• Exam Code: Associate-Developer-Apache-Spark-3.5
  • Exam Name: Databricks Certified Associate Developer for Apache Spark 3.5 - Python
  • Certification Provider: Databricks
  • Corresponding Certification:Databricks Certification
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Databricks Associate-Developer-Apache-Spark-3.5 Exam Syllabus Topics:

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

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

9 of 55.
Given the code fragment:
import pyspark.pandas as ps
pdf = ps.DataFrame(data)
Which method is used to convert a Pandas API on Spark DataFrame (pyspark.pandas.DataFrame) into a standard PySpark DataFrame (pyspark.sql.DataFrame)?

  • A. pdf.to_dataframe()
  • B. pdf.spark()
  • C. pdf.to_spark()
  • D. pdf.to_pandas()
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

A data engineer wants to process a streaming DataFrame that receives sensor readings every second with columns sensor_id, temperature, and timestamp. The engineer needs to calculate the average temperature for each sensor over the last 5 minutes while the data is streaming.
Which code implementation achieves the requirement?
Options from the images provided:

  • A.
  • B.
  • C.
  • D.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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27 of 55.
A data engineer needs to add all the rows from one table to all the rows from another, but not all the columns in the first table exist in the second table.
The error message is:
AnalysisException: UNION can only be performed on tables with the same number of columns.
The existing code is:
au_df.union(nz_df)
The DataFrame au_df has one extra column that does not exist in the DataFrame nz_df, but otherwise both DataFrames have the same column names and data types.
What should the data engineer fix in the code to ensure the combined DataFrame can be produced as expected?

  • A. df = au_df.unionAll(nz_df)
  • B. df = au_df.unionByName(nz_df, allowMissingColumns=True)
  • C. df = au_df.union(nz_df, allowMissingColumns=True)
  • D. df = au_df.unionByName(nz_df, allowMissingColumns=False)
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Given the code fragment:

import pyspark.pandas as ps
psdf = ps.DataFrame({'col1': [1, 2], 'col2': [3, 4]})
Which method is used to convert a Pandas API on Spark DataFrame (pyspark.pandas.DataFrame) into a standard PySpark DataFrame (pyspark.sql.DataFrame)?

  • A. psdf.to_spark()
  • B. psdf.to_pyspark()
  • C. psdf.to_pandas()
  • D. psdf.to_dataframe()
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for ITPassLeader members. You can sign-up / login (it's free).

Which Spark configuration controls the number of tasks that can run in parallel on the executor?
Options:

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

Correct Answer: A  🗳️

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