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Exam Code: DP-800

Exam Name: Developing AI-Enabled Database Solutions

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: SQL AI Developer Associate

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Microsoft DP-800 Practice Test 79

Question 780

A database app sends every retrieved row to inference and incurs high latency and unnecessary token costs. What measurement or test best demonstrates that the requirement is satisfied?

  1. A controlled call reaches the intended service and returns a parseable response under least privilege.
  2. Supported-language queries retrieve relevant authorized evidence and pass localized grounding checks.
  3. Thresholds are linked to measured precision/recall on representative labeled documents.
  4. The prompt stays within model limits and selected evidence still answers benchmark queries.

Explanation

Correct Answer

D:

Prompt context design balances evidence coverage, cost and context-window constraints. The observation “The prompt stays within model limits and selected evidence still answers benchmark queries” directly confirms the chosen action worked for this situation: A database app sends every retrieved row to inference and incurs high latency and unnecessary token costs.

Incorrect Answers

A:

The SQL external REST invocation provides integration with external services but needs strong endpoint security. This observation would not establish that the required result occurred for A database app sends every retrieved row to inference and incurs high latency and unnecessary token costs. The confirming test is: The prompt stays within model limits and selected evidence still answers benchmark queries.

B:

A multilingual generator alone cannot fix cross-language retrieval gaps in the evidence stage. This observation would not establish that the required result occurred for A database app sends every retrieved row to inference and incurs high latency and unnecessary token costs. The confirming test is: The prompt stays within model limits and selected evidence still answers benchmark queries.

C:

Distance metrics are geometric; they are not automatically confidence probabilities. This observation would not establish that the required result occurred for A database app sends every retrieved row to inference and incurs high latency and unnecessary token costs. The confirming test is: The prompt stays within model limits and selected evidence still answers benchmark queries.

Question 781

A data pipeline generates RAG results but hides the document identifiers supporting each claim. What is the most defensible next technical action?

  1. Minimize and protect logged prompt context, secrets and model output under approved retention controls.
  2. Return document IDs, timestamps, and source references alongside grounded model text.
  3. Use sp_invoke_external_rest_endpoint with approved credential and endpoint configuration.
  4. Use a change-driven Azure Function SQL trigger binding for incremental embeddings where appropriate.

Explanation

Correct Answer

B:

Source attribution makes RAG auditable and helps detect stale or unsupported content. For the described situation—A data pipeline generates RAG results but hides the document identifiers supporting each claim—the targeted fix is Return document IDs, timestamps, and source references alongside grounded model text. A successful test should show: Reviewers can reconstruct each material claim from the cited authorized source record.

Incorrect Answers

A:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. But that technique does not solve the stated problem—A data pipeline generates RAG results but hides the document identifiers supporting each claim. The needed intervention is Return document IDs, timestamps, and source references alongside grounded model text.

C:

The SQL external REST invocation provides integration with external services but needs strong endpoint security. But that technique does not solve the stated problem—A data pipeline generates RAG results but hides the document identifiers supporting each claim. The needed intervention is Return document IDs, timestamps, and source references alongside grounded model text.

D:

Incremental triggers reduce cost but must handle retries, deletes, and eventual consistency. But that technique does not solve the stated problem—A data pipeline generates RAG results but hides the document identifiers supporting each claim. The needed intervention is Return document IDs, timestamps, and source references alongside grounded model text.

Question 782

A data pipeline generates RAG results but hides the document identifiers supporting each claim. Which result distinguishes a successful implementation from a cosmetic change?

  1. Reviewers can reconstruct each material claim from the cited authorized source record.
  2. The model references the intended current rows and excludes data from other customers.
  3. Supported-language queries retrieve relevant authorized evidence and pass localized grounding checks.
  4. Test vectors with equal direction but different magnitude rank as intended by the chosen metric.

Explanation

Correct Answer

A:

Source attribution makes RAG auditable and helps detect stale or unsupported content. The observation “Reviewers can reconstruct each material claim from the cited authorized source record” directly confirms the chosen action worked for this situation: A data pipeline generates RAG results but hides the document identifiers supporting each claim.

Incorrect Answers

B:

An external model cannot infer unpublished transactional state; it needs explicit scoped retrieved context. This observation would not establish that the required result occurred for A data pipeline generates RAG results but hides the document identifiers supporting each claim. The confirming test is: Reviewers can reconstruct each material claim from the cited authorized source record.

C:

A multilingual generator alone cannot fix cross-language retrieval gaps in the evidence stage. This observation would not establish that the required result occurred for A data pipeline generates RAG results but hides the document identifiers supporting each claim. The confirming test is: Reviewers can reconstruct each material claim from the cited authorized source record.

D:

Vector normalization and distance metric choice determine whether magnitude affects ranking. This observation would not establish that the required result occurred for A data pipeline generates RAG results but hides the document identifiers supporting each claim. The confirming test is: Reviewers can reconstruct each material claim from the cited authorized source record.

Question 783

A user needs to trace a generated recommendation back to the SQL rows and policy versions used. Which solution is the most appropriate for the scenario?

  1. Limit and rerank retrieved context using measured chunk relevance and a token budget.
  2. Use multilingual embeddings or query translation with representative cross-language testing.
  3. Return document IDs, timestamps, and source references alongside grounded model text.
  4. Propagate delete events or tombstones through the embedding maintenance workflow.

Explanation

Correct Answer

C:

Source attribution makes RAG auditable and helps detect stale or unsupported content. For the described situation—A user needs to trace a generated recommendation back to the SQL rows and policy versions used—the targeted fix is Return document IDs, timestamps, and source references alongside grounded model text. A successful test should show: Reviewers can reconstruct each material claim from the cited authorized source record.

Incorrect Answers

A:

Prompt context design balances evidence coverage, cost and context-window constraints. But that technique does not solve the stated problem—A user needs to trace a generated recommendation back to the SQL rows and policy versions used. The needed intervention is Return document IDs, timestamps, and source references alongside grounded model text.

B:

A multilingual generator alone cannot fix cross-language retrieval gaps in the evidence stage. But that technique does not solve the stated problem—A user needs to trace a generated recommendation back to the SQL rows and policy versions used. The needed intervention is Return document IDs, timestamps, and source references alongside grounded model text.

D:

Embedding lifecycle includes deletions; leaving orphan vectors leaks stale or revoked material. But that technique does not solve the stated problem—A user needs to trace a generated recommendation back to the SQL rows and policy versions used. The needed intervention is Return document IDs, timestamps, and source references alongside grounded model text.

Question 784

A user needs to trace a generated recommendation back to the SQL rows and policy versions used. What should a technical reviewer verify before approving completion?

  1. Security tests show protected fields are masked or omitted and access is limited to approved roles.
  2. A controlled call reaches the intended service and returns a parseable response under least privilege.
  3. Reviewers can reconstruct each material claim from the cited authorized source record.
  4. Only affected records are re-embedded and change replay does not duplicate entries.

Explanation

Correct Answer

C:

Source attribution makes RAG auditable and helps detect stale or unsupported content. The observation “Reviewers can reconstruct each material claim from the cited authorized source record” directly confirms the chosen action worked for this situation: A user needs to trace a generated recommendation back to the SQL rows and policy versions used.

Incorrect Answers

A:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. This observation would not establish that the required result occurred for A user needs to trace a generated recommendation back to the SQL rows and policy versions used. The confirming test is: Reviewers can reconstruct each material claim from the cited authorized source record.

B:

The SQL external REST invocation provides integration with external services but needs strong endpoint security. This observation would not establish that the required result occurred for A user needs to trace a generated recommendation back to the SQL rows and policy versions used. The confirming test is: Reviewers can reconstruct each material claim from the cited authorized source record.

D:

Incremental triggers reduce cost but must handle retries, deletes, and eventual consistency. This observation would not establish that the required result occurred for A user needs to trace a generated recommendation back to the SQL rows and policy versions used. The confirming test is: Reviewers can reconstruct each material claim from the cited authorized source record.

Question 785

An application stores the full AI prompt and customer account numbers in unsecured log tables. What should the SQL developer implement after verifying the conditions?

  1. Return document IDs, timestamps, and source references alongside grounded model text.
  2. Parse the documented JSON response using JSON_VALUE or OPENJSON with the correct envelope path.
  3. Minimize and protect logged prompt context, secrets and model output under approved retention controls.
  4. Chunk documents by meaningful sections with measured size and overlap appropriate to the model.

Explanation

Correct Answer

C:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. For the described situation—An application stores the full AI prompt and customer account numbers in unsecured log tables—the targeted fix is Minimize and protect logged prompt context, secrets and model output under approved retention controls. A successful test should show: Security tests show protected fields are masked or omitted and access is limited to approved roles.

Incorrect Answers

A:

Source attribution makes RAG auditable and helps detect stale or unsupported content. But that technique does not solve the stated problem—An application stores the full AI prompt and customer account numbers in unsecured log tables. The needed intervention is Minimize and protect logged prompt context, secrets and model output under approved retention controls.

B:

External REST responses contain nested service metadata; parsing must match the provider's actual schema. But that technique does not solve the stated problem—An application stores the full AI prompt and customer account numbers in unsecured log tables. The needed intervention is Minimize and protect logged prompt context, secrets and model output under approved retention controls.

D:

Chunk design affects semantic precision, context length, and retrieval coverage. But that technique does not solve the stated problem—An application stores the full AI prompt and customer account numbers in unsecured log tables. The needed intervention is Minimize and protect logged prompt context, secrets and model output under approved retention controls.

Question 786

An application stores the full AI prompt and customer account numbers in unsecured log tables. Which verification finding is most specific to this scenario?

  1. The model references the intended current rows and excludes data from other customers.
  2. After a documented content update, generated answers cite the newest approved record within the service target.
  3. Security tests show protected fields are masked or omitted and access is limited to approved roles.
  4. The job completes all items without dropped rows or runaway retry traffic.

Explanation

Correct Answer

C:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. The observation “Security tests show protected fields are masked or omitted and access is limited to approved roles” directly confirms the chosen action worked for this situation: An application stores the full AI prompt and customer account numbers in unsecured log tables.

Incorrect Answers

A:

An external model cannot infer unpublished transactional state; it needs explicit scoped retrieved context. This observation would not establish that the required result occurred for An application stores the full AI prompt and customer account numbers in unsecured log tables. The confirming test is: Security tests show protected fields are masked or omitted and access is limited to approved roles.

B:

RAG correctness depends on source freshness, embedding maintenance, and end-to-end regression testing. This observation would not establish that the required result occurred for An application stores the full AI prompt and customer account numbers in unsecured log tables. The confirming test is: Security tests show protected fields are masked or omitted and access is limited to approved roles.

D:

Embedding generation is an external service workload; throughput, costs, and quota controls matter. This observation would not establish that the required result occurred for An application stores the full AI prompt and customer account numbers in unsecured log tables. The confirming test is: Security tests show protected fields are masked or omitted and access is limited to approved roles.

Question 787

A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. Which approach achieves the intended result without bypassing the stated controls?

  1. Use sp_invoke_external_rest_endpoint with approved credential and endpoint configuration.
  2. Return document IDs, timestamps, and source references alongside grounded model text.
  3. Minimize and protect logged prompt context, secrets and model output under approved retention controls.
  4. Propagate delete events or tombstones through the embedding maintenance workflow.

Explanation

Correct Answer

C:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. For the described situation—A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request—the targeted fix is Minimize and protect logged prompt context, secrets and model output under approved retention controls. A successful test should show: Security tests show protected fields are masked or omitted and access is limited to approved roles.

Incorrect Answers

A:

The SQL external REST invocation provides integration with external services but needs strong endpoint security. But that technique does not solve the stated problem—A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. The needed intervention is Minimize and protect logged prompt context, secrets and model output under approved retention controls.

B:

Source attribution makes RAG auditable and helps detect stale or unsupported content. But that technique does not solve the stated problem—A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. The needed intervention is Minimize and protect logged prompt context, secrets and model output under approved retention controls.

D:

Embedding lifecycle includes deletions; leaving orphan vectors leaks stale or revoked material. But that technique does not solve the stated problem—A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. The needed intervention is Minimize and protect logged prompt context, secrets and model output under approved retention controls.

Question 788

A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. How should the team validate the selected design?

  1. Security tests show protected fields are masked or omitted and access is limited to approved roles.
  2. After a documented content update, generated answers cite the newest approved record within the service target.
  3. The user sees the actual assistant content while errors and metadata are processed separately.
  4. The chosen index passes minimum recall and latency thresholds on representative queries.

Explanation

Correct Answer

A:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. The observation “Security tests show protected fields are masked or omitted and access is limited to approved roles” directly confirms the chosen action worked for this situation: A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request.

Incorrect Answers

B:

RAG correctness depends on source freshness, embedding maintenance, and end-to-end regression testing. This observation would not establish that the required result occurred for A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. The confirming test is: Security tests show protected fields are masked or omitted and access is limited to approved roles.

C:

External REST responses contain nested service metadata; parsing must match the provider's actual schema. This observation would not establish that the required result occurred for A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. The confirming test is: Security tests show protected fields are masked or omitted and access is limited to approved roles.

D:

ANN tuning requires a measured quality-performance tradeoff, not just benchmark QPS. This observation would not establish that the required result occurred for A SQL-to-model service logs unredacted prompts and endpoint secrets for debugging every request. The confirming test is: Security tests show protected fields are masked or omitted and access is limited to approved roles.

Question 789

An AI customer-service reply must be generated after running a parameterized query against the latest order status. What intervention should the responsible engineer choose?

  1. Minimize and protect logged prompt context, secrets and model output under approved retention controls.
  2. Limit and rerank retrieved context using measured chunk relevance and a token budget.
  3. Order the pipeline as authenticated retrieve, serialize, prompt, invoke, parse and verify before responding.
  4. Use compatible embedding model versions and dimensions for documents and queries.

Explanation

Correct Answer

C:

RAG pipelines must retrieve and validate authoritative state before generation, not after sending speculative text. For the described situation—An AI customer-service reply must be generated after running a parameterized query against the latest order status—the targeted fix is Order the pipeline as authenticated retrieve, serialize, prompt, invoke, parse and verify before responding. A successful test should show: A recent status change appears correctly in the response with source evidence and no cross-account leakage.

Incorrect Answers

A:

RAG telemetry can leak retrieved sensitive records unless logging and retention are governed. But that technique does not solve the stated problem—An AI customer-service reply must be generated after running a parameterized query against the latest order status. The needed intervention is Order the pipeline as authenticated retrieve, serialize, prompt, invoke, parse and verify before responding.

B:

Prompt context design balances evidence coverage, cost and context-window constraints. But that technique does not solve the stated problem—An AI customer-service reply must be generated after running a parameterized query against the latest order status. The needed intervention is Order the pipeline as authenticated retrieve, serialize, prompt, invoke, parse and verify before responding.

D:

Vector distance is meaningful only when source and query representations share compatible model geometry. But that technique does not solve the stated problem—An AI customer-service reply must be generated after running a parameterized query against the latest order status. The needed intervention is Order the pipeline as authenticated retrieve, serialize, prompt, invoke, parse and verify before responding.

Question 790

An AI customer-service reply must be generated after running a parameterized query against the latest order status. What observable outcome proves the recommendation worked?

  1. A recent status change appears correctly in the response with source evidence and no cross-account leakage.
  2. A controlled call reaches the intended service and returns a parseable response under least privilege.
  3. Prompts containing quotes and Unicode round-trip through valid JSON without malformed requests.
  4. A test query executes with the intended vector index and returns ten ranked candidates.

Explanation

Correct Answer

A:

RAG pipelines must retrieve and validate authoritative state before generation, not after sending speculative text. The observation “A recent status change appears correctly in the response with source evidence and no cross-account leakage” directly confirms the chosen action worked for this situation: An AI customer-service reply must be generated after running a parameterized query against the latest order status.

Incorrect Answers

B:

The SQL external REST invocation provides integration with external services but needs strong endpoint security. This observation would not establish that the required result occurred for An AI customer-service reply must be generated after running a parameterized query against the latest order status. The confirming test is: A recent status change appears correctly in the response with source evidence and no cross-account leakage.

C:

Structured JSON construction handles escaping and schema rather than naive string concatenation. This observation would not establish that the required result occurred for An AI customer-service reply must be generated after running a parameterized query against the latest order status. The confirming test is: A recent status change appears correctly in the response with source evidence and no cross-account leakage.

D:

Vector-search syntax and index versions evolve; deprecated preview APIs should not be carried into production untested. This observation would not establish that the required result occurred for An AI customer-service reply must be generated after running a parameterized query against the latest order status. The confirming test is: A recent status change appears correctly in the response with source evidence and no cross-account leakage.

Developing AI-Enabled Database Solutions (DP-800) Practice Tests