Exam 13: Big Data and Analytics

The term "Big Data" is relative as it depends on the size of the using organization.

The ________ of Big Data is its potential to contain more useful patterns and interesting anomalies than "small" data.

Hadoop was designed to handle petabytes and extabytes of data distributed over multiple nodes in parallel.

HBase is a nonrelational ________ that allows for low-latency, quick lookups in Hadoop.

Many analytics tools are too complex for the average user, and this is one justification for Big Data.

For low latency, interactive reports, a data warehouse is preferable to Hadoop.

In the Luxottica case study, what technique did the company use to gain visibility into its customers?

When considering Big Data projects and architecture, list and describe five challenges designers should be mindful of in order to make the journey to analytics competency less stressful.

Most Big Data is generated automatically by ________.

Big Data simplifies data governance issues, especially for global firms.

The ________ Node in a Hadoop cluster provides client information on where in the cluster particular data is stored and if any nodes fail.

In the energy industry, ________ grids are one of the most impactful applications of stream analytics.

If you have many flexible programming languages running in parallel, Hadoop is preferable to a data warehouse.

In a Hadoop "stack," what is a slave node?

In a Hadoop "stack," what node periodically replicates and stores data from the Name Node should it fail?

Data ________ or pulling of data from multiple subject areas and numerous applications into one repository is the raison d'être for data warehouses.

Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called?

Define MapReduce.

What is Big Data's relationship to the cloud?

As the size and the complexity of analytical systems increase, the need for more ________ analytical systems is also increasing to obtain the best performance.