Big Data and Analytics Unit 3 – HDFS and Hadoop Environment: AKTU previous year questions
41 AKTU questions from Unit 3 (HDFS and Hadoop Environment) asked in 2018–2025, tagged by marks, year and topic. In short: about 32 marks of every paper come from this unit; the most asked topic is HDFS Design and Concepts (33 times); 37 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 3 previous year questions
- Define the Hadoop Distributed File System (HDFS). How is it different from traditional file systems? (2 marks, 2025, HDFS Design and Concepts)
- What is HDFS in the context of Hadoop? (2 marks, 2025, HDFS Design and Concepts)
- What is the role of file system interfaces in big data storage environments (2 marks, 2025, HDFS Design and Concepts)
- Discuss Master Slave and Peer-Peer replication in detail. (7 marks, 2025, HDFS Design and Concepts)
- Explain the architecture and use cases of Apache Flume and Apache Sqoop in Big Data systems. How do these tools support efficient data ingestion from structured and unstructured sources (7 marks, 2025, HDFS Read Write Operations)
- What are HDFS block size and block abstraction? How do they contribute to performance in Big Data systems (7 marks, 2025, HDFS Design and Concepts)
- Design a data ingestion and transformation pipeline for a real-time social media analytics system using tools like Flume, Sqoop, and Avro. (7 marks, 2025, HDFS Read Write Operations)
- Demonstrate the design of HDFS and concept in detail. (7 marks, 2025, HDFS Design and Concepts)
- Illustrate the process of reading a block in Hadoop. (7 marks, 2025, HDFS Design and Concepts)
- Explain the architecture and use cases of Apache Flume and Apache Sqoop in Big Data systems. How do these tools support efficient data ingestion from structured and unstructured sources. (7 marks, 2025, HDFS Read Write Operations)
- Describe the concepts of file sizes, block sizes, and block abstraction in HDFS. (2 marks, 2024, HDFS Design and Concepts)
- List the steps involved in using Sqoop to import data from RDBMS into Hadoop. (2 marks, 2024, HDFS Read Write Operations)
Most asked Unit 3 topics
- HDFS Design and Concepts – asked 33 times
- HDFS Read Write Operations – asked 8 times
- Hadoop IO and Serialization
Unit 3 question pattern
- 2-mark questions: 17 asked in 2018–2025
- 7-mark questions: 7 asked in 2018–2025
- 10-mark questions: 17 asked in 2018–2025
- About 32 marks from Unit 3 in every paper
- 37 questions were asked again in a later year
Unit 3 questions year by year
- 2025: 10 Unit 3 questions asked (55 marks across that year's papers)
- 2024: 10 Unit 3 questions asked (68 marks across that year's papers)
- 2023: 11 Unit 3 questions asked (62 marks across that year's papers)
- 2022: 6 Unit 3 questions asked (36 marks across that year's papers)
- 2018: 4 Unit 3 questions asked (32 marks across that year's papers)