Topic12Fri7QuizFinLab

What is a defining characteristic of big data?

• High cost of storage

• Large volume, variety, and velocity

• Single source of data

• Incompatibility with traditional databases

Which of the following is not one of the 5 Vs of big data?

• Volume

• Velocity

• Validation

• Variety

What is Hadoop primarily used for?

• Data visualization

• Distributed storage and processing of large datasets

• Real-time analytics

• Data encryption

Which component of Hadoop is responsible for distributed storage?

• MapReduce

• Hive

• HDFS

• Spark SQL

What makes Apache Spark faster than Hadoop MapReduce?

• Spark stores all data in relational databases

• Spark processes data in-memory rather than on disk

• Spark uses GPU acceleration exclusively

• Spark automatically encrypts data during processing

Which of the following industries benefits significantly from big data analytics?

• Healthcare

• Retail

• Finance

• All of the above

What is a common use case for big data in the healthcare industry?

• Real-time patient monitoring

• Fraud detection in claims

• Personalized medicine

• All of the above

In big data, what is the primary purpose of a distributed computing framework?

• Increase cost-efficiency

• Ensure security

• Process large datasets across multiple nodes

• Visualize data in real-time

Which file format is often used in big data for efficient storage and querying?

• CSV

• JSON

• Parquet

• TXT

What is the main function of Apache Hive?

• Distributed data processing

• Data storage

• SQL-like querying for large datasets

• Data visualization