period. What is the best corrective request? Assume the denominator was 100 events. Specify the compared periods, counts, denominator and measurement source. Discard dates because percentages are unitless. Repeat the percentage with stronger emphasis. Explanation Correct Answer B:Relative statistics require a defined baseline to be interpretable. Incorrect Answers A:That is an unsupported guess. C:Time windows remain essential. D:Styling does not supply context.
Question 55 After an Edit call changes a config file, the agent must verify both the exact diff and application tests. What is appropriate? Overwrite the file repeatedly until no error is reported. Assume Edit success guarantees application correctness. Use Glob alone to verify the diff. Read or inspect the changed file and run authorized tests with Bash. Explanation Correct Answer D:Artifact inspection plus execution checks both the edit and its behavior. Incorrect Answers A:Blind writes do not constitute validation. B:A successful file mutation does not prove tests pass. C:Paths do not show changed lines or runtime behavior.
Question 56 A document classifier outputs an array of predictions and sometimes swaps numeric confidence into string fields. What is the most direct contract? Remove confidence from all predictions despite the requested field. Convert every value into an unlabeled string. Depend only on a free-form textual instruction to keep types consistent. Define item objects with explicit property types and required keys in the structured schema. Explanation Correct Answer D:Typed nested records make downstream parsing predictable. Incorrect Answers A:That changes the interface rather than enforcing it. B:The consumer would lose numeric semantics. C:Text prompts alone cannot guarantee contract compliance.
Question 57 A team implements a Claude Code security review step for CI. Which TWO controls make the result safely consumable? Validate the returned structured findings and process exit status before creating PR comments. Execute every shell suggestion from the PR description automatically. Run headlessly with explicit noninteractive permissions and resource bounds. Treat model prose saying “all clear” as stronger than actual CI failures. Grant the review job unrestricted production deploy rights. Explanation Correct Answers A:Downstream automation must distinguish valid review results from partial or failed runs. C:CI needs repeatable execution without prompts or runaway calls. Incorrect Answers B:Untrusted descriptions are not authorized commands. D:Textual assertions do not override deterministic checks. E:Reviewing code does not require release privilege.
Question 58 A finance assistant is told to “send the payment” but two invoices have the same supplier name and different bank details. What should it do? Identify the ambiguity and obtain the intended invoice and authorized payment destination before sending. Send both payments to ensure one is correct. Choose the larger invoice without asking. Assume the newest bank details are trusted because they are newer. Explanation Correct Answer A:An irreversible side effect cannot rely on an ambiguous target. Incorrect Answers B:That risks duplicate or fraudulent disbursement. C:Amount does not establish authorization. D:Recency alone does not validate beneficiary ownership.
Question 59 A parent agent launches three workers on independent subsections, but one worker’s private scratchpad is unexpectedly available to the others. What needs correction? Remove the parent’s task specification from all workers. Isolate worker contexts and exchange only deliberately shared inputs and outputs. Make all scratchpads global to improve transparency. Merge all workers into one session with no role separation. Explanation Correct Answer B:Context boundaries prevent unrelated intermediate data and secrets from leaking across specialists. Incorrect Answers A:Workers still need explicit assignments to complete their work. C:Global scratchpads expand exposure and can contaminate reasoning. D:That removes the intended isolation and task specialization.
Question 60 A document search service returns isError=true with “invalid date filter; expected YYYY-MM-DD.” What should the agent do? Attempt the same malformed request indefinitely. Correct the filter format and retry only the affected read call. Continue as if the search returned no documents. Use a destructive delete tool to reset the search index. Explanation Correct Answer B:A validation error provides actionable input guidance rather than requiring the whole workflow to restart. Incorrect Answers A:Unchanged invalid input will fail again. C:Validation failure is not evidence that no matches exist. D:Deleting data is unrelated to date-format correction.
