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  • Exam Code: Associate-Developer-Apache-Spark-3.5
  • Exam Name: Databricks Certified Associate Developer for Apache Spark 3.5 - Python
  • Q & A: 135 Questions and Answers
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Databricks Associate-Developer-Apache-Spark-3.5 Exam Syllabus Topics:

SectionWeightObjectives
Developing Apache Spark DataFrame API Applications30%- Handling missing values and data quality
- Joining and combining datasets
- Reading and writing data in various formats
- Filtering, sorting, and aggregating data
- Partitioning and bucketing data
- Creating DataFrames and defining schemas
- User-defined functions (UDFs)
- Selecting, renaming, and modifying columns
Troubleshooting and Tuning Apache Spark DataFrame API Applications10%- Managing memory and resource usage
- Optimizing transformations and actions
- Identifying performance bottlenecks
- Debugging and logging
Using Spark SQL20%- Using catalog and metadata APIs
- Working with functions and expressions
- Integrating Spark SQL with DataFrames
- Running SQL queries
Apache Spark Architecture and Components20%- Shuffling, actions, and broadcasting
- Fault tolerance and garbage collection
- Execution hierarchy and lazy evaluation
- Execution and deployment modes
- Spark architecture overview
Using Pandas API on Apache Spark5%- Key differences and limitations
- Overview of Pandas API on Spark
- Converting between Pandas and Spark structures
Structured Streaming10%- Defining streaming queries
- Streaming concepts and architecture
- Fault tolerance and state management
- Output modes and triggers
Using Spark Connect to Deploy Applications5%- Spark Connect architecture
- Running applications via Spark Connect
- Connecting to remote Spark clusters

Databricks Certified Associate Developer for Apache Spark 3.5 - Python Sample Questions:

Question #1

A data engineer is asked to build an ingestion pipeline for a set of Parquet files delivered by an upstream team on a nightly basis. The data is stored in a directory structure with a base path of "/path/events/data". The upstream team drops daily data into the underlying subdirectories following the convention year/month/day.
A few examples of the directory structure are:

Which of the following code snippets will read all the data within the directory structure?

  • A. df = spark.read.parquet("/path/events/data/")
  • B. df = spark.read.parquet("/path/events/data/*")
  • C. df = spark.read.option("recursiveFileLookup", "true").parquet("/path/events/data/")
  • D. df = spark.read.option("inferSchema", "true").parquet("/path/events/data/")
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #2

47 of 55.
A data engineer has written the following code to join two DataFrames df1 and df2:
df1 = spark.read.csv("sales_data.csv")
df2 = spark.read.csv("product_data.csv")
df_joined = df1.join(df2, df1.product_id == df2.product_id)
The DataFrame df1 contains ~10 GB of sales data, and df2 contains ~8 MB of product data.
Which join strategy will Spark use?

  • A. Shuffle join because no broadcast hints were provided.
  • B. Shuffle join, because AQE is not enabled, and Spark uses a static query plan.
  • C. Shuffle join, as the size difference between df1 and df2 is too large for a broadcast join to work efficiently.
  • D. Broadcast join, as df2 is smaller than the default broadcast threshold.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #3

6 of 55.
Which components of Apache Spark's Architecture are responsible for carrying out tasks when assigned to them?

  • A. Driver Nodes
  • B. CPU Cores
  • C. Worker Nodes
  • D. Executors
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #4

A data engineer is building a Structured Streaming pipeline and wants the pipeline to recover from failures or intentional shutdowns by continuing where the pipeline left off.
How can this be achieved?

  • A. By configuring the option checkpointLocation during readStream
  • B. By configuring the option checkpointLocation during writeStream
  • C. By configuring the option recoveryLocation during writeStream
  • D. By configuring the option recoveryLocation during the SparkSession initialization
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #5

11 of 55.
Which Spark configuration controls the number of tasks that can run in parallel on an executor?

  • A. spark.executor.cores
  • B. spark.task.maxFailures
  • C. spark.executor.memory
  • D. spark.sql.shuffle.partitions
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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