ISM4402 CH7 T/F
MapReduce can be easily understood by skilled programmers due to its procedural nature.
True
Social media mentions can be used to chart and predict flu outbreaks.
True
The quality and objectivity of information disseminated by influential users of Twitter is higher than that disseminated by noninfluential users.
True
The term "Big Data" is relative as it depends on the size of the using organization.
True
In most cases, Hadoop is used to replace data warehouses.
False
In the opening vignette, the Access Telecom (AT), built a system to better visualize customers who were unhappy before they canceled their service.
True
It is important for Big Data and self-service business intelligence to go hand in hand to get maximum value from analytics.
True
Satellite data can be used to evaluate the activity at retail locations as a source of alternative data.
True
Big Data simplifies data governance issues, especially for global firms.
False
Big Data uses commodity hardware, which is expensive, specialized hardware that is custom built for a client or application.
False
Hadoop and MapReduce require each other to work.
False
In the Salesforce case study, streaming data is used to identify services that customers use most.
False
Big Data is being driven by the exponential growth, availability, and use of information.
True
Current total storage capacity lags behind the digital information being generated in the world.
True
Despite their potential, many current NoSQL tools lack mature management and monitoring tools.
True
For low latency, interactive reports, a data warehouse is preferable to Hadoop.
True
Hadoop was designed to handle petabytes and exabytes of data distributed over multiple nodes in parallel.
True
If you have many flexible programming languages running in parallel, Hadoop is preferable to a data warehouse.
True
In Application Case 7.6, Analyzing Disease Patterns from an Electronic Medical Records Data Warehouse, it was found that urban individuals have a higher number of diagnosed disease conditions.
True
There is a clear difference between the type of information support provided by influential users versus the others on Twitter.
True
