Big Data Important Questions

Most important Questions unit wise

Unit : 1

1. What is Big data define big data platform & characteristic of Big Data?
2. Compare Structure & Instructure data to each other.
3. Define Importance & Architecture of big data.
4. What is Big data Security & What are the step for Synchronizing big data compare conditional database with intelligent data tools.
5. Define different type of data analytic tools.

Unit : 2

1. Define Apache Hadoop with the short history of Hadoop.
2. What is HDFS & Define the working HDFS.
3. Describe architecture of Hadoop & also describe the Component use in Apache Hadoop.
4. Write a short note on following topics : (i) Hadoop streaming (ii) Hadoop Pipe (iii) Scaling out (iv) Hadoop ecosystem.
5. Explain different Phases of Map Reduce.
6. Explain with example of Real world of MapReduce & also explain Input & output format.

Unit : 3

1. Describe the design concept of HDFS also explain it’s benefit & challenges.
2. Explain how HDFS can read & write file.
3. Write short note on following topics: (i) Name Node (ii) Data Node (iii) Block Node (iv) HDFS federation.
4. What is block abstraction.
5. Explain Sqoop, flume and Avro.

Unit : 4

1. Write a short notes on MR version1, MR version 2.
2. Write a short note on Advantage & disadvantage of NoSQL.
3. What Is MangoDB. Explain update & delete document in MangoDB.
4. What is a spark .
5. Short notes on : (i) Spark application (ii)Job (iii) stages and task
6. What is Scala & how to use classes, fields method in scala.

Unit : 05

1. What are various data processing in operator in Pig & also Compare b/w Pig Latin & SQL.
2. What is Apache Hive & also explain its Architecture.
3. Compare Hive with traditional database.
4. Explain working of Hive with Hadoop & also explain. its services.
5. What is H-Base Concept & Compare H-Base with RDBMS.
6. What is Zookeeper & How it help in monitor a cluster.
7. What is IBM big data strategy & Pig SQL.