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Your company is working with a partner to provide a solution for a customer. Both your company and the partner organization are using GCP. There are applications in the partner's network that need access to some resources in your company's VPC. There is no CIDR overlap between the VPCs. Which two solutions can you implement to achieve the desired results without compromising the security? (Choose two.)
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Question 33 - Professional Cloud Network Engineer discussion

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You are designing a Google Kubernetes Engine (GKE) cluster for your organization. The current cluster size is expected to host 10 nodes, with 20 Pods per node and 150 services. Because of the migration of new services over the next 2 years, there is a planned growth for 100 nodes, 200 Pods per node, and 1500 services. You want to use VPC-native clusters with alias IP ranges, while minimizing address consumption.

How should you design this topology?

A.
Create a subnet of size/25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create a VPC-native cluster and specify those ranges.
Answers
A.
Create a subnet of size/25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create a VPC-native cluster and specify those ranges.
B.
Create a subnet of size/28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create a VPC-native cluster and specify those ranges. When the services are ready to be deployed, resize the subnets.
Answers
B.
Create a subnet of size/28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create a VPC-native cluster and specify those ranges. When the services are ready to be deployed, resize the subnets.
C.
Use gcloud container clusters create [CLUSTER NAME]--enable-ip-alias to create a VPC-native cluster.
Answers
C.
Use gcloud container clusters create [CLUSTER NAME]--enable-ip-alias to create a VPC-native cluster.
D.
Use gcloud container clusters create [CLUSTER NAME] to create a VPC-native cluster.
Answers
D.
Use gcloud container clusters create [CLUSTER NAME] to create a VPC-native cluster.
Suggested answer: A

Explanation:

The service range setting is permanent and cannot be changed. Please see

https://stackoverflow.com/questions/60957040/how-to-increase-the-service-address-range-of-agke-cluster

I think the correc tanswer is A since: Grow is expected to up to 100 nodes (that would be/25), then up to 200 pods per node (100 times 200 = 20000 so /17 is 32768), then 1500 services in a/21 (up to 2048)

https://docs.netgate.com/pfsense/en/latest/book/network/understanding-cidr-subnet-masknotation.html

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asked 18/09/2024
tirou RANGA
34 questions
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