Download Certified Data Engineer Associate.CERTIFIED-DATA-ENGINEER-ASSOCIATE.ExamTopics.2026-01-04.173q.vcex

Vendor: Databricks
Exam Code: CERTIFIED-DATA-ENGINEER-ASSOCIATE
Exam Name: Certified Data Engineer Associate
Date: Jan 04, 2026
File Size: 1 MB
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Demo Questions

Question 1
Which of the following is hosted completely in the control plane of the classic Databricks architecture?
  1. Worker node
  2. JDBC data source
  3. Databricks web application
  4. Databricks Filesystem
  5. Driver node
Correct answer: C
Explanation:
B: 1C: 54 - Mosted
B: 1C: 54 - Mosted
Question 2
A data engineer has realized that they made a mistake when making a daily update to a table. They need to use Delta time travel to restore the table to a version that is 3 days old. However, when the data engineer attempts to time travel to the older version, they are unable to restore the data because the data files have been deleted.
Which of the following explains why the data files are no longer present?
  1. The VACUUM command was run on the table
  2. The TIME TRAVEL command was run on the table
  3. The DELETE HISTORY command was run on the table
  4. The OPTIMIZE command was nun on the table
  5. The HISTORY command was run on the table
Correct answer: A
Explanation:
A: 42 - Mosted
A: 42 - Mosted
Question 3
A data engineer needs to apply custom logic to string column city in table stores for a specific use case. In order to apply this custom logic at scale, the data engineer wants to create a SQL user-defined function (UDF).
Which of the following code blocks creates this SQL UDF?
Correct answer: A
Explanation:
A: 21 - Mosted
A: 21 - Mosted
Question 4
Which of the following benefits is provided by the array functions from Spark SQL?
  1. An ability to work with data in a variety of types at once
  2. An ability to work with data within certain partitions and windows
  3. An ability to work with time-related data in specified intervals
  4. An ability to work with complex, nested data ingested from JSON files
  5. An ability to work with an array of tables for procedural automation
Correct answer: D
Explanation:
D: 27 - MostedE: 1
D: 27 - MostedE: 1
Question 5
Which of the following describes a scenario in which a data team will want to utilize cluster pools?
  1. An automated report needs to be refreshed as quickly as possible.
  2. An automated report needs to be made reproducible.
  3. An automated report needs to be tested to identify errors.
  4. An automated report needs to be version-controlled across multiple collaborators.
  5. An automated report needs to be runnable by all stakeholders.
Correct answer: A
Explanation:
A: 59 - MostedD: 1
A: 59 - MostedD: 1
Question 6
Which of the following benefits of using the Databricks Lakehouse Platform is provided by Delta Lake?
  1. The ability to manipulate the same data using a variety of languages
  2. The ability to collaborate in real time on a single notebook
  3. The ability to set up alerts for query failures
  4. The ability to support batch and streaming workloads
  5. The ability to distribute complex data operations
Correct answer: D
Explanation:
D: 38 - Mosted
D: 38 - Mosted
Question 7
Which of the following describes the storage organization of a Delta table?
  1. Delta tables are stored in a single file that contains data, history, metadata, and other attributes.
  2. Delta tables store their data in a single file and all metadata in a collection of files in a separate location.
  3. Delta tables are stored in a collection of files that contain data, history, metadata, and other attributes.
  4. Delta tables are stored in a collection of files that contain only the data stored within the table.
  5. Delta tables are stored in a single file that contains only the data stored within the table.
Correct answer: C
Explanation:
C: 29 - Mosted
C: 29 - Mosted
Question 8
Which of the following code blocks will remove the rows where the value in column age is greater than 25 from the existing Delta table my_table and save the updated table?
  1. SELECT * FROM my_table WHERE age > 25;
  2. UPDATE my_table WHERE age > 25;
  3. DELETE FROM my_table WHERE age > 25;
  4. UPDATE my_table WHERE age <= 25;
  5. DELETE FROM my_table WHERE age <= 25;
Correct answer: C
Explanation:
A: 1C: 18 - Mosted
A: 1C: 18 - Mosted
Question 9
Which of the following Git operations must be performed outside of Databricks Repos?
  1. Commit
  2. Pull
  3. Push
  4. Clone
  5. Merge
Correct answer: E
Explanation:
D: 11E: 21 - Mosted
D: 11E: 21 - Mosted
Question 10
Which of the following data lakehouse features results in improved data quality over a traditional data lake?
  1. A data lakehouse provides storage solutions for structured and unstructured data.
  2. A data lakehouse supports ACID-compliant transactions.
  3. A data lakehouse allows the use of SQL queries to examine data.
  4. A data lakehouse stores data in open formats.
  5. A data lakehouse enables machine learning and artificial Intelligence workloads.
Correct answer: B
Explanation:
B: 58 - Mosted
B: 58 - Mosted
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