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Google Professional Data Engineer Exam - Topic 3 Question 47 Discussion

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?
B) Have the data acquisition devices publish data to Cloud Pub/Sub.
A) Deploy small Kafka clusters in your data centers to buffer events.
C) Establish a Cloud Interconnect between all remote data centers and Google.
D) Write a Cloud Dataflow pipeline that aggregates all data in session windows.

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?

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Suggested Answer: B

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

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Ashton
10 months ago
Wait, can Kafka really handle that much data?
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Shenika
10 months ago
D might complicate things too much.
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Kenda
11 months ago
C sounds expensive, not sure it's worth it.
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Leigha
11 months ago
I disagree, B could be more scalable.
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Gretchen
11 months ago
A seems like a solid choice for buffering.
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Casie
11 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
11 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
11 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
11 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
11 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
11 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
11 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
11 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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