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Question 40
A spawned code reviewer begins with no knowledge of the repository's coding conventions. Which corrective action most directly addresses the observed failure?
- Supply the subagent with the policy version and a generic summary of coding goals, but omit the repository’s actual conventions and target files.
- Require assumptions, units, input dataset, and method with every derived number.
- Exclude publication privileges from specialist review tools and execution policy.
- Include the relevant conventions, target files, and expected result in its task payload.
- Pass minimal necessary fields and redact unrelated private records from the subtask.
Explanation
Correct Answer
D:New subagents must receive needed context explicitly rather than assume they inherit the parent's full conversation. Here, a spawned code reviewer begins with no knowledge of the repository's coding conventions. New subagents must receive needed context explicitly rather than assume they inherit the parent's full conversation. Resolving the exact observed failure requires the system to include the relevant conventions, target files, and expected result in its task payload.
Incorrect Answers
A:A policy version might communicate global constraints but cannot tell the newly spawned reviewer which naming rules, build commands or repository files apply. Passing the relevant conventions, target paths and expected evidence is necessary for a meaningful code review.
B:A spawned code reviewer begins with no knowledge of the repository's coding conventions. A downstream summarizer needs methodological context to distinguish reproducible results from unsupported assertions. The important technical distinction is that new subagents must receive needed context explicitly rather than assume they inherit the parent's full conversation. This action would require assumptions, units, input dataset, and method with every derived number instead of include the relevant conventions, target files, and expected result in its task payload, so the original fault would persist.
C:Review work has no need to mutate an external site and should remain separate from release authority. The stated situation is that a spawned code reviewer begins with no knowledge of the repository's coding conventions. New subagents must receive needed context explicitly rather than assume they inherit the parent's full conversation. The alternative would exclude publication privileges from specialist review tools and execution policy, but the implementation still must include the relevant conventions, target files, and expected result in its task payload to correct that specific failure.
E:Context passing should preserve relevance and privacy without transferring entire sensitive datasets. The stated situation is that a spawned code reviewer begins with no knowledge of the repository's coding conventions. New subagents must receive needed context explicitly rather than assume they inherit the parent's full conversation. The alternative would pass minimal necessary fields and redact unrelated private records from the subtask, but the implementation still must include the relevant conventions, target files, and expected result in its task payload to correct that specific failure.
Question 41
A coordinator invokes a specialist tool that is not included in its allowed tools. Which implementation choice best closes the specific gap described?
- Exclude publication privileges from specialist review tools and execution policy.
- Restrict the subagent's tool set to the read-oriented capabilities it needs.
- Enable the approved delegation tool in the coordinator's effective tool configuration.
- Use explicit draft, needs-check, and accepted states and let the lead enforce promotion.
Explanation
Correct Answer
C:A declared subagent alone does not make its invocation tool available under restricted permissions. Here, a coordinator invokes a specialist tool that is not included in its allowed tools. A declared subagent alone does not make its invocation tool available under restricted permissions. Resolving the exact observed failure requires the system to enable the approved delegation tool in the coordinator's effective tool configuration.
Incorrect Answers
A:A coordinator invokes a specialist tool that is not included in its allowed tools. A declared subagent alone does not make its invocation tool available under restricted permissions. Review work has no need to mutate an external site and should remain separate from release authority. Performing the proposed action to exclude publication privileges from specialist review tools and execution policy would not enable the approved delegation tool in the coordinator's effective tool configuration; the actual fault would remain possible.
B:A coordinator invokes a specialist tool that is not included in its allowed tools. A declared subagent alone does not make its invocation tool available under restricted permissions. Delegation creates an execution boundary where unnecessary powerful tools enlarge the attack surface. Performing the proposed action to restrict the subagent's tool set to the read-oriented capabilities it needs would not enable the approved delegation tool in the coordinator's effective tool configuration; the actual fault would remain possible.
D:A coordinator invokes a specialist tool that is not included in its allowed tools. A delegated author's self-description cannot substitute for required acceptance checks in the overall workflow. A declared subagent alone does not make its invocation tool available under restricted permissions. The suggested action would use explicit draft, needs-check, and accepted states and let the lead enforce promotion; it does not enable the approved delegation tool in the coordinator's effective tool configuration, which is the necessary correction for the observed fault.
Question 42
A QA specialist receives a file path but cannot tell which tests are required to pass. Which architecture decision would most directly meet the stated requirement?
- Return its concrete artifact path, status, and validation evidence in the handoff.
- Specify acceptance checks and evidence format in the delegated assignment.
- Pass minimal necessary fields and redact unrelated private records from the subtask.
- Extract task-critical facts and small structured evidence into the delegated context.
Explanation
Correct Answer
B:Tool access and file locations do not define what constitutes a valid audit result. The application currently faces this failure: a QA specialist receives a file path but cannot tell which tests are required to pass. Tool access and file locations do not define what constitutes a valid audit result. The required change is to specify acceptance checks and evidence format in the delegated assignment.
Incorrect Answers
A:A QA specialist receives a file path but cannot tell which tests are required to pass. The parent must be able to identify and inspect the actual created artifact, not rely on an ungrounded completion claim. Tool access and file locations do not define what constitutes a valid audit result. The option covers return its concrete artifact path, status, and validation evidence in the handoff, but the actual correction requires the system to specify acceptance checks and evidence format in the delegated assignment. That difference determines why this choice does not resolve the incident.
C:Context passing should preserve relevance and privacy without transferring entire sensitive datasets. The stated situation is that a QA specialist receives a file path but cannot tell which tests are required to pass. Tool access and file locations do not define what constitutes a valid audit result. The alternative would pass minimal necessary fields and redact unrelated private records from the subtask, but the implementation still must specify acceptance checks and evidence format in the delegated assignment to correct that specific failure.
D:A QA specialist receives a file path but cannot tell which tests are required to pass. A self-contained but concise assignment lets the specialist reason without irrelevant logs consuming the whole context. The important technical distinction is that tool access and file locations do not define what constitutes a valid audit result. This action would extract task-critical facts and small structured evidence into the delegated context instead of specify acceptance checks and evidence format in the delegated assignment, so the original fault would persist.
Question 43
An agent definition permits remote Bash execution for a documentation-only summarizer. What should the team change first to resolve this exact failure mode?
- Restrict the subagent's tool set to the read-oriented capabilities it needs.
- Enable the approved delegation tool in the coordinator's effective tool configuration.
- Exclude publication privileges from specialist review tools and execution policy.
- Use explicit draft, needs-check, and accepted states and let the lead enforce promotion.
Explanation
Correct Answer
A:Delegation creates an execution boundary where unnecessary powerful tools enlarge the attack surface. The case involves an agent definition permits remote Bash execution for a documentation-only summarizer. Delegation creates an execution boundary where unnecessary powerful tools enlarge the attack surface. The implementation therefore needs to restrict the subagent's tool set to the read-oriented capabilities it needs.
Incorrect Answers
B:An agent definition permits remote Bash execution for a documentation-only summarizer. A declared subagent alone does not make its invocation tool available under restricted permissions. The important technical distinction is that delegation creates an execution boundary where unnecessary powerful tools enlarge the attack surface. This action would enable the approved delegation tool in the coordinator's effective tool configuration instead of restrict the subagent's tool set to the read-oriented capabilities it needs, so the original fault would persist.
C:An agent definition permits remote Bash execution for a documentation-only summarizer. Review work has no need to mutate an external site and should remain separate from release authority. The important technical distinction is that delegation creates an execution boundary where unnecessary powerful tools enlarge the attack surface. This action would exclude publication privileges from specialist review tools and execution policy instead of restrict the subagent's tool set to the read-oriented capabilities it needs, so the original fault would persist.
D:An agent definition permits remote Bash execution for a documentation-only summarizer. A delegated author's self-description cannot substitute for required acceptance checks in the overall workflow. Delegation creates an execution boundary where unnecessary powerful tools enlarge the attack surface. The option covers use explicit draft, needs-check, and accepted states and let the lead enforce promotion, but the actual correction requires the system to restrict the subagent's tool set to the read-oriented capabilities it needs. That difference determines why this choice does not resolve the incident.
Question 44
A research subagent is assigned 'find information' without a precise question or decision. Which safeguard or workflow change provides the missing guarantee?
- Require source URLs or document IDs plus a precise location for each claim.
- Exclude publication privileges from specialist review tools and execution policy.
- Standardize the handoff schema while preserving role-specific evidence fields.
- Define a bounded objective, deliverable fields, and stop criteria for that specialist.
Explanation
Correct Answer
D:Specific task contracts reduce wandering searches and make coordinator review possible. The application currently faces this failure: a research subagent is assigned 'find information' without a precise question or decision. Specific task contracts reduce wandering searches and make coordinator review possible. The required change is to define a bounded objective, deliverable fields, and stop criteria for that specialist.
Incorrect Answers
A:A research subagent is assigned 'find information' without a precise question or decision. Titles alone can be ambiguous; evidence must survive the handoff in a directly inspectable form. The important technical distinction is that specific task contracts reduce wandering searches and make coordinator review possible. This action would require source URLs or document IDs plus a precise location for each claim instead of define a bounded objective, deliverable fields, and stop criteria for that specialist, so the original fault would persist.
B:Review work has no need to mutate an external site and should remain separate from release authority. The stated situation is that a research subagent is assigned 'find information' without a precise question or decision. Specific task contracts reduce wandering searches and make coordinator review possible. The alternative would exclude publication privileges from specialist review tools and execution policy, but the implementation still must define a bounded objective, deliverable fields, and stop criteria for that specialist to correct that specific failure.
C:A research subagent is assigned 'find information' without a precise question or decision. Incompatible result shapes force the coordinator to guess mappings and drop provenance. The important technical distinction is that specific task contracts reduce wandering searches and make coordinator review possible. This action would standardize the handoff schema while preserving role-specific evidence fields instead of define a bounded objective, deliverable fields, and stop criteria for that specialist, so the original fault would persist.
Question 45
A parent agent expects a fresh spawned subagent to know its earlier refund policy conversation. Which response is best supported by these operational facts?
- Pass the new subagent the latest customer message and recent tool output while omitting the prior refund policy, approval limit, and relevant consent history.
- Exclude publication privileges from specialist review tools and execution policy.
- Ask the new subagent to assume the usual refund limits apply, even though the earlier conversation contained a customer-specific approval.
- Pass policy version, relevant user facts, and approved limits in the new task description.
- Mark the required preference unknown and request or carry authorized context explicitly.
Explanation
Correct Answer
D:A parent agent expects a fresh spawned subagent to know its earlier refund policy conversation. Fresh subagents generally start without the parent's transient dialogue and cannot infer missing customer constraints. Fresh subagents generally start without the parent's transient dialogue and cannot infer missing customer constraints. To meet the stated requirement, the system must pass policy version, relevant user facts, and approved limits in the new task description.
Incorrect Answers
A:The new agent still cannot reconstruct the earlier policy boundary from the latest message or result alone. It needs the approved refund policy version, applicable cap, and customer-specific authorization facts explicitly included in its assignment before acting.
B:Review work has no need to mutate an external site and should remain separate from release authority. The stated situation is that a parent agent expects a fresh spawned subagent to know its earlier refund policy conversation. Fresh subagents generally start without the parent's transient dialogue and cannot infer missing customer constraints. The alternative would exclude publication privileges from specialist review tools and execution policy, but the implementation still must pass policy version, relevant user facts, and approved limits in the new task description to correct that specific failure.
C:A default-limit assumption is not evidence of the actual prior authorization and can reject or issue an improper refund. The parent should carry forward the exact applicable policy and customer-specific approval rather than guess them from generic practice.
E:A parent agent expects a fresh spawned subagent to know its earlier refund policy conversation. A subagent's lack of inherited memory is not license to fabricate a missing customer constraint. The important technical distinction is that fresh subagents generally start without the parent's transient dialogue and cannot infer missing customer constraints. This action would mark the required preference unknown and request or carry authorized context explicitly instead of pass policy version, relevant user facts, and approved limits in the new task description, so the original fault would persist.
Question 46
A subagent returns a citation title without a document locator and the coordinator cannot verify it. Which design adjustment is most suitable under the stated constraints?
- Launch independent searches concurrently and await their results before combining evidence.
- Require source URLs or document IDs plus a precise location for each claim.
- Schedule the report step only after its source-retrieval dependency succeeds.
- Define a bounded objective, deliverable fields, and stop criteria for that specialist.
Explanation
Correct Answer
B:Ask each specialist to return the source URL or stable document ID and the exact page, paragraph, section or snippet supporting each claim. The coordinator can then reopen the evidence and distinguish corroborated findings from plausible titles. A title alone is not an adequate citation locator.
Incorrect Answers
A:Concurrent searches can reduce latency, but they do not make an unlocatable citation verifiable. Three workers can each return a title that cannot be resolved to the actual document or passage. Require concrete source identity and location in the handoff contract.
C:Scheduling the report after retrieval is sensible, but a retrieval step can finish while returning only a document title. Dependency ordering proves a predecessor ran, not that the result is independently checkable. Validate required locator fields before accepting the subagent citation.
D:A bounded objective and explicit stop conditions help focus a specialist, but the current handoff already contains a finding with insufficient provenance. General deliverable fields may still omit the source location. Require citation-specific URL/ID and passage coordinates rather than relying on task scoping alone.
Question 47
A lead agent launches three subagents one after another although their document searches are independent. What targeted change avoids repeating this failure?
- Launch independent searches concurrently and await their results before combining evidence.
- Create isolated specialist branches and compare structured tradeoffs centrally.
- Require source URLs or document IDs plus a precise location for each claim.
- Schedule the report step only after its source-retrieval dependency succeeds.
Explanation
Correct Answer
A:When the three document searches do not depend on each other, launching them concurrently reduces total wait time without changing their evidence contracts. Await all required results and mark missing branches before constructing the combined report. Serial execution adds latency without correctness benefit.
Incorrect Answers
B:Isolated branches and structured comparisons can help when independent teams explore competing proposals, but this case is three straightforward searches. Branch isolation alone does not say that the searches are scheduled concurrently. Parallel independent retrieval followed by one join is the direct corrective change.
C:Source URLs and precise locations are vital for verifiable research, but better citations do not address the lead agent scheduling independent requests one after another. The searches can remain properly sourced and still waste latency if serialized. Start independent retrievals together.
D:The final report must wait for source retrieval it depends on, but this does not imply retrieval tasks depend on one another. Serializing all searches behind a common report dependency is unnecessary. Concurrency applies within the independent predecessor layer; then the report awaits their joined outputs.
Question 48
A coordinator requests a second analysis that should inherit the first investigation's exact decisions. Which corrective action most directly addresses the observed failure?
- Enable additional delegation capacity but give the next analyst no previous session state.
- Ask a fresh specialist to reconstruct prior decisions from its own general knowledge.
- Run unrelated new specialist branches and take a majority vote on what happened in the first investigation.
- Resume or fork the persisted investigation session with the intended decision history available.
Explanation
Correct Answer
D:Resuming the persisted session retains the actual earlier messages and decisions; a correctly configured fork can branch from that saved point. It provides traceable continuity instead of asking a blank specialist to infer history.
Incorrect Answers
A:Permission to spawn more agents solves a missing-tool-capability problem, not a missing-history problem. The new analyst would still lack the actual prior decisions, which may be irrecoverable from the current prompt.
B:General knowledge may provide relevant domain context, but cannot prove which specific options were selected earlier. A new agent could unknowingly contradict the preceding investigation without the recorded history.
C:Multiple guesses do not reconstruct the exact earlier decisions. Majority agreement is not a substitute for a shared authoritative session or structured decision log from the first analysis.
Question 49
A finance specialist receives all customer PII although only totals are needed for its task. Which implementation choice best closes the specific gap described?
- Specify acceptance checks and evidence format in the delegated assignment.
- Define a bounded objective, deliverable fields, and stop criteria for that specialist.
- Pass minimal necessary fields and redact unrelated private records from the subtask.
- Standardize the handoff schema while preserving role-specific evidence fields.
Explanation
Correct Answer
C:Construct a least-privilege task payload containing only the approved numerical inputs and identifiers necessary to reconcile them; redact unrelated names, contact records and sensitive fields. This reduces accidental disclosure through context, logs or subsequent subagent output. Keep any required lookup identity in a separately authorized layer.
Incorrect Answers
A:Acceptance criteria can tell the finance specialist how to calculate and format totals, but they do not limit sensitive input exposure. The agent may still receive addresses, phone numbers or unrelated identifiers in the payload. Enforce field-level minimization before delegation.
B:A bounded task description narrows what the specialist should do but does not remove private data already included in the context. Even a well-behaved model has access to information it did not need. Strip unnecessary PII before sending the handoff to the specialist.
D:A standard handoff schema can improve consistency across specialists, but a generic schema may include broad customer fields by default. Consistency is not the same as necessity. Define role-specific allowlisted fields and redact all others before the finance calculation begins.
Question 50
A parent sends one agent a huge unstructured transcript and the budget is exceeded before analysis. Which architecture decision would most directly meet the stated requirement?
- Pass policy version, relevant user facts, and approved limits in the new task description.
- Specify acceptance checks and evidence format in the delegated assignment.
- Mark the required preference unknown and request or carry authorized context explicitly.
- Extract task-critical facts and small structured evidence into the delegated context.
- Launch independent searches concurrently and await their results before combining evidence.
Explanation
Correct Answer
D:Extract the facts, selected quotations, task state and provenance needed for the delegated analysis into a concise structured handoff. Keep links or exact source identifiers for follow-up retrieval. This avoids wasting the subagent context window on unrelated conversation history.
Incorrect Answers
A:Policy version and approved limits matter to downstream delegation, but transmitting them does not prevent an oversized transcript from exhausting context before analysis. The parent should extract the task-critical pieces and pass only relevant bounded evidence to the subagent.
B:Acceptance checks and evidence formats help verify delegated work, but the worker still cannot analyze if its input budget is consumed by irrelevant transcript history. The actual failure is unstructured context overload, not a missing output contract.
C:Unknown preferences should be represented explicitly rather than invented, but the case already has an oversized existing transcript. Sending all 100 pages along with an unknown marker still exhausts the subagent budget. Summarize the relevant information first.
E:Parallel searches can improve throughput where independent retrievals are required, but splitting an already huge transcript among workers does not automatically provide a usable bounded handoff. Define the evidence subset each specialist needs before delegation or synthesis.
Claude Certified Architect - Foundations (CCA-F) Practice Tests