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Exam Code: DP-700

Exam Name Implementing Data Engineering Solutions Using Microsoft Fabric

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: Fabric Data Engineer Associate

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Implementing Data Engineering Solutions Using Microsoft Fabric (DP-700) Practice Tests

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Microsoft DP-700 Practice Test 56

Question 550

Many Spark jobs start together and some remain queued despite having no code errors. What should the engineer check to confirm that the intended behavior was achieved?

  1. Queued duration decreases after permitted capacity or scheduling adjustments.
  2. The logical plan resolves every intended column and sample output is correct.
  3. A fresh session on the chosen runtime executes the failing package call successfully.
  4. A bad-value fixture is isolated and valid rows refresh correctly.

Explanation

Correct Answer

A:

Queue metrics show the bottleneck was scheduling pressure. This observation directly tests the expected outcome.

Incorrect Answers

B:

Schema resolution and data validation confirm repair.

C:

Version and successful reproduction validate compatibility.

D:

Controlled rejection validates transformation resilience.

Question 551

A notebook's overall duration rises but it is unclear which cell or Spark stage is responsible. Which observation most directly verifies the intended outcome after the appropriate action?

  1. Slow and baseline executions have comparable inputs but differing resource or duration evidence.
  2. The slow stage appears with disproportionately high execution duration.
  3. The slow request appears with its session and elapsed state during execution.
  4. The failing stack trace or executor event is present and correlates to the run ID.

Explanation

Correct Answer

B:

Granular timing identifies the actual hot spot. This observation directly tests the expected outcome.

Incorrect Answers

A:

Controlled comparisons validate a query regression.

C:

A live DMV record establishes the query-level bottleneck.

D:

Correlated logs support root-cause analysis.

Question 552

A pipeline must inspect whether a file exists and choose either initial load or incremental processing. Which observation most directly verifies the intended outcome after the appropriate action?

  1. Fact processing starts only after both dimension branches finish successfully.
  2. The initial and existing-file test runs execute different branches as designed.
  3. Runs with two parameter values read from their corresponding intended paths.
  4. Manual runs handle absent event fields gracefully while event-triggered runs resolve the file name.

Explanation

Correct Answer

B:

Observed branch selection proves the condition is evaluated correctly. This observation directly tests the expected outcome.

Incorrect Answers

A:

Activity timestamps and prerequisites validate coordinated fan-in.

C:

Parameter-to-actual-path mapping validates runtime substitution.

D:

Success in both invocation modes validates the null-handling logic.

Question 553

A KQL query returns no older telemetry because the relevant native table's retention period has already elapsed. Which observation most directly verifies the intended outcome after the appropriate action?

  1. Run inputs show the intended resolved path and the source file is found.
  2. Future data follows the intended retention window and historic gaps are documented honestly.
  3. The intended failure-handling branch runs and invalid data never reaches promotion.
  4. The item appears in the intended section and is accessible using the appropriate engine.

Explanation

Correct Answer

B:

Policy and observed availability distinguish retention from query errors. This observation directly tests the expected outcome.

Incorrect Answers

A:

Effective path plus file discovery validates the correction.

C:

Activity states demonstrate correct error routing.

D:

Correct registration proves the format-to-location match.

Question 554

An orchestration pipeline leaves downstream work pending because a success-only dependency follows an intentionally failed validation activity. Which observation most directly verifies the intended outcome after the appropriate action?

  1. Run inputs show the intended resolved path and the source file is found.
  2. The item appears in the intended section and is accessible using the appropriate engine.
  3. A rerun authenticates and begins reading source rows with the approved identity.
  4. The intended failure-handling branch runs and invalid data never reaches promotion.

Explanation

Correct Answer

D:

Activity states demonstrate correct error routing. This observation directly tests the expected outcome.

Incorrect Answers

A:

Effective path plus file discovery validates the correction.

B:

Correct registration proves the format-to-location match.

C:

Successful source access confirms credential repair.

Question 555

Consider this Microsoft Fabric case: Too many tiny Spark shuffle partitions create thousands of tasks for a small dataset. What measured result demonstrates that the requirement is satisfied?

  1. Task count falls and total runtime improves.
  2. Measured resource consumption falls with acceptable runtime.
  3. Selective customer predicates skip more files.
  4. File count decreases without row loss.

Explanation

Correct Answer

A:

Task stats and correctness validate tuning. This observation directly tests the expected outcome.

Incorrect Answers

B:

Benchmark and cost establish improvement.

C:

Pruning statistics verify the layout.

D:

File and record checks validate the change.

Question 556

A security architect wants to combine OneLake write access and table row-level filtering in one OneLake security role for the same user, but the role editor does not offer row-level constraints with ReadWrite. The engineer implements this change: separate writer identities from read-only constrained identities, and apply RLS in a OneLake Read-only role. Which observed result would provide the most direct evidence that the change achieved its intended goal?

  1. A member with target access reads data through the shortcut, while unprivileged attempts fail.
  2. After the approved guest-access policy change, the guest's authorized data query succeeds.
  3. The read-only principal sees only the permitted rows, while the separate writer principal has its intended ReadWrite role without an RLS or CLS rule.
  4. The affected identity eventually resolves the revised role across the intended querying engines.

Explanation

Correct Answer

C:

Distinct principal memberships and tested access demonstrate that RLS is not bypassed through an overlapping unrestricted writer grant. It specifically confirms the result of this change: Separate writer identities from read-only constrained identities, and apply RLS in a OneLake Read-only role.

Incorrect Answers

A:

End-to-end source authorization is necessary beyond the Fabric item share. It does not establish the required result, which is: The read-only principal sees only the permitted rows, while the separate writer principal has its intended ReadWrite role without an RLS or CLS rule.

B:

Guest-specific test confirms identity prerequisites, not only role membership. It does not establish the required result, which is: The read-only principal sees only the permitted rows, while the separate writer principal has its intended ReadWrite role without an RLS or CLS rule.

D:

Effective post-propagation access is the useful validation rather than immediate UI membership. It does not establish the required result, which is: The read-only principal sees only the permitted rows, while the separate writer principal has its intended ReadWrite role without an RLS or CLS rule.

Question 557

Consider this Microsoft Fabric case: A scheduled ingestion should run on two distinct times each day and needs different runtime parameter values for each window. What measured result demonstrates that the requirement is satisfied?

  1. Runs with two parameter values read from their corresponding intended paths.
  2. Fact processing starts only after both dimension branches finish successfully.
  3. Runs at both times show the appropriate schedule and parameter payload.
  4. The loop stops on success and times out when the external status never changes.

Explanation

Correct Answer

C:

Schedule-to-run parameter matching confirms multi-window orchestration. This observation directly tests the expected outcome.

Incorrect Answers

A:

Parameter-to-actual-path mapping validates runtime substitution.

B:

Activity timestamps and prerequisites validate coordinated fan-in.

D:

Both terminal outcomes validate bounded polling.

Question 558

KQL telemetry contains nested dynamic payloads and the query needs a scalar device temperature. What should the engineer check to confirm that the intended behavior was achieved?

  1. Temperature test events reach the destination and pressure events do not.
  2. A value above the threshold is flagged while a value below is not.
  3. Known events contribute to the expected overlapping window outputs.
  4. A known payload yields its correct numeric temperature for aggregation.

Explanation

Correct Answer

D:

Value and type checks validate extraction. This observation directly tests the expected outcome.

Incorrect Answers

A:

Both included and excluded events validate the predicate.

B:

Boundary samples validate the predicate.

C:

Window memberships validate hop and duration.

Question 559

Consider this Microsoft Fabric case: A warehouse receives new credit-card columns, and policy requires visible results to hide all but a few identifying digits for support staff. What measured result demonstrates that the requirement is satisfied?

  1. An analyst can select allowed columns but receives an authorization error for Salary.
  2. The same SQL statement returns distinct authorized subsets under test identities.
  3. Support queries show only the designated visible digits and obfuscated remaining content.
  4. The contractor queries the view but cannot modify items or read protected base objects.

Explanation

Correct Answer

C:

The result shape verifies the intended masking format. This observation directly tests the expected outcome.

Incorrect Answers

A:

Denied access to the protected column demonstrates enforcement.

B:

An unchanged query with identity-dependent results validates dynamic RLS.

D:

A narrow success case and denied excess privileges validate corrected least privilege.

Question 560

A fraud detector wants ten-minute windows that refresh every two minutes. Which observation most directly verifies the intended outcome after the appropriate action?

  1. Recent incoming events are available in Eventhouse with expected ingestion freshness.
  2. New source events produce transformed target rows with expected field values.
  3. Known events contribute to the expected overlapping window outputs.
  4. Every sample event contributes to the intended single window.

Explanation

Correct Answer

C:

Window memberships validate hop and duration. This observation directly tests the expected outcome.

Incorrect Answers

A:

Direct event availability verifies the hot path.

B:

Ingested target output validates policy execution.

D:

Boundary records confirm nonoverlapping grouping.