Practice Test 3 | Google Cloud Certified Professional Cloud Network Engineer | Dumps | Mock Test
A firm has three GCP organisations with one VPC in each, namely VPC-N1, VPC-N2 and VPC-N3.
- Org1, VPC-N1 has two subnets with CIDR 10.0.0.0/24 and 10.0.2.0/24 respectively
- Org2, VPC-N2 has two subnets with CIDR 10.0.3.0/24 and 10.0.4.0/24 respectively
- Org3, VPC-N3 has one subnet with CIDR 10.0.5.0/24 respectively
- VPC-N1 is peered to VPC-N2 and VPC-N2 is also peered to VPC-N3
You have been asked to create a second subnet in VPC-N3 with a CIDR 10.0.1.128/25. What would have when you attempt to create this subnet?
A. The creation of the subnet will succeed and all subnets in VPC-N2 would be able to reach it.
B. The creation of the subnet will succeed but subnets in VPC-N2 would not be able to reach it because of the conflict with the subnet in VPC-N1
C. The creation of the subnet will succeed and all other subnets in VPC-N2 and VPC-N1 would be able to reach it
D. The subnet creation would fail because of the subnet CIDR conflict with VPC-N1.
Answer: A
Option B, C, D are incorrect. Given CIDR 10.0.1.128/25 is unique and does not conflict with nay other subnet.
https://cloud.google.com/vpc/docs/vpc-peering#networking-features-scenarios explains overlapping subnets.
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