Google Exam Professional Data Engineer Topic 6 Question 21 Discussion

Actual exam question for Google's Professional Data Engineer exam

Question #: 21
Topic #: 6

[All Professional Data Engineer Questions]

You are running a pipeline in Cloud Dataflow that receives messages from a Cloud Pub/Sub topic and writes the results to a BigQuery dataset in the EU. Currently, your pipeline is located in europe-west4 and has a maximum of 3 workers, instance type n1-standard-1. You notice that during peak periods, your pipeline is struggling to process records in a timely fashion, when all 3 workers are at maximum CPU utilization. Which two actions can you take to increase performance of your pipeline? (Choose two.)

AIncrease the number of max workers

BUse a larger instance type for your Cloud Dataflow workers

CChange the zone of your Cloud Dataflow pipeline to run in us-central1

DCreate a temporary table in Cloud Bigtable that will act as a buffer for new data. Create a new step in your pipeline to write to this table first, and then create a new pipeline to write from Cloud Bigtable to BigQuery

ECreate a temporary table in Cloud Spanner that will act as a buffer for new data. Create a new step in your pipeline to write to this table first, and then create a new pipeline to write from Cloud Spanner to BigQuery

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Suggested Answer: B, E

by Gracia at May 08, 2022, 01:58 PM

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