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

  • Exam Code: Associate-Developer-Apache-Spark-3.5
  • Exam Name: Databricks Certified Associate Developer for Apache Spark 3.5 - Python
  • Updated: Sep 09, 2026
  • Q&As: 135 Questions and Answers

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Databricks Associate-Developer-Apache-Spark-3.5 Exam Syllabus Topics:

SectionWeightObjectives
Using Spark SQL20%- Spark SQL Operations
  • 1. Aggregations and grouping
  • 2. Built-in SQL functions
  • 3. Window functions
  • 4. Filtering and sorting data
  • 5. Joins and subqueries
Structured Streaming10%- Streaming Applications
  • 1. Triggers and checkpoints
  • 2. Structured Streaming concepts
  • 3. Output modes
  • 4. Streaming sources and sinks
Apache Spark Architecture and Components20%- Spark Architecture
  • 1. Cluster managers
  • 2. Lazy evaluation
  • 3. Driver and Executor roles
  • 4. Adaptive Query Execution
Developing Apache Spark DataFrame API Applications30%- DataFrame Operations
  • 1. User Defined Functions
  • 2. Partitioning data
  • 3. Working with complex data types
  • 4. Creating and transforming DataFrames
  • 5. Handling null values
  • 6. Selecting and renaming columns
  • 7. Reading and writing data
Troubleshooting and Tuning10%- Performance Optimization
  • 1. Shuffle optimization
  • 2. Broadcast joins
  • 3. Caching and persistence
  • 4. Execution plan analysis
Using Pandas API on Spark5%- Pandas API
  • 1. Pandas transformations
  • 2. Interoperability with PySpark
  • 3. Pandas on Spark DataFrames
Using Spark Connect to Deploy Applications5%- Spark Connect
  • 1. Remote Spark sessions
  • 2. Application deployment
  • 3. Client-server architecture

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

Question #1

Given a DataFrame df that has 10 partitions, after running the code:
result = df.coalesce(20)
How many partitions will the result DataFrame have?

  • A. 20
  • B. 1
  • C. 10
  • D. Same number as the cluster executors
Answer: C

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Question #2

A developer wants to test Spark Connect with an existing Spark application.
What are the two alternative ways the developer can start a local Spark Connect server without changing their existing application code? (Choose 2 answers)

  • A. Set the environment variable SPARK_REMOTE="sc://localhost" before starting the pyspark shell
  • B. Ensure the Spark property spark.connect.grpc.binding.port is set to 15002 in the application code
  • C. Add .remote("sc://localhost") to their SparkSession.builder calls in their Spark code
  • D. Execute their pyspark shell with the option --remote "sc://localhost"
  • E. Execute their pyspark shell with the option --remote "https://localhost"
Answer: A,D

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Question #3

A developer initializes a SparkSession:

spark = SparkSession.builder \
.appName("Analytics Application") \
.getOrCreate()
Which statement describes the spark SparkSession?

  • A. The getOrCreate() method explicitly destroys any existing SparkSession and creates a new one.
  • B. If a SparkSession already exists, this code will return the existing session instead of creating a new one.
  • C. A new SparkSession is created every time the getOrCreate() method is invoked.
  • D. A SparkSession is unique for each appName, and calling getOrCreate() with the same name will return an existing SparkSession once it has been created.
Answer: B

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Question #4

A data scientist of an e-commerce company is working with user data obtained from its subscriber database and has stored the data in a DataFrame df_user. Before further processing the data, the data scientist wants to create another DataFrame df_user_non_pii and store only the non-PII columns in this DataFrame. The PII columns in df_user are first_name, last_name, email, and birthdate.
Which code snippet can be used to meet this requirement?

  • A. df_user_non_pii = df_user.drop("first_name", "last_name", "email", "birthdate")
  • B. df_user_non_pii = df_user.drop("first_name", "last_name", "email", "birthdate")
  • C. df_user_non_pii = df_user.dropfields("first_name, last_name, email, birthdate")
  • D. df_user_non_pii = df_user.dropfields("first_name", "last_name", "email", "birthdate")
Answer: A

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Question #5

A Spark application suffers from too many small tasks due to excessive partitioning. How can this be fixed without a full shuffle?
Options:

  • A. Use the repartition() transformation with a lower number of partitions
  • B. Use the distinct() transformation to combine similar partitions
  • C. Use the coalesce() transformation with a lower number of partitions
  • D. Use the sortBy() transformation to reorganize the data
Answer: C

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