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Google Professional Cloud Architect (PR000213) Exam - Topic 3 Question 124 Discussion

You are designing a large distributed application with 30 microservices. Each of your distributed microservices needs to connect to a database back-end. You want to store the credentials securely. Where should you store the credentials?
C) In a secret management system
A) In the source code
B) In an environment variable
D) In a config file that has restricted access through ACLs

Google Professional Cloud Architect (PR000213) Exam - Topic 3 Question 124 Discussion

Actual exam question for Google's Professional Cloud Architect (PR000213) exam
Question #: 124
Topic #: 3
[All Professional Cloud Architect (PR000213) Questions]

You are designing a large distributed application with 30 microservices. Each of your distributed microservices needs to connect to a database back-end. You want to store the credentials securely. Where should you store the credentials?

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Suggested Answer: C

https://cloud.google.com/docs/authentication/production#providing_credentials_to_your_application


by Remona at Jun 29, 2026, 11:32 AM

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Scarlet
1 day ago
D could work, but it’s still not as secure as C.
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Maile
7 days ago
I agree, C is the way to go! Secret management systems are essential.
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Na
12 days ago
Wait, people still put credentials in source code? That's risky!
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Truman
17 days ago
Storing in environment variables is okay, but not the safest.
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Sheridan
22 days ago
C is definitely the best choice for security!
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Jacquelyne
27 days ago
Config files with ACLs sound okay, but I recall there were concerns about their security if not managed properly.
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Paulina
1 month ago
I think using a secret management system is the best practice for storing credentials securely. It was emphasized in a case study we reviewed.
upvoted 0 times
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Rebeca
1 month ago
I feel like environment variables are a common practice, but I'm not sure if they are the most secure option compared to others.
upvoted 0 times
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Lynelle
1 month ago
I remember discussing the importance of not hardcoding credentials in source code, so I think that's definitely not the right choice.
upvoted 0 times
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