Free Databricks Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Questions
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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 26, 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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Which of the following 3 DataFrame operations are NOT classified as an action? Choose 3 answers:
Answer: B,C,D
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Which of the following 3 DataFrame operations are NOT classified as an action? Choose 3 answers:
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Question 2
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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 3
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Which of the following code blocks adds a column predErrorSqrt to DataFrame transactionsDf that is the
square root of column predError?
Answer: D
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Which of the following code blocks adds a column predErrorSqrt to DataFrame transactionsDf that is the
square root of column predError?
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Question 4
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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 5
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The code block shown below should return a single-column DataFrame with a column named consonant_ctthat, for each row, shows the number of consonants in column itemName of DataFrameitemsDf. Choose the answer that correctly fills the blanks in the code block to accomplish this.DataFrame itemsDf:1.+------+----------------------------------+-----------------------------+-------------------+2.|itemId|itemName |attributes |supplier |3.+------+----------------------------------+-----------------------------+-------------------+4.|1 |Thick Coat for Walking in the Snow|[blue, winter, cozy] |Sports Company Inc.|5.|2 |Elegant Outdoors Summer Dress |[red, summer, fresh, cooling]|YetiX |6.|3 |Outdoors Backpack |[green, summer, travel] |Sports Company Inc.|7.+------+----------------------------------+-----------------------------+-------------------+Code block:itemsDf.select(__1__(__2__(__3__(__4__), "a|e|i|o|u|\s", "")).__5__("consonant_ct"))
Answer: D
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