Big Data (AD-801) - Important Questions

Write a short note (any three):

Explain the significance of Big Data in various domains and industries.

Explain the concept of data veracity in the context of Big Data and discuss its implications for data analysis and decision-making.

Define HDFS. Describe namenode, datanode and block. Explain HDFS operations in detail.

Describe the physical architecture of Hive, focusing on its components and their interactions within a Hadoop ecosystem.

Define RDBMS and Hadoop and explain their architectures.

What is Mongo DB? Explain in brief key features of Mongo DB. Show basic CRUD operations in Mongo DB with proper example.

Explain NoSQL and write differences between NoSQL and SQL.

Explain the following term:

Define social network mining and compare it with traditional data mining.

Explain the role of social network mining in detecting and preventing online fraud and cyber-attacks.

Discuss the types of recommendation approaches commonly used in recommender systems.