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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an RDD?
💡 Hint: Think about how data is arranged and accessed.
Question 2
Easy
Give an example of a narrow transformation.
💡 Hint: Consider operations that affect individual partitions.
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 distributed collection of data
- A programming language
💡 Hint: Think about Spark's data structures.
Question 2
True or False: Actions in Spark trigger computation and return results to the driver program.
- True
- False
💡 Hint: Consider what happens when an action is called.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Construct an RDD that calculates the average word length in a text file and explain your approach.
💡 Hint: Consider how to combine length counts and total words.
Question 2
Discuss the limitations of using collect() on large datasets in production.
💡 Hint: Think about the relationship between the RDD size and driver memory capacity.
Challenge and get performance evaluation