Your Company Is Migrating Their 30-Node Apache Hadoop Cluster to the Cloud

question 244

Multiple Choice

Your company is migrating their 30-node Apache Hadoop cluster to the cloud. They want to re-use Hadoop jobs they have already created and minimize the management of the cluster as much as possible. They also want to be able to persist data beyond the life of the cluster. What should you do?

• A) Create a Google Cloud Dataflow job to process the data.
• B) Create a Google Cloud Dataproc cluster that uses persistent disks for HDFS.
• C) Create a Hadoop cluster on Google Compute Engine that uses persistent disks.
• D) Create a Cloud Dataproc cluster that uses the Google Cloud Storage connector.
• E) Create a Hadoop cluster on Google Compute Engine that uses Local SSD disks.

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Definitions:

Two-Tailed Tests

Statistical hypothesis tests that consider the possibility of both positive and negative deviations from the null hypothesis.

Critical Values

Specific points on the scale of a statistical distribution that are compared with test statistics to determine whether to reject the null hypothesis.

Upper

Often pertaining to the higher part or section of something; or can refer to a level or boundary that is more than what is typical or usual.

Population Standard Deviation

A measure of the spread of all values in a population, indicating how much the values differ from the mean of the population.