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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of the Mapper in MapReduce?
💡 Hint: Think about what happens to the input data first.
Question 2
Easy
Define input split in the context of MapReduce.
💡 Hint: Consider how input data is managed and processed.
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 the main purpose of the Map phase in MapReduce?
- To aggregate data
- To transform input data into intermediate key-value pairs
- To sort data
💡 Hint: Focus on what the Mapper does to the input data.
Question 2
True or False: In the Shuffle and Sort phase, data is sorted to optimize the Reduce phase.
- True
- False
💡 Hint: Think about organization of data between phases.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a given dataset of sales records, how would you implement a MapReduce job to find the total sales for each product?
💡 Hint: Think about how to separate and aggregate sales data effectively.
Question 2
Explain how fault tolerance is achieved in MapReduce.
💡 Hint: Consider the mechanisms in place for handling task failures.
Challenge and get performance evaluation