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Google Professional Cloud Database Engineer Exam - Topic 5 Question 3 Discussion

Your team is building an application that stores and analyzes streaming time series financial data. You need a database solution that can perform time series-based scans with sub-second latency. The solution must scale into the hundreds of terabytes and be able to write up to 10k records per second and read up to 200 MB per second. What should you do?
C) Use BigQuery.
A) Use Firestore.
B) Use Bigtable
D) Use Cloud Spanner.

Google Professional Cloud Database Engineer Exam - Topic 5 Question 3 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam
Question #: 3
Topic #: 5
[All Professional Cloud Database Engineer Questions]

Your team is building an application that stores and analyzes streaming time series financial dat

a. You need a database solution that can perform time series-based scans with sub-second latency. The solution must scale into the hundreds of terabytes and be able to write up to 10k records per second and read up to 200 MB per second. What should you do?

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Suggested Answer: C

by Arlette at Aug 20, 2022, 02:48 AM

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Elena
9 months ago
BigQuery is more for analytics, not real-time writes.
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Wayne
9 months ago
Cloud Spanner might be overkill for this use case.
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Samuel
9 months ago
Wait, can Firestore really handle that scale?
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Nobuko
9 months ago
I agree, Bigtable seems like the best fit here.
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Dorothea
9 months ago
Bigtable is designed for high write and read throughput!
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Leigha
9 months ago
Cloud Spanner sounds appealing for scalability, but I’m not confident it can match the performance requirements for time series analysis.
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Fredric
9 months ago
I feel like we practiced a similar question where BigQuery was mentioned, but I don’t think it’s suitable for real-time data ingestion like this.
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Aja
9 months ago
I think Bigtable might be the right choice here since it’s designed for high write and read throughput, but I need to double-check the specifics.
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Ardella
10 months ago
I remember we discussed the importance of sub-second latency for time series data, but I’m not sure if Firestore can handle that level of performance.
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Trinidad
10 months ago
Okay, let me think this through. The question is asking what the output tells us, so I need to look for the specific information that answers that.
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Zona
10 months ago
I definitely think a signed certificate is necessary, but I can't remember if it's the .p12 or .crt format.
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Fredric
10 months ago
I've got a good feeling about this one. The options seem pretty straightforward, so I'll just carefully read through them and select the most likely cause.
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Tommy
10 months ago
Okay, let me think this through. The question is asking for the exception where audit standards may not be used. I'm leaning towards option C, since assignments tied to compliance with contracts, regulations, or grants may have their own specific requirements that take precedence over general audit standards.
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