Free Databricks Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Questions
Absolute Free Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Practice for Comprehensive Preparation
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Databricks Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Questions
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Provided By: Databricks
- Exam: Databricks Certified Associate Developer for Apache Spark 3.0
- Certification: Apache Spark Associate Developer
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Total Questions: 420
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Updated On: Jan 08, 2025
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Rated: 4.9 |
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Online Users: 840
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Question 1
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The code block shown below contains an error. Identify the error.1. def squared(s):2. return s * s3.4. spark.udf.register("square", squared)5. spark.range(1, 20).createOrReplaceTempView("test")6. spark.sql(“select id, squared(id) as id_squared from test”)
Answer: A
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Question 2
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If we want to create a constant integer 1 as a new column ‘new_column’ in a dataframe df, which code block we should select ?
Answer: A
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If we want to create a constant integer 1 as a new column ‘new_column’ in a dataframe df, which code block we should select ?
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Question 3
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The code block shown below should return a column that indicates through boolean variables whether rows in
DataFrame transactionsDf have values greater or equal to 20 and smaller or equal to 30 in column storeId and have the value 2 in column productId. Choose the answer that correctly fills theblanks in the code block to accomplish this.transactionsDf.__1__((__2__.__3__) __4__ (__5__))
Answer: D
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The code block shown below should return a column that indicates through boolean variables whether rows in
DataFrame transactionsDf have values greater or equal to 20 and smaller or equal to 30 in column storeId and have the value 2 in column productId. Choose the answer that correctly fills the
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Question 4
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Which of the following 3 DataFrame operations are classified as a wide transformation ? Choose 3 answers:
Answer:
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Which of the following 3 DataFrame operations are classified as a wide transformation ? Choose 3 answers:
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Question 5
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Which of the following code blocks reads from a csv file where values are separated with ‘;’ ?
Answer: C
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Which of the following code blocks reads from a csv file where values are separated with ‘;’ ?