Your Analytics Team Wants to Build a Simple Statistical Model

question 31

Multiple Choice

Your analytics team wants to build a simple statistical model to determine which customers are most likely to work with your company again, based on a few different metrics. They want to run the model on Apache Spark, using data housed in Google Cloud Storage, and you have recommended using Google Cloud Dataproc to execute this job. Testing has shown that this workload can run in approximately 30 minutes on a 15-node cluster, outputting the results into Google BigQuery. The plan is to run this workload weekly. How should you optimize the cluster for cost?

• A) Migrate the workload to Google Cloud Dataflow
• B) Use pre-emptible virtual machines (VMs) for the cluster
• C) Use a higher-memory node so that the job runs faster
• D) Use SSDs on the worker nodes so that the job can run faster

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Definitions:

Inventory Item

An item stored within a company's inventory that is ready or will be ready for sale, including raw materials, work-in-progress, and finished goods.

Gross Profit Method

A technique used in accounting to estimate the amount of ending inventory and cost of goods sold by applying a gross profit margin to sales.

Ending Inventory

The value of goods available for sale at the end of an accounting period, calculated as the beginning inventory plus purchases minus cost of goods sold.

Estimated Cost

An approximation of the cost of a product, project, or operation based on available information prior to actual expenditure.