Big Data Analytics

What is Big Data?

• a) Data that is too small to store

• b) Data that is difficult to store, manage, and analyze using traditional methods

• c) Data with less than 1TB in size

• d) Data that can be processed easily by traditional tools

Which of the following is NOT a characteristic of Big Data?

• a) Volume
  

• b) Velocity
  

• c) Variety
  

• d) Uniqueness

Which of the following is an example of structured data?

• a) Email contents
  

• b) Video files
  

• c) Transactional data in relational databases
  

• d) Web logs

What is Hadoop?

• a) A relational database management system
  

• b) A framework for distributed storage and processing of large datasets
  

• c) A programming language for big data
  

• d) A data visualization tool

What is the primary purpose of Hadoop Distributed File System (HDFS)?

• a) To provide high-performance data analytics
  

• b) To distribute data across multiple machines for storage and fault tolerance
  

• c) To manage relational data
  

• d) To clean and preprocess data

Which of the following is NOT a component of the Hadoop ecosystem?

• a) HDFS
  

• b) YARN
  

• c) MongoDB
  

• d) MapReduce

Which of the following is true about NoSQL databases?

• a) They store data in tables with fixed columns and rows
  

• b) They are mainly used for OLAP systems
  

• c) They are designed for scalability and flexibility in handling unstructured data
  

• d) They use SQL for querying

Which NoSQL database is known for its high availability and horizontal scaling capabilities?

• a) MongoDB
  

• b) PostgreSQL
  

• c) Cassandra
  

• d) MySQL

What is Pig used for in the Hadoop ecosystem?

• a) To store data in a distributed file system
  

• b) To query data using SQL-like language
  

• c) To process data using a script-based language called Pig Latin
  

• d) To visualize data trends

Which language is commonly used for programming in Apache Spark?

• a) Java
  

• b) Python
  

• c) Scala
  

• d) All of the above