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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does RDD stand for?
💡 Hint: Think about what it means to be robust and spread out.
Question 2
Easy
What are DataFrames similar to?
💡 Hint: Consider how databases organize data.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is an RDD?
- A type of database
- A resilient distributed dataset
- A storage format
💡 Hint: Think about the role of RDDs in Spark.
Question 2
True or False: DataFrames have no structure.
- True
- False
💡 Hint: Reflect on how databases store data.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a dataset of unstructured text data that needs several passes of transformations–which data structure would you choose and why?
💡 Hint: Consider how the data is structured.
Question 2
Explain how you would optimize a query on a DataFrame containing millions of rows of structured data.
💡 Hint: Think about what happens behind the scenes with structured data.
Challenge and get performance evaluation