Big Data and Analytics Unit 2 – Hadoop and MapReduce: AKTU previous year questions
33 AKTU questions from Unit 2 (Hadoop and MapReduce) asked in 2018–2025, tagged by marks, year and topic. In short: about 28 marks of every paper come from this unit; the most asked topic is MapReduce Framework (17 times); 28 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 2 previous year questions
- How does Apache Hadoop help process the data? (2 marks, 2025, Apache Hadoop)
- What do you mean by MapReduce? List its main phases. (2 marks, 2025, MapReduce Framework)
- Describe how compression techniques and file formats impact the performance of big data processing systems (2 marks, 2025, Apache Hadoop)
- Discuss the detailed architecture of Map-Reduce. (7 marks, 2025, MapReduce Framework)
- Discuss in brief about the cluster specification. Describe how to setting up a Hadoop Cluster? (7 marks, 2025, Apache Hadoop)
- Discuss the process of job scheduling and task execution in Hadoop. How does Hadoop ensure fault tolerance during task execution? (7 marks, 2025, MapReduce Framework)
- What is Hadoop Streaming? (2 marks, 2024, Apache Hadoop)
- List the core functionalities of Apache Hadoop. (2 marks, 2024, Apache Hadoop)
- Discuss the data formats commonly used in Hadoop environments. (2 marks, 2024, Apache Hadoop)
- Explain how the data format of Hadoop is important. (2 marks, 2024, Apache Hadoop)
- Explain Apache Hadoop and its role in big data processing. What are the core components of the Apache Hadoop ecosystem, and how do they work together to enable distributed data storage and processing? (10 marks, 2024, Apache Hadoop)
- Discuss the Working of Map Reduce and its Characteristics (10 marks, 2024, MapReduce Framework)
Most asked Unit 2 topics
- MapReduce Framework – asked 17 times
- Apache Hadoop – asked 16 times
- Hadoop Ecosystem
Unit 2 question pattern
- 2-mark questions: 16 asked in 2018–2025
- 7-mark questions: 3 asked in 2018–2025
- 10-mark questions: 14 asked in 2018–2025
- About 28 marks from Unit 2 in every paper
- 28 questions were asked again in a later year
Unit 2 questions year by year
- 2025: 6 Unit 2 questions asked (27 marks across that year's papers)
- 2024: 7 Unit 2 questions asked (38 marks across that year's papers)
- 2023: 7 Unit 2 questions asked (46 marks across that year's papers)
- 2022: 4 Unit 2 questions asked (32 marks across that year's papers)
- 2018: 9 Unit 2 questions asked (50 marks across that year's papers)