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Google Professional Cloud Developer Exam - Topic 15 Question 102 Discussion

You have an application controlled by a managed instance group. When you deploy a new version of the application, costs should be minimized and the number of instances should not increase. You want to ensure that, when each new instance is created, the deployment only continues if the new instance is healthy. What should you do?
C) Perform a rolling-action with maxHealthy set to 1, maxUnhealthy set to 0.
A) Perform a rolling-action with maxSurge set to 1, maxUnavailable set to 0.
B) Perform a rolling-action with maxSurge set to 0, maxUnavailable set to 1
D) Perform a rolling-action with maxHealthy set to 0, maxUnhealthy set to 1.

Google Professional Cloud Developer Exam - Topic 15 Question 102 Discussion

Actual exam question for Google's Professional Cloud Developer exam
Question #: 102
Topic #: 15
[All Professional Cloud Developer Questions]

You have an application controlled by a managed instance group. When you deploy a new version of the application, costs should be minimized and the number of instances should not increase. You want to ensure that, when each new instance is created, the deployment only continues if the new instance is healthy. What should you do?

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Suggested Answer: C

by Kristofer at Feb 09, 2025, 09:12 AM

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Latanya
9 months ago
D is definitely not the right choice, too many unhealthy instances!
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Teddy
9 months ago
C doesn't make sense, we need healthy instances!
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Shoshana
10 months ago
Wait, can you really set maxSurge to 0? Sounds risky!
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Wenona
10 months ago
I disagree, B seems more reliable for health checks.
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Carli
10 months ago
A is the way to go! Keeps costs down.
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Mona
10 months ago
I’m leaning towards option B since it seems to ensure that we only take down one instance at a time, but I’m not entirely sure about the surge settings.
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Paola
11 months ago
I practiced a similar question where we had to ensure health checks were in place. I feel like maxUnavailable should be 0 to avoid issues.
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Anisha
11 months ago
I think option A sounds familiar because it allows for one new instance while keeping the others healthy, but I’m not completely confident.
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Tamekia
11 months ago
I remember studying rolling updates, but I'm not sure if maxSurge or maxUnavailable is the right choice here.
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Truman
11 months ago
I've done a few rolling updates before, so I think I've got a good handle on this. I'll go with option A - that seems like the best way to minimize costs and ensure healthy instances.
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Iluminada
11 months ago
I'm a bit confused by the different settings for maxSurge, maxUnavailable, maxHealthy, and maxUnhealthy. I'll need to make sure I understand how they work to pick the right approach.
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Ty
11 months ago
Okay, let's see. I think the key is to use a rolling update with the right settings to control the number of instances and health checks. I'll need to review the options closely.
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Curtis
11 months ago
Hmm, this seems like a tricky one. I'll need to think through the deployment options carefully to minimize costs and ensure the new instances are healthy.
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Izetta
1 year ago
Wait, are we deploying the app or playing a game of 'Who's the Healthiest'? I'm so confused, but I'll go with Option A just to be safe.
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Daron
1 year ago
Option D, the 'Healthy Unhealthy' approach! I love it, it's like a game of health tug-of-war.
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Marti
1 year ago
C) Perform a rolling-action with maxHealthy set to 1, maxUnhealthy set to 0.
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Rebbecca
1 year ago
B) Perform a rolling-action with maxSurge set to 0, maxUnavailable set to 1
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Earnestine
1 year ago
A) Perform a rolling-action with maxSurge set to 1, maxUnavailable set to 0.
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Linn
1 year ago
C) Perform a rolling-action with maxHealthy set to 1, maxUnhealthy set to 0.
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Roxane
1 year ago
B) Perform a rolling-action with maxSurge set to 0, maxUnavailable set to 1
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Nana
1 year ago
A) Perform a rolling-action with maxSurge set to 1, maxUnavailable set to 0.
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Hannah
1 year ago
Hmm, Option C looks promising. Ensuring the new instance is healthy before continuing, that's a smart move.
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Kenneth
1 year ago
User 4: Let's go with Option C then, sounds like the best choice.
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Zita
1 year ago
User 3: Agreed, it's a smart way to minimize costs and ensure stability.
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Glendora
1 year ago
User 2: Yeah, making sure the new instance is healthy first is important.
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Lettie
1 year ago
User 3: Agreed, it's a smart move to minimize costs and ensure stability.
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Felix
1 year ago
User 2: Yeah, making sure the new instance is healthy is important.
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Gilma
1 year ago
User 1: I think Option C is the way to go.
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Helga
1 year ago
User 1: I think Option C is the way to go.
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Kirk
1 year ago
I'm leaning towards Option B. Keeping the number of instances the same while rolling out the new version - sounds good to me!
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Ardella
1 year ago
User 2: Yeah, keeping the number of instances the same is important.
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Thaddeus
1 year ago
User 1: I think Option B is the way to go.
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Slyvia
1 year ago
But with maxSurge set to 1, we can ensure that only one new instance is created at a time to minimize costs.
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Chauncey
1 year ago
I disagree, I believe the correct answer is B.
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Dalene
1 year ago
Option A seems like the way to go. Minimizing costs and ensuring the new instance is healthy before moving forward - that's exactly what we need!
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Slyvia
1 year ago
I think the answer is A.
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