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Google GCP-DE Exam Syllabus Topics:

Google Data Engineer Sample Questions:

1. You architect a system to analyze seismic dat
a. Your extract, transform, and load (ETL) process runs as a series of MapReduce jobs on an Apache Hadoop cluster. The ETL process takes days to process a data set because some steps are computationally expensive. Then you discover that a sensor calibration step has been omitted. How should you change your ETL process to carry out sensor calibration systematically in the future?

A) Add sensor calibration data to the output of the ETL process, and document that all users need to apply sensor calibration themselves.
B) Introduce a new MapReduce job to apply sensor calibration to raw data, and ensure all other MapReduce jobs are chained after this.
C) Develop an algorithm through simulation to predict variance of data output from the last MapReduce job based on calibration factors, and apply the correction to all data.
D) Modify the transformMapReduce jobs to apply sensor calibration before they do anything else.

2. You are a retailer that wants to integrate your online sales capabilities with different in-home assistants, such as Google Home. You need to interpret customer voice commands and issue an order to the backend systems. Which solutions should you choose?

A) Cloud AutoML Natural Language
B) Cloud Natural Language API
C) Dialogflow Enterprise Edition
D) Cloud Speech-to-Text API

3. What are the minimum permissions needed for a service account used with Google Dataproc?

A) Read and write to Google Cloud Storage; write to Google Cloud Logging
B) Write to Google Cloud Storage; read to Google Cloud Logging
C) Execute to Google Cloud Storage; write to Google Cloud Logging
D) Execute to Google Cloud Storage; execute to Google Cloud Logging

4. For the best possible performance, what is the recommended zone for your Compute Engine instance and Cloud Bigtable instance?

A) Have both the Compute Engine instance and the Cloud Bigtable instance to be in the same zone.
B) Have both the Compute Engine instance and the Cloud Bigtable instance to be in different zones.
C) Have the Cloud Bigtable instance to be in the same zone as all of the consumers of your data.
D) Have the Compute Engine instance in the furthest zone from the Cloud Bigtable instance.

5. Your company maintains a hybrid deployment with GCP, where analytics are performed on your anonymized customer dat a. The data are imported to Cloud Storage from your data center through parallel uploads to a data transfer server running on GCP. Management informs you that the daily transfers take too long and have asked you to fix the problem. You want to maximize transfer speeds. Which action should you take?

A) Increase your network bandwidth from Compute Engine to Cloud Storage.
B) Increase the CPU size on your server.
C) Increase the size of the Google Persistent Disk on your server.
D) Increase your network bandwidth from your datacenter to GCP.

Solutions: