Big Data Analytics — Summer 2022

1. What is Big Data? Explain its Four Vs. 2. What is Big Data Analytics? Explain BDA Life Cycle.

What is Hadoop? Explain Data Node, Name Node, Secondary Name Node, Job Tracker and Task Tracker.

What is HDFS? Write HDFS Command for Following Operation. a. Create a directory in Hadoop dfs. b. Move the directory from hdfs to local machine. c. List all the directory and sub directory and file of Hadoop dfs. d. Change permission of a file from read to write. e. Counts the number of files, directories, and bytes under the paths of root

What is MapReduce? Write a Mapper and Reducer function for word count

Difference Between 1. NoSQL vs. SQL Vs. NewSQL 2. Hadoop Vs. RDBMS

What is HIVE? Explain Hive Architecture with figure.

List out and give an overview of Hadoop ecosystems.

What is HBase? Explain how data is stored in HBase using appropriate example.

What is ZooKeeper? Explain how it helps in monitoring a cluster.

What is Spark? Explain RDD in details

What is NoSQL? Explain Type of NoSQL Databases.

What is NoSQL? Explain the advantages of NoSQL

List out all RDD operations. Explain Transformation operation in detail.

What is MongoDB? Explain how MongoDB achieves horizontal scaling

Explain HBase architecture in detail

Explain MongoDB data types with an example.

Explain execution modes and data types in Pig.