FDA D1 SET 2

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

• Volume
• Velocity
• Variety
• Value

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

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

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

Data Analytics uses ___ to get insights from data.

• Statistical figures
• Statistical methods
• Numerical aspects
• None of the above

he number of tasks a task tracker can accept depends on

• A - Maximum memory available in the node
• B - Not limited
• C - Number of slots configured in it
• D - As decided by the jobTracker

With reference to data, dependent and independent variables should be quantitative.

• True
• False
• Can Not Say
• None of the above

What is the role of the Reduce function in MapReduce?

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

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

• Hive
• Spark
• MongoDB
• HBase

Amongst which of the following is / are true about MongoDB?

• A. MongoDB is a cross-platform database
• B. Document oriented database
• C. High performance database
• D. All of the mentioned above

A document is a set of ___.

• A. Key-value pairs
• B. Application pairs
• C. Activity pair set
• D. None of the mentioned above