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Google Professional Cloud Developer Exam - Topic 15 Question 13 Discussion

Your application is built as a custom machine image. You have multiple unique deployments of the machine image. Each deployment is a separate managed instance group with its own template. Each deployment requires a unique set of configuration values. You want to provide these unique values to each deployment but use the same custom machine image in all deployments. You want to use out-of-the-box features of Compute Engine. What should you do?
A) Place the unique configuration values in the persistent disk.
B) Place the unique configuration values in a Cloud Bigtable table.
C) Place the unique configuration values in the instance template startup script.
D) Place the unique configuration values in the instance template instance metadata.

Google Professional Cloud Developer Exam - Topic 15 Question 13 Discussion

Actual exam question for Google's Professional Cloud Developer exam
Question #: 13
Topic #: 15
[All Professional Cloud Developer Questions]

Your application is built as a custom machine image. You have multiple unique deployments of the machine image. Each deployment is a separate managed instance group with its own template. Each deployment requires a unique set of configuration values. You want to provide these unique values to each deployment but use the same custom machine image in all deployments. You want to use out-of-the-box features of Compute Engine. What should you do?

Show Suggested Answer Hide Answer
Suggested Answer: A

https://cloud.google.com/compute/docs/instance-groups

by Georgene at May 08, 2022, 06:50 PM

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Erick
10 months ago
Wait, can you really use instance metadata for this? Sounds too easy!
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Ricki
10 months ago
A is a no-go, persistent disks are for storage, not config.
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Monte
11 months ago
Not sure about D, wouldn’t the startup script be more flexible?
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Elvis
11 months ago
I agree, using instance metadata is super convenient!
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Charlie
11 months ago
D seems like the best option for instance-specific values.
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Diane
11 months ago
Cloud Bigtable seems overkill for just configuration values. I lean towards instance metadata, but I wish I had more clarity on the implications.
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Virgilio
11 months ago
I feel like using persistent disks is not ideal for this scenario since we want to keep it simple and use out-of-the-box features.
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Reita
11 months ago
I think placing values in the startup script could work, but it might complicate things if we have to change configurations frequently.
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Mabel
11 months ago
I remember we discussed using instance metadata for passing configuration values in class. It seems like a good fit here, but I'm not entirely sure if it's the best option.
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Alex
11 months ago
Option A looks good to me. Splitting the employee addition and payroll processing between different teams, plus the automatic deposit, seems like it would make it harder for anyone to commit fraud.
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Selma
11 months ago
Hmm, I'm a bit unsure about this one. I know stakeholder engagement is important, but I'm not sure what specific factors can increase the complexity. I'll need to review my notes on stakeholder management to make sure I understand the key considerations.
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Myra
11 months ago
Okay, let's see. A large number of accounts were compromised, so it's probably not just a poorly configured firewall. Malware or an APT seem more likely, but I'll need to weigh the evidence.
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