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Google Professional Cloud Developer Exam - Topic 9 Question 107 Discussion

You are developing a single-player mobile game backend that has unpredictable traffic patterns as users interact with the game throughout the day and night. You want to optimize costs by ensuring that you have enough resources to handle requests, but minimize over-provisioning. You also want the system to handle traffic spikes efficiently. Which compute platform should you use?
A) Cloud Run
B) Compute Engine with managed instance groups
C) Compute Engine with unmanaged instance groups
D) Google Kubernetes Engine using cluster autoscaling

Google Professional Cloud Developer Exam - Topic 9 Question 107 Discussion

Actual exam question for Google's Professional Cloud Developer exam
Question #: 107
Topic #: 9
[All Professional Cloud Developer Questions]

You are developing a single-player mobile game backend that has unpredictable traffic patterns as users interact with the game throughout the day and night. You want to optimize costs by ensuring that you have enough resources to handle requests, but minimize over-provisioning. You also want the system to handle traffic spikes efficiently. Which compute platform should you use?

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Suggested Answer: A

by Haydee at Jun 13, 2025, 09:35 AM

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Dorothea
8 months ago
Wait, can Cloud Run really handle those spikes?
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Danilo
9 months ago
Not sure about that, Compute Engine might be more reliable.
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Freeman
9 months ago
I think Cloud Run is the best choice for unpredictable traffic.
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Paris
9 months ago
Definitely, it scales automatically!
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Nichelle
9 months ago
Kubernetes with autoscaling could be a solid option too!
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Cassi
9 months ago
I’m leaning towards Compute Engine with managed instance groups, but I’m worried about the complexity of managing instances compared to something like Cloud Run.
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Glennis
10 months ago
I feel like Google Kubernetes Engine could be a strong contender too, especially with cluster autoscaling. But I need to double-check if it's overkill for a single-player game backend.
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James
10 months ago
I remember practicing with managed instance groups before, and they seem like a solid option for handling unpredictable traffic. I just hope I don't confuse it with unmanaged groups during the exam.
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Stefan
10 months ago
I think Cloud Run might be a good choice since it automatically scales based on traffic, but I'm not entirely sure if it can handle those sudden spikes effectively.
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Tien
10 months ago
I'm a little confused by the differences between the instance group options. I'll need to research those more to understand how they handle autoscaling and resource provisioning.
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Malcom
11 months ago
This is a great question. I feel confident I can analyze the pros and cons of each option and select the best compute platform to meet the requirements.
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Marylin
11 months ago
Okay, I think I've got a strategy for this. I'll focus on the key requirements of cost optimization and handling traffic spikes, and then evaluate how each platform addresses those needs.
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Willis
11 months ago
Hmm, I'm a bit unsure about this one. I'll need to review the differences between the compute platforms and how they handle autoscaling and resource management.
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Gladys
11 months ago
This looks like a tricky question. I'll need to carefully consider the requirements around cost optimization, handling traffic spikes, and ensuring enough resources.
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Tawna
1 year ago
Why not just use a hamster on a wheel to power the backend? Probably cheaper than all these cloud options.
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Daryl
1 year ago
D) Google Kubernetes Engine using cluster autoscaling
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Eileen
1 year ago
B) Compute Engine with managed instance groups
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Viola
1 year ago
A) Cloud Run
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Shantell
1 year ago
I'm not sure, but A) Cloud Run could also be a good choice for optimizing costs and handling unpredictable traffic patterns.
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Precious
1 year ago
I agree with Basilia. With cluster autoscaling, we can efficiently handle traffic spikes without over-provisioning.
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Basilia
1 year ago
I think D) Google Kubernetes Engine using cluster autoscaling would be the best option.
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Kindra
1 year ago
Kubernetes Engine with autoscaling is the way to go. It's like having your own personal cloud army to handle all the traffic.
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Germaine
1 year ago
D) Google Kubernetes Engine using cluster autoscaling
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Jani
1 year ago
A) Cloud Run
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Yolande
1 year ago
I'd go with Compute Engine with managed instance groups. That way you have more control over the instances and can optimize them for your specific needs.
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Vanna
1 year ago
Cloud Run seems like the way to go here. Handles traffic spikes and you don't have to worry about managing the instances. Seems like a no-brainer.
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Elliot
1 year ago
I would go with Google Kubernetes Engine for efficient handling of traffic spikes.
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Lenny
1 year ago
D) Google Kubernetes Engine using cluster autoscaling
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Paola
1 year ago
I think Cloud Run is the best option for this scenario.
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Alline
1 year ago
A) Cloud Run
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