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Google Associate Cloud Engineer Exam - Topic 1 Question 23 Discussion

You have a batch workload that runs every night and uses a large number of virtual machines (VMs). It is fault- tolerant and can tolerate some of the VMs being terminated. The current cost of VMs is too high. What should you do?
B) Run a test using simulated maintenance events. If the test is successful, use N1 Standard VMs when running future jobs.
A) Run a test using simulated maintenance events. If the test is successful, use preemptible N1 Standard VMs when running future jobs.
C) Run a test using a managed instance group. If the test is successful, use N1 Standard VMs in the managed instance group when running future jobs.
D) Run a test using N1 standard VMs instead of N2. If the test is successful, use N1 Standard VMs when running future jobs.

Google Associate Cloud Engineer Exam - Topic 1 Question 23 Discussion

Actual exam question for Google's Associate Cloud Engineer exam
Question #: 23
Topic #: 1
[All Associate Cloud Engineer Questions]

You have a batch workload that runs every night and uses a large number of virtual machines (VMs). It is fault- tolerant and can tolerate some of the VMs being terminated. The current cost of VMs is too high. What should you do?

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Suggested Answer: B

https://cloud.google.com/compute/vm-instance-pricing

by Bok at May 05, 2022, 02:39 AM

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Willow
7 months ago
Wait, can we really rely on preemptible VMs for critical jobs?
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Suzan
7 months ago
Using managed instance groups is a solid approach too.
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Adelaide
8 months ago
Not sure if preemptible VMs are reliable enough for this workload.
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Jeff
8 months ago
I agree, option A sounds like the best choice.
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Alexia
8 months ago
Preemptible VMs can save a lot of money!
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Theron
8 months ago
I feel like we practiced a similar question about VM types, and I think N1 Standard VMs are generally cheaper, but I’m not sure if they’re the best choice here.
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Truman
8 months ago
I think using a managed instance group could help with scaling, but I’m not clear on how that impacts costs compared to just using preemptible VMs.
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Jeff
8 months ago
I remember we discussed preemptible VMs in class, and they seem like a good option since the workload is fault-tolerant. But I'm not entirely sure if they would work for every job.
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Sean
8 months ago
I vaguely recall something about testing maintenance events, but I can't remember if that was specifically for preemptible VMs or just any VM type.
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Armando
8 months ago
Hmm, this seems like a tricky one. I'll need to carefully read through the options and think about the business scenario to figure out the right approach.
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Ammie
8 months ago
Data consistency is critical, so I want to make sure I get this right. Undo data and isolation level seem like obvious choices, but the other two options have me a bit stumped. I'll have to review my notes and try to reason this through.
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