quiz 11

What is the Hadoop Distributed File System (HDFS) designed to handle?

unstructured and semistructured non-relational data

In the Salesforce case study, streaming data is used to identify services that customers use most. (T/F)

False

Big Data is being driven by the exponential growth, availability, and use of information. (T/F)

True

Current total storage capacity lags behind the digital information being generated in the world. (T/F)

True

MapReduce can be easily understood by skilled programmers due to its procedural nature. (T/F)

True

Social media mentions can be used to chart and predict flu outbreaks. (T/F)

True

There is a clear difference between the type of information support provided by influential users versus the others on Twitter. (T/F)

True

In the Analyzing Disease Patterns from an Electronic Medical Records Data Warehouse case study, what was the analytic goal? a. determine if diseases are accurately diagnosed b. determine probabilities of diseases that are comorbid c. determine differences in rates of disease in urban and rural populations d. determine differences in rates of disease in males v. females

c

A newly popular unit of data in the Big Data era is the petabyte (PB), which is

10^15 bytes.

Big Data uses commodity hardware, which is expensive, specialized hardware that is custom built for a client or application. (T/F)

False