Pass Databricks Certified Data Engineer Associate Exam in First Attempt Easily
Real Databricks Certified Data Engineer Associate Exam Questions, Accurate & Verified Answers As Experienced in the Actual Test!

Verified by experts
3 products

You save $69.98

Certified Data Engineer Associate Premium Bundle

  • Premium File 280 Questions & Answers
  • Last Update: Nov 6, 2026
  • Training Course 38 Lectures
  • Study Guide 432 Pages
$79.99 $149.97

Purchase Individually

  • Premium File

    280 Questions & Answers
    Last Update: Nov 6, 2026

    $76.99
    $69.99
  • Training Course

    38 Lectures

    $43.99
    $39.99
  • Study Guide

    432 Pages

    $43.99
    $39.99

Certified Data Engineer Associate Practice Test 12

Question 110

An auditor asks whether sending all files through a massive single-node notebook is necessary when the source is a cloud storage bucket.

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

  1. A file delivered during the day appears in bronze within the accepted minute-level latency budget.
  2. A valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation.
  3. A representative high-volume input loads without collecting the entire source content on the driver.
  4. A new field follows the configured explicit-schema handling rather than unexpectedly altering the registered schema.

Explanation

Correct Answer

C:

Cloud storage ingestion can leverage Databricks distributed processing rather than requiring local driver memory.

Incorrect Answers

A:

A file delivered during the day appears in bronze within the accepted minute-level latency budget. That finding does not establish that a representative high-volume input loads without collecting the entire source content on the driver.

B:

A valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation. That finding does not establish that a representative high-volume input loads without collecting the entire source content on the driver.

D:

A new field follows the configured explicit-schema handling rather than unexpectedly altering the registered schema. That finding does not establish that a representative high-volume input loads without collecting the entire source content on the driver.

Question 111

A clickstream team needs records available within minutes of file arrival, but its proposed approach loads data only once per week.

Which implementation decision best addresses this requirement?

  1. Preserve event-time fields during ingestion and apply event-time logic when aggregating later.
  2. Use incremental ingestion with a trigger cadence aligned to the freshness requirement.
  3. Set an Auto Loader no-evolution policy that matches the explicit-schema contract.
  4. Assign each distinct Auto Loader stream its own durable checkpoint directory.

Explanation

Correct Answer

B:

Freshness targets dictate ingestion frequency rather than an arbitrary reporting calendar. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

Ingestion arrival time and business event time are not interchangeable for late-arriving data.

C:

Schema evolution mode none can avoid automatic additions, subject to the chosen rescued-data configuration.

D:

Checkpoint state belongs to one logical streaming query and must not be shared across independent sources.

Question 112

A clickstream team needs records available within minutes of file arrival, but its proposed approach loads data only once per week.

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

  1. A delayed event retains its original timestamp and is assigned to the correct business window downstream.
  2. New unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior.
  3. Each stream restarts independently without mixing offsets or processed-file histories with its neighbors.
  4. A file delivered during the day appears in bronze within the accepted minute-level latency budget.

Explanation

Correct Answer

D:

Freshness targets dictate ingestion frequency rather than an arbitrary reporting calendar.

Incorrect Answers

A:

A delayed event retains its original timestamp and is assigned to the correct business window downstream. That finding does not establish that a file delivered during the day appears in bronze within the accepted minute-level latency budget.

B:

New unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior. That finding does not establish that a file delivered during the day appears in bronze within the accepted minute-level latency budget.

C:

Each stream restarts independently without mixing offsets or processed-file histories with its neighbors. That finding does not establish that a file delivered during the day appears in bronze within the accepted minute-level latency budget.

Question 113

An upstream producer sends records with event timestamps out of order, while the downstream aggregation depends on the original event date.

Which implementation decision best addresses this requirement?

  1. Separate parser-error handling from schema-evolution behavior in source configuration.
  2. Preserve event-time fields during ingestion and apply event-time logic when aggregating later.
  3. Use schema evolution mode rescue with an enabled rescued-data column.
  4. Preserve the existing checkpoint and diagnose the slowdown without resetting stream identity.

Explanation

Correct Answer

B:

Ingestion arrival time and business event time are not interchangeable for late-arriving data. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

Syntax corruption and valid schema drift represent different failure classes and require different handling.

C:

A rescue strategy keeps schema stable and preserves unknown attributes for downstream review.

D:

Clearing progress state can cause reprocessing and is not a safe generic performance fix.

Question 114

An upstream producer sends records with event timestamps out of order, while the downstream aggregation depends on the original event date.

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

  1. A delayed event retains its original timestamp and is assigned to the correct business window downstream.
  2. A valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation.
  3. New source properties appear in rescued JSON without changing the curated column contract.
  4. The pipeline resumes without replay after a processing restart, and the root cause is observable in run metrics.

Explanation

Correct Answer

A:

Ingestion arrival time and business event time are not interchangeable for late-arriving data.

Incorrect Answers

B:

A valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation. That finding does not establish that a delayed event retains its original timestamp and is assigned to the correct business window downstream.

C:

New source properties appear in rescued JSON without changing the curated column contract. That finding does not establish that a delayed event retains its original timestamp and is assigned to the correct business window downstream.

D:

The pipeline resumes without replay after a processing restart, and the root cause is observable in run metrics. That finding does not establish that a delayed event retains its original timestamp and is assigned to the correct business window downstream.

Question 115

An Auto Loader source contains malformed records and also new valid columns; the team assumes both problems can be solved with one generic exception handler.

Which implementation decision best addresses this requirement?

  1. Set an Auto Loader no-evolution policy that matches the explicit-schema contract.
  2. Choose an intentional compatible evolution mode or schema hints rather than assuming addNewColumns works with an explicit schema.
  3. Separate parser-error handling from schema-evolution behavior in source configuration.
  4. Configure initial backfill behavior and subsequent discovery for the chosen Auto Loader mode.

Explanation

Correct Answer

C:

Syntax corruption and valid schema drift represent different failure classes and require different handling. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

Schema evolution mode none can avoid automatic additions, subject to the chosen rescued-data configuration.

B:

The default evolution behavior differs when an explicit schema is supplied, and automatic additions require compatible configuration.

D:

Initial existing-file ingestion and ongoing file discovery are separate phases that need deliberate configuration.

Question 116

An Auto Loader source contains malformed records and also new valid columns; the team assumes both problems can be solved with one generic exception handler.

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

  1. A valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation.
  2. New unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior.
  3. A new field follows the configured explicit-schema handling rather than unexpectedly altering the registered schema.
  4. Both the initial backlog and a later newly uploaded file appear once in the target.

Explanation

Correct Answer

A:

Syntax corruption and valid schema drift represent different failure classes and require different handling.

Incorrect Answers

B:

New unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior. That finding does not establish that a valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation.

C:

A new field follows the configured explicit-schema handling rather than unexpectedly altering the registered schema. That finding does not establish that a valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation.

D:

Both the initial backlog and a later newly uploaded file appear once in the target. That finding does not establish that a valid new column follows evolution policy while a truncated JSON record is isolated for parsing investigation.

Question 117

A source has a formally fixed column contract and unrecognized columns should be ignored rather than triggering schema expansion.

Which implementation decision best addresses this requirement?

  1. Use schema evolution mode rescue with an enabled rescued-data column.
  2. Assign each distinct Auto Loader stream its own durable checkpoint directory.
  3. Plan an appropriate backfill of preexisting objects when switching discovery methods.
  4. Set an Auto Loader no-evolution policy that matches the explicit-schema contract.

Explanation

Correct Answer

D:

Schema evolution mode none can avoid automatic additions, subject to the chosen rescued-data configuration. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

A rescue strategy keeps schema stable and preserves unknown attributes for downstream review.

B:

Checkpoint state belongs to one logical streaming query and must not be shared across independent sources.

C:

An event feed begins at a defined point, so older objects may need an intentional discovery process.

Question 118

A source has a formally fixed column contract and unrecognized columns should be ignored rather than triggering schema expansion.

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

  1. New source properties appear in rescued JSON without changing the curated column contract.
  2. New unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior.
  3. Each stream restarts independently without mixing offsets or processed-file histories with its neighbors.
  4. Previously present files and new notifications are both represented in the bronze table without duplicates.

Explanation

Correct Answer

B:

Schema evolution mode none can avoid automatic additions, subject to the chosen rescued-data configuration.

Incorrect Answers

A:

New source properties appear in rescued JSON without changing the curated column contract. That finding does not establish that new unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior.

C:

Each stream restarts independently without mixing offsets or processed-file histories with its neighbors. That finding does not establish that new unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior.

D:

Previously present files and new notifications are both represented in the bronze table without duplicates. That finding does not establish that new unexpected fields do not become target columns and the ingestion process follows the documented ignore-or-rescue behavior.

Question 119

A bank requires retaining unrecognized fields in an otherwise valid JSON event while forbidding unreviewed new columns in the destination table.

Which implementation decision best addresses this requirement?

  1. Choose an intentional compatible evolution mode or schema hints rather than assuming addNewColumns works with an explicit schema.
  2. Preserve the existing checkpoint and diagnose the slowdown without resetting stream identity.
  3. Store source metadata and lineage in an access-controlled bronze dataset.
  4. Use schema evolution mode rescue with an enabled rescued-data column.

Explanation

Correct Answer

D:

A rescue strategy keeps schema stable and preserves unknown attributes for downstream review. The selected implementation is the one directly aligned with the constraints in the scenario.

Incorrect Answers

A:

The default evolution behavior differs when an explicit schema is supplied, and automatic additions require compatible configuration.

B:

Clearing progress state can cause reprocessing and is not a safe generic performance fix.

C:

Bronze provenance lets support teams trace ingestion while Unity Catalog controls who may query source details.

Question 120

A bank requires retaining unrecognized fields in an otherwise valid JSON event while forbidding unreviewed new columns in the destination table.

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

  1. A new field follows the configured explicit-schema handling rather than unexpectedly altering the registered schema.
  2. The pipeline resumes without replay after a processing restart, and the root cause is observable in run metrics.
  3. New source properties appear in rescued JSON without changing the curated column contract.
  4. An authorized support user resolves a target record to its source path without receiving broad bucket credentials.

Explanation

Correct Answer

C:

A rescue strategy keeps schema stable and preserves unknown attributes for downstream review.

Incorrect Answers

A:

A new field follows the configured explicit-schema handling rather than unexpectedly altering the registered schema. That finding does not establish that new source properties appear in rescued JSON without changing the curated column contract.

B:

The pipeline resumes without replay after a processing restart, and the root cause is observable in run metrics. That finding does not establish that new source properties appear in rescued JSON without changing the curated column contract.

D:

An authorized support user resolves a target record to its source path without receiving broad bucket credentials. That finding does not establish that new source properties appear in rescued JSON without changing the curated column contract.

Certified Data Engineer Associate Practice Tests

Purchase Individually

  • Premium File

    280 Questions & Answers
    Last Update: Nov 6, 2026

    $76.99
    $69.99
  • Training Course

    38 Lectures

    $43.99
    $39.99
  • Study Guide

    432 Pages

    $43.99
    $39.99

SPECIAL OFFER: GET 10% OFF
This is ONE TIME OFFER

You save
10%

Enter Your Email Address to Receive Your 10% Off Discount Code

SPECIAL OFFER: GET 10% OFF

You save
10%

Use Discount Code:

A confirmation link was sent to your e-mail.

Please check your mailbox for a message from support@examlabs.com and follow the directions.

Download Free Demo of VCE Exam Simulator

Experience Avanset VCE Exam Simulator for yourself.

Simply submit your email address below to get started with our interactive software demo of your free trial.

  • Realistic exam simulation and exam editor with preview functions
  • Whole exam in a single file with several different question types
  • Customizable exam-taking mode & detailed score reports