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Certified Data Engineer Associate Practice Test 38

Question 370

One ETL workflow should execute in production and staging with different output catalog names but the same notebook code.

Which acceptance result most directly demonstrates that the intended solution works?

  1. The log shows delayed retries and eventual successful completion when the source recovers.
  2. The revised graph avoids unintended simultaneous conflicting target updates.
  3. A rerun against a recorded release version produces the same logic as the original approved deployment.
  4. A staging run writes only to staging tables and production uses its authorized catalog.

Explanation

Correct Answer

D:

Runtime configuration separates environment routing from transformation logic.

Incorrect Answers

A:

The log shows delayed retries and eventual successful completion when the source recovers. That finding does not establish that a staging run writes only to staging tables and production uses its authorized catalog.

B:

The revised graph avoids unintended simultaneous conflicting target updates. That finding does not establish that a staging run writes only to staging tables and production uses its authorized catalog.

C:

A rerun against a recorded release version produces the same logic as the original approved deployment. That finding does not establish that a staging run writes only to staging tables and production uses its authorized catalog.

Question 371

A task repeatedly hits a transient rate limit and operators want to avoid immediate repeated retries that overload the source.

Which implementation decision best addresses this requirement?

  1. Set an appropriate expected runtime or duration monitoring alert in addition to failure notifications.
  2. Set retry interval and bounded attempts to respect the external system's recovery window.
  3. Bind task resources and execution context to the intended environment-specific workspace.
  4. Configure a finite maximum retries setting and an error notification for exhausted attempts.

Explanation

Correct Answer

B:

Time-spaced retries avoid magnifying transient saturation and preserve a finite failure policy. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

A run can violate freshness objectives without entering a failed terminal status.

C:

Successful execution alone does not prove the job ran against the approved environment.

D:

Bounded recovery protects resources and makes a persistent failure visible to operators.

Question 372

A task repeatedly hits a transient rate limit and operators want to avoid immediate repeated retries that overload the source.

Which acceptance result most directly demonstrates that the intended solution works?

  1. The log shows delayed retries and eventual successful completion when the source recovers.
  2. A simulated stalled run triggers a duration alert before it misses the downstream SLA.
  3. The production run updates only the production dashboard identified by its governed resource reference.
  4. After the configured retries are exhausted, the task enters a terminal failure state and notifies the owner.

Explanation

Correct Answer

A:

Time-spaced retries avoid magnifying transient saturation and preserve a finite failure policy.

Incorrect Answers

B:

A simulated stalled run triggers a duration alert before it misses the downstream SLA. That finding does not establish that the log shows delayed retries and eventual successful completion when the source recovers.

C:

The production run updates only the production dashboard identified by its governed resource reference. That finding does not establish that the log shows delayed retries and eventual successful completion when the source recovers.

D:

After the configured retries are exhausted, the task enters a terminal failure state and notifies the owner. That finding does not establish that the log shows delayed retries and eventual successful completion when the source recovers.

Question 373

A monitoring team sees that a job has started executing significantly longer than the agreed deadline but only checks terminal success or failure notifications.

Which implementation decision best addresses this requirement?

  1. Serialize the conflicting updates in the DAG or redesign the write coordination.
  2. Use task-state inspection to identify the original failure and which successors were skipped.
  3. Set an appropriate expected runtime or duration monitoring alert in addition to failure notifications.
  4. Choose a trigger and run-frequency configuration that honors the hourly SLA while avoiding excessive redundant work.

Explanation

Correct Answer

C:

A run can violate freshness objectives without entering a failed terminal status. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

Conflicting writes can cause transaction contention or unintended business outcomes even with transactional Delta storage.

B:

Skipped tasks often represent unmet prerequisites rather than independent execution defects.

D:

Data-driven triggering can be tuned to balance processing cost and tolerated delay.

Question 374

A monitoring team sees that a job has started executing significantly longer than the agreed deadline but only checks terminal success or failure notifications.

Which acceptance result most directly demonstrates that the intended solution works?

  1. A simulated stalled run triggers a duration alert before it misses the downstream SLA.
  2. The revised graph avoids unintended simultaneous conflicting target updates.
  3. The runbook records the root failed task and its downstream skipped dependents accurately.
  4. A burst of updates produces a bounded number of report runs and freshness remains within one hour.

Explanation

Correct Answer

A:

A run can violate freshness objectives without entering a failed terminal status.

Incorrect Answers

B:

The revised graph avoids unintended simultaneous conflicting target updates. That finding does not establish that a simulated stalled run triggers a duration alert before it misses the downstream SLA.

C:

The runbook records the root failed task and its downstream skipped dependents accurately. That finding does not establish that a simulated stalled run triggers a duration alert before it misses the downstream SLA.

D:

A burst of updates produces a bounded number of report runs and freshness remains within one hour. That finding does not establish that a simulated stalled run triggers a duration alert before it misses the downstream SLA.

Question 375

A job uses two pipelines that update the same Delta target concurrently without an agreed isolation strategy.

Which implementation decision best addresses this requirement?

  1. Bind task resources and execution context to the intended environment-specific workspace.
  2. Use reviewed deployed code versions or immutable source references for production task runs.
  3. Assign the SQL query task a compatible warehouse and execution identity.
  4. Serialize the conflicting updates in the DAG or redesign the write coordination.

Explanation

Correct Answer

D:

Conflicting writes can cause transaction contention or unintended business outcomes even with transactional Delta storage. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

Successful execution alone does not prove the job ran against the approved environment.

B:

Reproducibility requires controlled source revisions rather than relying on changing interactive notebook state.

C:

Each job task type has its own compute and resource requirements that must be set explicitly.

Question 376

A job uses two pipelines that update the same Delta target concurrently without an agreed isolation strategy.

Which acceptance result most directly demonstrates that the intended solution works?

  1. The production run updates only the production dashboard identified by its governed resource reference.
  2. The revised graph avoids unintended simultaneous conflicting target updates.
  3. A rerun against a recorded release version produces the same logic as the original approved deployment.
  4. The SQL task successfully runs against the intended warehouse under the approved identity.

Explanation

Correct Answer

B:

Conflicting writes can cause transaction contention or unintended business outcomes even with transactional Delta storage.

Incorrect Answers

A:

The production run updates only the production dashboard identified by its governed resource reference. That finding does not establish that the revised graph avoids unintended simultaneous conflicting target updates.

C:

A rerun against a recorded release version produces the same logic as the original approved deployment. That finding does not establish that the revised graph avoids unintended simultaneous conflicting target updates.

D:

The SQL task successfully runs against the intended warehouse under the approved identity. That finding does not establish that the revised graph avoids unintended simultaneous conflicting target updates.

Question 377

A dashboard refresh task completes successfully but updates the wrong workspace because its target URL was copied from development.

Which implementation decision best addresses this requirement?

  1. Use task-state inspection to identify the original failure and which successors were skipped.
  2. Configure a finite maximum retries setting and an error notification for exhausted attempts.
  3. Configure mutually appropriate conditional dependencies on the branch outcomes.
  4. Bind task resources and execution context to the intended environment-specific workspace.

Explanation

Correct Answer

D:

Successful execution alone does not prove the job ran against the approved environment. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

Skipped tasks often represent unmet prerequisites rather than independent execution defects.

B:

Bounded recovery protects resources and makes a persistent failure visible to operators.

C:

Conditional DAG edges must encode the branch decision; merely adding a task does not restrict both paths.

Question 378

A dashboard refresh task completes successfully but updates the wrong workspace because its target URL was copied from development.

Which acceptance result most directly demonstrates that the intended solution works?

  1. The runbook records the root failed task and its downstream skipped dependents accurately.
  2. After the configured retries are exhausted, the task enters a terminal failure state and notifies the owner.
  3. The production run updates only the production dashboard identified by its governed resource reference.
  4. A failing condition runs only the rejection path while a passing condition enables publication.

Explanation

Correct Answer

C:

Successful execution alone does not prove the job ran against the approved environment.

Incorrect Answers

A:

The runbook records the root failed task and its downstream skipped dependents accurately. That finding does not establish that the production run updates only the production dashboard identified by its governed resource reference.

B:

After the configured retries are exhausted, the task enters a terminal failure state and notifies the owner. That finding does not establish that the production run updates only the production dashboard identified by its governed resource reference.

D:

A failing condition runs only the rejection path while a passing condition enables publication. That finding does not establish that the production run updates only the production dashboard identified by its governed resource reference.

Question 379

A data operations team wants a runbook that distinguishes failed tasks from skipped tasks after a dependency failure.

Which implementation decision best addresses this requirement?

  1. Use task-state inspection to identify the original failure and which successors were skipped.
  2. Use reviewed deployed code versions or immutable source references for production task runs.
  3. Choose a trigger and run-frequency configuration that honors the hourly SLA while avoiding excessive redundant work.
  4. Declare separate Lakeflow Jobs tasks with an explicit depends_on relationship from silver to bronze.

Explanation

Correct Answer

A:

Skipped tasks often represent unmet prerequisites rather than independent execution defects. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

B:

Reproducibility requires controlled source revisions rather than relying on changing interactive notebook state.

C:

Data-driven triggering can be tuned to balance processing cost and tolerated delay.

D:

DAG dependencies enforce execution order and avoid starting downstream transformations before their inputs are ready.

Question 380

A data operations team wants a runbook that distinguishes failed tasks from skipped tasks after a dependency failure.

Which acceptance result most directly demonstrates that the intended solution works?

  1. A rerun against a recorded release version produces the same logic as the original approved deployment.
  2. A burst of updates produces a bounded number of report runs and freshness remains within one hour.
  3. The runbook records the root failed task and its downstream skipped dependents accurately.
  4. The run graph shows bronze completed before silver starts and silver is skipped when bronze fails.

Explanation

Correct Answer

C:

Skipped tasks often represent unmet prerequisites rather than independent execution defects.

Incorrect Answers

A:

A rerun against a recorded release version produces the same logic as the original approved deployment. That finding does not establish that the runbook records the root failed task and its downstream skipped dependents accurately.

B:

A burst of updates produces a bounded number of report runs and freshness remains within one hour. That finding does not establish that the runbook records the root failed task and its downstream skipped dependents accurately.

D:

The run graph shows bronze completed before silver starts and silver is skipped when bronze fails. That finding does not establish that the runbook records the root failed task and its downstream skipped dependents accurately.

Certified Data Engineer Associate Practice Tests

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