Question 1

You work for a manufacturing plant that batches application log files together into a single log file once a day at 2:00 AM. You have written a Google Cloud Dataflow job to process that log file. You need to make sure the log file in processed once per day as inexpensively as possible. What should you do?

Options :

A : Change the processing job to use Google Cloud Dataproc instead

B : Manually start the Cloud Dataflow job each morning when you get into the office.

C : Create a cron job with Google App Engine Cron Service to run the Cloud Dataflow job.

D : Configure the Cloud Dataflow job as a streaming job so that it processes the log data immediately.

Answer: C

Question 2

You are creating a model to predict housing prices. Due to budget constraints, you must run it on a single resource-constrained virtual machine. Which learning algorithm should you use?

Options :

A : Linear regression

B : Logistic classification

C : Recurrent neural network

D : Feedforward neural network

Answer: A

Question 3

Which of these are examples of a value in a sparse vector? (Select 2 answers.)

Options :

A : [0, 5, 0, 0, 0, 0]

B : [0, 0, 0, 1, 0, 0, 1]

C : [0, 1]

D : [1, 0, 0, 0, 0, 0, 0]

Answer: C,D

Question 4

You have several Spark jobs that run on a Cloud Dataproc cluster on a schedule. Some of the jobs run in sequence, and some of the jobs run concurrently. You need to automate this process. What should you do?

Options :

A : Create a Cloud Dataproc Workflow Template

B : Create an initialization action to execute the jobs

C : Create a Directed Acyclic Graph in Cloud Composer

D : Create a Bash script that uses the Cloud SDK to create a cluster, execute jobs, and then tear down the cluster

Answer: C

Question 5

When using Cloud Data Fusion you receive an error that a Dataproc operation failed and the user is not authorized to act as a service account. What would you do to correct this problem?

Options :

A : Create a Cloud Dataproc cluster before starting Cloud Data Fusion.

B : Grant the Service Account User role to Cloud Data Fusion.

C : Grant the Service Account User role to Cloud Dataproc.

D : Ensure both Cloud Data Fusion and Cloud Dataproc are running in the same zone.

Answer: B