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Exam Professional Cloud Developer topic 1 question 203 discussion

Actual exam question from Google's Professional Cloud Developer
Question #: 203
Topic #: 1
[All Professional Cloud Developer Questions]

You are deploying a microservices application to Google Kubernetes Engine (GKE) that will broadcast livestreams. You expect unpredictable traffic patterns and large variations in the number of concurrent users. Your application must meet the following requirements:

• Scales automatically during popular events and maintains high availability
• Is resilient in the event of hardware failures

How should you configure the deployment parameters? (Choose two.)

  • A. Distribute your workload evenly using a multi-zonal node pool.
  • B. Distribute your workload evenly using multiple zonal node pools.
  • C. Use cluster autoscaler to resize the number of nodes in the node pool, and use a Horizontal Pod Autoscaler to scale the workload.
  • D. Create a managed instance group for Compute Engine with the cluster nodes. Configure autoscaling rules for the managed instance group.
  • E. Create alerting policies in Cloud Monitoring based on GKE CPU and memory utilization. Ask an on-duty engineer to scale the workload by executing a script when CPU and memory usage exceed predefined thresholds.
Show Suggested Answer Hide Answer
Suggested Answer: AC 🗳️
by zellck at Dec. 12, 2022, 2:38 p.m.

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closer89
Highly Voted 1 year, 5 months ago
Selected Answer: AC
https://cloud.google.com/kubernetes-engine/docs/concepts/planning-scalability#choosing_multi-zonal_or_single-zone_node_pools
upvoted 5 times
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alpha_canary
Most Recent 6 months ago
Selected Answer: AC
A: https://cloud.google.com/kubernetes-engine/docs/concepts/planning-scalability#choosing_multi-zonal_or_single-zone_node_pools:~:text=To%20deploy%20a%20highly%20available%20application%2C%20distribute%20your%20workload%20across%20multiple%20compute%20zones%20in%20a%20region%20by%20using%20multi%2Dzonal%20node%20pools%20which%20distribute%20nodes%20uniformly%20across%20zones. C: https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-autoscaler#how_cluster_autoscaler_works https://cloud.google.com/kubernetes-engine/docs/concepts/horizontalpodautoscaler
upvoted 1 times
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__rajan__
1 year ago
Selected Answer: AC
AC is correct.
upvoted 1 times
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purushi
1 year, 2 months ago
Selected Answer: AC
1) Is resilient in the event of hardware failures -> Is resilient in the event of hardware failures 2) Scales automatically during popular events and maintains high availability -> Cluster Autoscalar + Horizontal POD Autoscalar
upvoted 1 times
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purushi
1 year, 2 months ago
Selected Answer: AC
A is for resiliency. C is for scalability
upvoted 1 times
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Pime13
1 year, 7 months ago
Selected Answer: BC
https://cloud.google.com/kubernetes-engine/docs/concepts/planning-scalability#choosing_multi-zonal_or_single-zone_node_pools : To deploy a highly available application, distribute your workload across multiple compute zones in a region by using multi-zonal node pools which distribute nodes uniformly across zones.
upvoted 1 times
examprof
10 months, 2 weeks ago
The paragraph you highlight above says "by using MULTI-ZONAL node pools", so why B? A and C are correct!
upvoted 1 times
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TNT87
1 year, 9 months ago
Selected Answer: BC
https://cloud.google.com/kubernetes-engine/docs/concepts/planning-scalability#choosing_multi-zonal_or_single-zone_node_pools Thw answer is B not A, so its BC
upvoted 3 times
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TNT87
1 year, 9 months ago
https://cloud.google.com/blog/products/containers-kubernetes/best-practices-for-creating-a-highly-available https://cloud.google.com/kubernetes-engine/docs/concepts/types-of-clusters#multi-zonal_clusters Answer A, C
upvoted 1 times
TNT87
1 year, 9 months ago
To deploy a highly available application, distribute your workload across multiple compute zones in a region by using multi-zonal node pools which distribute nodes uniformly across zones. Answer B not A
upvoted 1 times
Mark4321
1 year, 9 months ago
A says "using multi-zonal node pools" so I think it is not in contradiction with what you copied from the document. B is not reffering to multi-zonal pools at all.So I think it is A.
upvoted 2 times
TNT87
1 year, 9 months ago
pools is the key word, multi is from multiple.... so it should be pools not pool
upvoted 1 times
wanrltw
10 months, 1 week ago
Read the whole phrase, not just a single word. Option B suggests creating multiple ZONAL node pools, while A suggests a MULTI-ZONAL node pool. GCP documentation recommends option A: https://cloud.google.com/kubernetes-engine/docs/concepts/planning-scalability#choosing_multi-zonal_or_single-zone_node_pools
upvoted 1 times
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TNT87
1 year, 9 months ago
i see yes A is correct
upvoted 1 times
TNT87
1 year, 9 months ago
B is correct not A
upvoted 1 times
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sharath25
1 year, 10 months ago
Selected Answer: AC
option A C
upvoted 1 times
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jcataluna
1 year, 10 months ago
Selected Answer: BC
A multi-zonal node pool. We dont have it on GKE ;)
upvoted 2 times
angelica_santos
1 year, 9 months ago
I don't know if I understood it wrong, but it seems that a multizonal cluster automatically has multizonal node pools, isn't that right? Link: https://cloud.google.com/kubernetes-engine/docs/concepts/node-pools
upvoted 2 times
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zellck
1 year, 10 months ago
Selected Answer: AC
AC is the answer.
upvoted 1 times
TNT87
1 year, 9 months ago
A is wrong, according to Best practices its "To deploy a highly available application, distribute your workload across multiple compute zones in a region by using multi-zonal node pools which distribute nodes uniformly across zones."
upvoted 1 times
TNT87
1 year, 9 months ago
A is correct
upvoted 1 times
TNT87
1 year, 9 months ago
Actuallly the answer is B,C not AC
upvoted 1 times
ash_meharun
1 year, 9 months ago
stick to one answer
upvoted 6 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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