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Google Professional Cloud Developer Exam - Topic 8 Question 50 Discussion

You recently deployed your application in Google Kubernetes Engine, and now need to release a new version of your application. You need the ability to instantly roll back to the previous version in case there are issues with the new version. Which deployment model should you use?
C) Perform a blue/green deployment, and test your new application after the deployment is. complete.
A) Perform a rolling deployment, and test your new application after the deployment is complete.
B) Perform A/B testing, and test your application periodically after the new tests are implemented.
D) Perform a canary deployment, and test your new application periodically after the new version is deployed.

Google Professional Cloud Developer Exam - Topic 8 Question 50 Discussion

Actual exam question for Google's Professional Cloud Developer exam
Question #: 50
Topic #: 8
[All Professional Cloud Developer Questions]

You recently deployed your application in Google Kubernetes Engine, and now need to release a new version of your application. You need the ability to instantly roll back to the previous version in case there are issues with the new version. Which deployment model should you use?

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Suggested Answer: C

by Rosio at May 07, 2022, 10:07 PM

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Audra
10 months ago
A/B testing isn’t really meant for rollbacks, right?
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Trinidad
10 months ago
Definitely C! It’s the best for minimizing downtime.
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Aimee
11 months ago
Wait, can you really roll back instantly with blue/green? Sounds too good to be true!
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Erasmo
11 months ago
I think rolling deployments are fine too, but not as safe.
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Rima
11 months ago
Blue/green deployment is the way to go for instant rollbacks!
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Leah
11 months ago
I practiced a similar question, and I feel like rolling deployments might not give you the instant rollback feature we're looking for.
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Peggy
11 months ago
I'm not entirely sure, but I remember something about canary deployments being useful for gradual testing.
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Naomi
11 months ago
I think a blue/green deployment might be the best choice since it allows for an instant rollback if something goes wrong.
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Barrett
11 months ago
A/B testing seems more about comparing versions rather than rolling back quickly, so I don't think that's the right answer.
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Alonzo
11 months ago
Ah, I remember this topic from class. The key is to focus on what's not required in the final prospectus.
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Tamekia
11 months ago
Hmm, I'm not sure I fully understand the concept of business architecture and how it relates to globalization. I'll need to think this through carefully.
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Laurene
11 months ago
Okay, let me think this through step-by-step. Top management support, adequate staffing and training, a thorough information collection process, and independence of the auditing function - those all sound essential. I'll have to double-check, but I think the answer might be D.
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