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Professional-Data-Engineer Exam Dumps - Google Professional Data Engineer Exam

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Question # 17

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?

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.

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Question # 18

Which role must be assigned to a service account used by the virtual machines in a Dataproc cluster so they can execute jobs?

A.

Dataproc Worker

B.

Dataproc Viewer

C.

Dataproc Runner

D.

Dataproc Editor

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Question # 19

Flowlogistic wants to use Google BigQuery as their primary analysis system, but they still have Apache Hadoop and Spark workloads that they cannot move to BigQuery. Flowlogistic does not know how to store the data that is common to both workloads. What should they do?

A.

Store the common data in BigQuery as partitioned tables.

B.

Store the common data in BigQuery and expose authorized views.

C.

Store the common data encoded as Avro in Google Cloud Storage.

D.

Store he common data in the HDFS storage for a Google Cloud Dataproc cluster.

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Question # 20

Flowlogistic is rolling out their real-time inventory tracking system. The tracking devices will all send package-tracking messages, which will now go to a single Google Cloud Pub/Sub topic instead of the Apache Kafka cluster. A subscriber application will then process the messages for real-time reporting and store them in Google BigQuery for historical analysis. You want to ensure the package data can be analyzed over time.

Which approach should you take?

A.

Attach the timestamp on each message in the Cloud Pub/Sub subscriber application as they are received.

B.

Attach the timestamp and Package ID on the outbound message from each publisher device as they are sent to Clod Pub/Sub.

C.

Use the NOW () function in BigQuery to record the event’s time.

D.

Use the automatically generated timestamp from Cloud Pub/Sub to order the data.

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Question # 21

You are designing the database schema for a machine learning-based food ordering service that will predict what users want to eat. Here is some of the information you need to store:

    The user profile: What the user likes and doesn’t like to eat

    The user account information: Name, address, preferred meal times

    The order information: When orders are made, from where, to whom

The database will be used to store all the transactional data of the product. You want to optimize the data schema. Which Google Cloud Platform product should you use?

A.

BigQuery

B.

Cloud SQL

C.

Cloud Bigtable

D.

Cloud Datastore

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Question # 22

What are two of the characteristics of using online prediction rather than batch prediction?

A.

It is optimized to handle a high volume of data instances in a job and to run more complex models.

B.

Predictions are returned in the response message.

C.

Predictions are written to output files in a Cloud Storage location that you specify.

D.

It is optimized to minimize the latency of serving predictions.

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Question # 23

Which of these operations can you perform from the BigQuery Web UI?

A.

Upload a file in SQL format.

B.

Load data with nested and repeated fields.

C.

Upload a 20 MB file.

D.

Upload multiple files using a wildcard.

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Question # 24

The _________ for Cloud Bigtable makes it possible to use Cloud Bigtable in a Cloud Dataflow pipeline.

A.

Cloud Dataflow connector

B.

DataFlow SDK

C.

BiqQuery API

D.

BigQuery Data Transfer Service

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