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Developing AI-Enabled Database Solutions DP-800 Practice Test 5

Question 40

A SQL workload calls an AI model endpoint and code contains a static API key

Which SQL design or implementation decision most directly addresses this requirement?

  1. Configure Dynamic Data Masking for the least-privileged viewing role
  2. Enable database auditing with the required event groups, destination and retention
  3. Set and clear trusted SESSION_CONTEXT tenant claims safely for every borrowed session
  4. Use a managed identity or approved token-based authentication for the model endpoint

Explanation

Correct Answer

D:

Identity-based model calls reduce secret sprawl and allow endpoint permissions to be scoped and revoked.

Incorrect Answers

A:

Dynamic Data Masking changes query presentation for covered low-privilege principals but is not cryptographic encryption.

B:

Auditing generates event evidence of SQL activity but must be configured for relevant actions and protected storage.

C:

RLS predicates must receive authenticated tenant context and connection pooling can retain session state unless managed.

Question 41

A tool needs SQL database schema to generate a stored procedure but lacks its column names

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. Compiled and reviewed SQL references only existing approved columns and tables
  2. A seeded malicious comment does not trigger export or additional tool invocation
  3. A predeployment check flags the unauthorized DROP operation and blocks deployment
  4. An authorized workspace member can invoke the supported Copilot feature while an excluded role cannot

Explanation

Correct Answer

A:

Grounded schema context helps prevent nonexistent objects but still requires verification of generated SQL.

Incorrect Answers

B:

Prompt injection in tool output must not grant new authority or override the application trust boundary.

C:

Natural-language prompts do not guarantee safe SQL, so explicit statement-level approval protects critical schema.

D:

Copilot features depend on administrative eligibility and workspace settings rather than appearing automatically for every user.

Question 42

A SQL Server 2025 vector search experiment needs a graph-like approximate vector index subject to platform support

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. An approved configuration meets both minimum recall and maximum latency budgets
  2. A deleted document is absent from search results after the defined update SLA
  3. The indexed query's p95 latency scales acceptably and measured recall stays above the agreed floor
  4. The index builds on a supported platform and measured recall and latency satisfy requirements

Explanation

Correct Answer

D:

DiskANN is an approximate-neighbor indexing approach, not a substitute for valid model dimensions and authorization.

Incorrect Answers

A:

Fast response alone is not sufficient; index parameters shift the speed-quality tradeoff.

B:

Index freshness includes removal as well as addition and edits; stale documents can yield harmful answers.

C:

ANN index retrieval can reduce full-scan cost if accuracy requirements permit, while brute-force evaluation remains a reference.

Question 43

A tool needs SQL database schema to generate a stored procedure but lacks its column names

Which SQL design or implementation decision most directly addresses this requirement?

  1. Select the approved model option and confirm its organizational data controls before sending prompts
  2. Compare generated SQL against security predicates and regression tests before merging
  3. Configure GitHub Copilot entitlement and repository controls under organizational policy
  4. Supply vetted schema metadata through a governed read-only tool rather than invent names

Explanation

Correct Answer

D:

Grounded schema context helps prevent nonexistent objects but still requires verification of generated SQL.

Incorrect Answers

A:

Model choice affects capability and governance, and prompts must stay within the approved service boundary.

B:

AI-generated rewrites can silently alter authorization or semantics even if syntactically valid.

C:

License and repository settings enable assistance while source and secret access boundaries remain separate controls.

Question 44

An execution plan compiled for a small tenant is reused for a very large tenant

Which SQL design or implementation decision most directly addresses this requirement?

  1. Investigate parameter sensitivity with Query Store and use an appropriate plan strategy
  2. Refresh relevant statistics and evaluate automatic statistics maintenance policy
  3. Review actual plans and add a selective useful index aligned with the predicate
  4. Find blocking session chains and shorten or correctly scope the transaction

Explanation

Correct Answer

A:

A cached plan based on one parameter distribution may be unsuitable for another; forced plans or hints need evidence.

Incorrect Answers

B:

Statistics provide distribution estimates that influence cardinality and join strategy choices.

C:

The optimizer may scan without a suitable search path; index keys should reflect frequently filtered columns.

D:

Blocking is caused by incompatible locks; addressing the head blocker is different from killing every waiting request.

Question 45

An AI data team needs observability without disclosing request payloads or credentials

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A new document completes every approved connector step or produces a traceable retry/failure
  2. Failures are traceable by request ID while logs exclude secrets and protected document text
  3. A test database session resolves the expected model and unauthorized roles cannot invoke it
  4. Benchmark recall meets targets with fewer redundant chunks and lower embedding spend

Explanation

Correct Answer

B:

Operational logs can reveal sensitive source text or access tokens if not carefully configured.

Incorrect Answers

A:

Logic Apps coordinates cross-service actions and retries but does not eliminate the need for idempotency.

C:

A governed model object can centralize endpoint and identity parameters for supported SQL AI operations.

D:

Excess overlap duplicates tokens and vectors; insufficient overlap may split a needed answer across boundaries.

Question 46

An assistant presents an answer as certain even when retrieved rows do not contain enough information

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. A nonanswerable test question produces a clear insufficient-evidence response without fabricated citations
  2. A malicious model response cannot perform a write and only approved validated updates are executed
  3. A permitted test call reaches the intended model endpoint and response status is handled explicitly
  4. Network payload inspection shows only permitted aggregates/columns and no raw confidential identifiers

Explanation

Correct Answer

A:

RAG context can be missing or ambiguous; the model must not fill unsupported gaps with invented facts.

Incorrect Answers

B:

Model output is untrusted data and must not be treated as authorized executable SQL.

C:

The stored procedure can call an external REST endpoint under its security/configuration limits; the caller must handle HTTP errors and quotas.

D:

Data minimization reduces privacy exposure, inference risk and token costs without impairing the specific answer.

Question 47

An SQL coding assistant proposes dropping an index and says no manual review is necessary

Which SQL design or implementation decision most directly addresses this requirement?

  1. Configure GitHub Copilot entitlement and repository controls under organizational policy
  2. Treat retrieved database contents as untrusted data and restrict tools independently of their text
  3. Replace raw sensitive values with sanitized schema and sample fixtures before invoking the AI tool
  4. Run generated SQL through code review, controlled testing and authorized deployment gates

Explanation

Correct Answer

D:

AI suggestions can contain incorrect assumptions or unsafe migrations and are not self-approving change tickets.

Incorrect Answers

A:

License and repository settings enable assistance while source and secret access boundaries remain separate controls.

B:

Prompt injection in tool output must not grant new authority or override the application trust boundary.

C:

AI-assisted code generation does not waive data classification, retention and exposure restrictions.

Question 48

A team needs low-latency change events from a supported Fabric SQL workload to a consuming service

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. An inserted, updated and deleted fixture produces the expected downstream CDC records
  2. Replaying the same change does not duplicate business data and checkpoint recovery catches up accurately
  3. Unauthenticated requests fail where required and test role claims allow only approved queries
  4. A test insert produces the expected event and the subscriber can replay or recover according to its contract

Explanation

Correct Answer

D:

CES can publish database changes into an event architecture, but supported platform and ordering guarantees must be checked.

Incorrect Answers

A:

CDC records changes from the transaction log for downstream consumption, but latency and retention need management.

B:

At-least-once delivery and retries require idempotent consumers rather than relying on exactly-once invocation.

C:

Application identity, API entity permissions and SQL authorization must jointly prevent overbroad access.

Question 49

A legacy table contains an internal reference number that must be encrypted but clients require server-side processing

After the team applies the intended design, which observation would most directly verify that the specific requirement was met?

  1. Sequential tests from two tenants on a reused connection never return the first tenant's data to the second
  2. A permitted identity invokes the model and an unauthorized identity receives an access-denied response
  3. Authorized SQL decryption returns the correct value while permissions block unauthorized key use
  4. Test GRANT and denied SELECT events appear with identity, time and action at the audit destination

Explanation

Correct Answer

C:

Server-side column encryption is different from Always Encrypted: the engine may decrypt for authorized server operations.

Incorrect Answers

A:

RLS predicates must receive authenticated tenant context and connection pooling can retain session state unless managed.

B:

Identity-based model calls reduce secret sprawl and allow endpoint permissions to be scoped and revoked.

D:

Auditing generates event evidence of SQL activity but must be configured for relevant actions and protected storage.

Question 50

A cost review requires targeted vector refresh rather than full-table recomputation

Which SQL design or implementation decision most directly addresses this requirement?

  1. Use hashes or change versions to re-embed only meaningful changed content
  2. Evaluate a multimodal model with supported image/text inputs for the required task
  3. Implement a reliable incremental embedding maintenance workflow with change capture and retries
  4. Evaluate change event streaming on the supported platform and validate its delivery contract

Explanation

Correct Answer

A:

Incremental content tracking saves model calls and avoids rewriting vectors with no semantic change.

Incorrect Answers

B:

A text-only model cannot directly process raw images, while multimodal inputs require tested format, cost and safety handling.

C:

Embedding freshness requires detecting source changes and re-embedding only changed meaningful content.

D:

CES integrates supported SQL changes into event consumers; exact guarantees and availability must be checked.

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

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