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PROFESSIONAL-CLOUD-NETWORK-ENGINEER · Question #263

You are designing a Google Kubernetes Engine 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…

The correct answer is C. Create a subnet of size /25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create. Provision a VPC subnet with a primary range large enough for your nodes (a /25 gives you 128 IPs, covering your planned 100-node cluster) and define two secondary alias-IP ranges sized for pods and services at full scale: - Pods: a /17 (32,766 addresses) easily accommodates 100…

Submitted by anjalisingh· Apr 18, 2026Designing, planning, and prototyping a Google Cloud network

Question

You are designing a Google Kubernetes Engine 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 two 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 address ranges, while minimizing address consumption. How should you design this topology?

Options

  • ACreate a subnet of size /28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create
  • BUse gcloud container clusters create [CLUSTER_NAME]--enable-ip-alias to create a VPC-native
  • CCreate a subnet of size /25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create
  • DUse gcloud container clusters create [CLUSTER_NAME] to create a VPC-native Cluster.

How the community answered

(17 responses)
  • A
    6% (1)
  • B
    6% (1)
  • C
    76% (13)
  • D
    12% (2)

Explanation

Provision a VPC subnet with a primary range large enough for your nodes (a /25 gives you 128 IPs, covering your planned 100-node cluster) and define two secondary alias-IP ranges sized for pods and services at full scale: - Pods: a /17 (32,766 addresses) easily accommodates 100 nodes × 200 pods = 20,000 Pods - Services: a /21 (2,046 addresses) covers 1,500 Services Then create your VPC-native GKE cluster with --enable-ip-alias, pointing at those two secondary ranges. This setup minimizes wasted space while supporting both today’s needs and two-year Exam Questions, Study Guides, Practice Tests. Lead the way to help you pass any IT Certification exams, 100% Pass Guaranteed or Full Refund. Especially Cisco, Microsoft, CompTIA, Citrix, EMC, HP, Oracle, VMware, Juniper, Check Point, LPI, Nortel, EXIN and so on. Our Slogan: First Test, First Pass. Help you to pass any IT Certification exams at the first try. You can reach us at any of the email addresses listed below. Any problems about IT certification or our products, you could rely upon us, we will give you satisfactory answers in 24 hours.

Topics

#GKE Networking#VPC-native#IPAM#CIDR Sizing

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