You Are Planning to Migrate Your Current On-Premises Apache Hadoop

question 256

Multiple Choice

You are planning to migrate your current on-premises Apache Hadoop deployment to the cloud. You need to ensure that the deployment is as fault-tolerant and cost-effective as possible for long-running batch jobs. You want to use a managed service. What should you do?

• A) Deploy a Cloud Dataproc cluster. Use a standard persistent disk and 50% preemptible workers. Store data in Cloud Storage, and change references in scripts from hdfs:// to gs://
• B) Deploy a Cloud Dataproc cluster. Use an SSD persistent disk and 50% preemptible workers. Store data in Cloud Storage, and change references in scripts from hdfs:// to gs://
• C) Install Hadoop and Spark on a 10-node Compute Engine instance group with standard instances. Install the Cloud Storage connector, and store the data in Cloud Storage. Change references in scripts from hdfs:// to gs://
• D) Install Hadoop and Spark on a 10-node Compute Engine instance group with preemptible instances. Store data in HDFS. Change references in scripts from hdfs:// to gs://

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Definitions:

Tuna

A species of saltwater fish that belongs to the tribe Thunnini, a subgrouping of the mackerel family.

Extant Mammal Groups

Currently living mammalian groups, such as marsupials, rodents, and primates, that have differentiated into distinct species through evolution.

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A diverse group of reptiles of the clade Dinosauria that first appeared during the Mesozoic Era.

Flowering Plants

Plants that produce flowers as reproductive structures, capable of developing into fruit and seeds.