Google Professional Data Engineer Exam - Topic 3 Question 47 Discussion

Actual exam question for Google's Professional Data Engineer exam

Question #: 47
Topic #: 3

[All Professional Data Engineer Questions]

You operate a logistics company, and you want to improve event delivery reliability for vehicle-based sensors. You operate small data centers around the world to capture these events, but leased lines that provide connectivity from your event collection infrastructure to your event processing infrastructure are unreliable, with unpredictable latency. You want to address this issue in the most cost-effective way. What should you do?

ADeploy small Kafka clusters in your data centers to buffer events.

BHave the data acquisition devices publish data to Cloud Pub/Sub.

CEstablish a Cloud Interconnect between all remote data centers and Google.

DWrite a Cloud Dataflow pipeline that aggregates all data in session windows.

Show Suggested Answer

Suggested Answer: B

by Galen at May 03, 2022, 10:58 PM

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Ashton

4 months ago

Wait, can Kafka really handle that much data?

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Shenika

4 months ago

D might complicate things too much.

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Kenda

4 months ago

C sounds expensive, not sure it's worth it.

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Leigha

4 months ago

I disagree, B could be more scalable.

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Gretchen

5 months ago

A seems like a solid choice for buffering.

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Casie

5 months ago

Establishing a Cloud Interconnect sounds like a solid solution for latency issues, but it might be more expensive than we want.

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Sonia

5 months ago

I think Cloud Pub/Sub could be a good choice since it handles unreliable connections well, but I need to double-check its pricing model.

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Fidelia

5 months ago

I remember studying about using Kafka for buffering events, but I'm not sure if it's the most cost-effective option here.

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Queenie

5 months ago

I practiced a question about using Dataflow for aggregating data, but I’m not clear if that directly addresses the reliability of event delivery.

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Shawana

5 months ago

This seems straightforward enough. The Regulatory compliance dashboard should be able to help us ensure that the App Service instances are deployed to the correct regions, so I'm confident this solution will work.

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Howard

5 months ago

I think I remember data architecture being one of the key components, but I'm not sure if reporting architecture fits the description.

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Sheron

5 months ago

Hmm, this is a tricky one. I'll need to think carefully about the different join syntax options and how they might impact performance.

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Melda

5 months ago

I think the "Global maintenance" profile might be relevant here, but I'm not confident on what the second choice should be. Maybe need to double-check my notes on this!

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