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Databricks Certified Associate Developer for Apache Spark

Verified practice questions with detailed answers, clear explanations, and community discussion.

  • 342

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  • 5 days ago

    last updated

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Question 1 of 342

Which of the following describes the Spark driver?

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Correct answer: D

The Spark driver is the program space where the Spark application's main method runs, coordinating the entire Spark application. It is responsible for managing the application's execution plan, resource allocation, task distribution, and monitoring the application's state throughout its execution. The driver orchestrates the execution process by communicating with the cluster manager to acquire necessary resources and distributing tasks to worker nodes appropriately.

Community votes

6 votes

DSuggested

100%

Question 2 of 342

Which of the following describes the relationship between nodes and executors?

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Correct answer: C

An executor is a processing engine running on a node. Executors are worker processes that run on the nodes of a cluster and are responsible for executing tasks assigned by the driver program. They handle data processing and execute the operations required for a Spark application. Hence, the correct relationship is that executors run on nodes.

Community votes

16 votes

CSuggested

100%

Question 3 of 342

Which of the following will occur if there are more slots than there are tasks?

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Correct answer: A

If there are more slots than tasks in a Spark job, some slots will remain idle. This will result in inefficient utilization of resources as these idle slots represent unused processing capacity. Thus, the Spark job will not run as efficiently as possible but will still complete successfully.

Community votes

17 votes

ASuggested

88%

E

12%

Question 4 of 342

Which of the following is the MOST granular level of the Spark execution hierarchy?

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Correct answer: A

In the Spark execution hierarchy, the most granular level is the task. A task represents a unit of work that is executed on a partitioned portion of the data in parallel. Tasks are created by the Spark driver program and assigned to individual executors for execution. Each task operates on a subset of the data and performs a specific operation defined by the Spark application, such as a transformation or an action.

Community votes

5 votes

ASuggested

100%

Question 5 of 342

Which of the following statements about Spark jobs is incorrect?

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Correct answer: E

In Spark, jobs are collections of tasks that are divided based on when an action is called, not based on when language variables are defined. This statement is incorrect because it misrepresents how tasks are grouped within a job. Spark creates a job whenever an action (like count() or collect()) is called on a DataFrame or RDD. These jobs are then broken down into stages and tasks, orchestrated based on the logical execution plan derived from the actions, not from the definition of language variables.

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5 votes

DMost voted

100%

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May 11, 2026
As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
Charles Sirois
Canada
May 5, 2026
Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Lance Chambers
United States
Apr 11, 2026
Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Alisha Kelly
Italy
Apr 9, 2026
Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Casper Claassen
Netherlands
Jun 2, 2025
The content is accurate and clearly presented, and it's more affordable than competitors. The team has been incredibly responsive whenever I've had an issue, and they've been open to small changes that improve the platform.
Gabriele Ghesla
Italy
May 11, 2026
As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
Charles Sirois
Canada
May 5, 2026
Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Lance Chambers
United States
Apr 11, 2026
Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Alisha Kelly
Italy
Apr 9, 2026
Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Casper Claassen
Netherlands
Jun 2, 2025
The content is accurate and clearly presented, and it's more affordable than competitors. The team has been incredibly responsive whenever I've had an issue, and they've been open to small changes that improve the platform.
Gabriele Ghesla
Italy
Apr 13, 2026
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Morgan Farmer
United Kingdom
May 4, 2026
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Remi Nuyts
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Apr 9, 2026
I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Archie Hopkins
United States
Apr 11, 2026
Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Nancy Mcbride
United States
May 8, 2026
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.
Neil Savage
United States
Apr 13, 2026
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Morgan Farmer
United Kingdom
May 4, 2026
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Remi Nuyts
United States
Apr 9, 2026
I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Archie Hopkins
United States
Apr 11, 2026
Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Nancy Mcbride
United States
May 8, 2026
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.
Neil Savage
United States

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