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Databricks Certified Associate Developer for Apache Spark

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

  • 342

    questions

  • 10 days ago

    last updated

  • 4.8/5

    overall rating

Question 1 of 342

Which of the following describes the Spark driver?

Answer choices
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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

19 votes

DSuggested

89%

B

5%

E

5%

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

25 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

21 votes

ASuggested

81%

E

10%

C

10%

Question 4 of 342

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

Answer choices
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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

7 votes

ASuggested

100%

Question 5 of 342

Which of the following statements about Spark jobs is incorrect?

Answer choices
Show answer

Correct answer: D

Spark offers several ways to follow a running job: the Spark UI lists every job with its stages and tasks as they progress, and the same information is available programmatically through the status APIs and listeners. The claim that there is no way to monitor a job's progress is therefore false, which makes it the incorrect statement. Jobs are indeed created when an action is called, broken into stages, and split into one task per partition.

Community votes

6 votes

DSuggested

100%

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Charles Sirois
Canada
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Lance Chambers
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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.
Alisha Kelly
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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.
Casper Claassen
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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.
Gabriele Ghesla
Italy
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.
Charles Sirois
Canada
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.
Lance Chambers
United States
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.
Alisha Kelly
Italy
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.
Casper Claassen
Netherlands
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.
Gabriele Ghesla
Italy
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.
Morgan Farmer
United Kingdom
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.
Remi Nuyts
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Archie Hopkins
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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.
Nancy Mcbride
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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.
Neil Savage
United States
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.
Morgan Farmer
United Kingdom
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.
Remi Nuyts
United States
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Archie Hopkins
United States
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.
Nancy Mcbride
United States
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.
Neil Savage
United States
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.

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