FDA SET 2 D1

What is Big Data?

• Data that is easy to analyze
• Data that is too large to be processed by traditional database systems
• Data that is stored in Excel sheets
• Data that is encrypted

What does NOSQL stand for?

• Not Only SQL
• Non-SQL
• New Object SQL
• None of the above

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

• Volume
• Velocity
• Variety
• Value

Which of the following is a benefit of using a NoSQL database like MongoDB?

• Schema flexibility
• ACID transactions
• Structured data
• Static schema

What is the purpose of the NameNode in Hadoop's HDFS?

• Data storage
• Data processing
• Metadata management
• Data visualization

Which of the following is a consistency model of the CAP theorem?

• Eventual Consistency
• Immediate Consistency
• Strong Consistency
• Weak Consistency

What is the main advantage of using MapReduce for processing Big Data?

• Real-time data processing
• Simplicity in programming
• Scalability and fault-tolerance
• Support for ACID transactions

What is the purpose of the Reduce function in the MapReduce programming model?

• To map the data
• To sort the data
• To aggregate the data
• To filter the data

What is the primary objective of K-means clustering?

• To maximize intra-cluster similarity
• To minimize inter-cluster similarity
• To maximize the number of clusters
• To minimize the number of iterations

What does Market Basket Analysis aim to discover?

• Customer demographics
• Product associations and purchasing patterns
• Customer lifetime value
• Customer churn rate