Microsoft DP-800 Questions & Answers

Page requests return stable bounded records without gaps. However, that result would not establish the required outcome: a permitted category filter works but margin fields remain inaccessible.

Integration tests pass separately for the selected REST and GraphQL operations. However, that result would not establish the required outcome: a permitted category filter works but margin fields remain inaccessible.

Staging resolves its own Azure SQL endpoint and local development still works. However, that result would not establish the required outcome: a permitted category filter works but margin fields remain inaccessible.

Unindexed JSON path predicates can incur expensive row-by-row parsing. The actual technical constraint is that parsing nested arrays into typed rows reduces fragile manual string extraction.

A sequence can allocate numbers independently of one table identity property. The actual technical constraint is that parsing nested arrays into typed rows reduces fragile manual string extraction.

Application-layer validation alone can be bypassed by other writers. The actual technical constraint is that parsing nested arrays into typed rows reduces fragile manual string extraction.

Rebenchmark when model versions or language distribution change. The current task instead requires this action: check supported modalities, retention and safety policy.

Alert on per-document cost and failed queue age. The current task instead requires this action: check supported modalities, retention and safety policy.

Protect queue durability and retry idempotently. The current task instead requires this action: check supported modalities, retention and safety policy.

Window ranking order is defined by its OVER clause, not the outer result sort.

Graph relationships support path queries but still need guarded edge permissions.

A cycle can repeatedly regenerate the same nodes in a recursive CTE.

Checkout commits within SLO while notifications eventually deliver. However, that result would not establish the required outcome: a test UPDATE completes once with expected values and no recursion error.

A filtered test returns only transactions for the specified customer. However, that result would not establish the required outcome: a test UPDATE completes once with expected values and no recursion error.

Representative joins show improved estimates and correct results. However, that result would not establish the required outcome: a test UPDATE completes once with expected values and no recursion error.

Misaligned indexes can block efficient partition maintenance. The actual technical constraint is that partition elimination can reduce scanned partitions when predicates are sargable.

Ledger tamper evidence supports verification; it does not prevent every privileged misuse. The actual technical constraint is that partition elimination can reduce scanned partitions when predicates are sargable.

JSON storage allows flexible attributes without abandoning structured identity and integrity. The actual technical constraint is that partition elimination can reduce scanned partitions when predicates are sargable.

Use transactional change control and rehearse rollback. The current task instead requires this action: measure cardinality and maintain customer-selective indexes.

Separate creation time from event time and validate clock policy.

Use a dedicated serialized legal numbering process if gaplessness is mandatory.

Replacing excessive privileges with minimum SELECT and no UNMASK entitlement would not correct a product owner wants email fields masked only for report consumers but intact in the database. Configure a suitable masking function on the email column and scope UNMASK.

Always Encrypted protects configured column values from the SQL engine during normal processing.

Randomized encryption does not support general plaintext pattern matching inside the engine.

A high-watermark test verifies continued unique allocation within supported limits. However, that result would not establish the required outcome: rollback tests demonstrate permitted gaps without violating key uniqueness.

New monthly rows land in the intended partition after the split. However, that result would not establish the required outcome: rollback tests demonstrate permitted gaps without violating key uniqueness.

Reconciled payment totals match control calculations to the cent. However, that result would not establish the required outcome: rollback tests demonstrate permitted gaps without violating key uniqueness.

Cross-system contracts can fail even when individual SQL procedures are correct. The actual technical constraint is that schema compilation alone does not prove business rules are correct.

Repeatable deployments must not assume reference rows are absent. The actual technical constraint is that schema compilation alone does not prove business rules are correct.

Version control enables traceable schema diffs and rollback planning. The actual technical constraint is that schema compilation alone does not prove business rules are correct.

Reject unknown fields and bound payload size before committing. The current task instead requires this action: document a schema contract and version changes to payload format.

Measure cardinality and maintain customer-selective indexes. The current task instead requires this action: document a schema contract and version changes to payload format.

Audit index alignment after every schema release. The current task instead requires this action: document a schema contract and version changes to payload format.