PCNE Configuring Network Services Practice Question
A company has a VPC with subnets in us-central1 and europe-west1. They create a Private Service Connect endpoint for a managed service in us-central1. Can Compute Engine instances in europe-west1 access the endpoint?
⚠ Common exam trap
Many candidates assume a VPC is a global construct and therefore any resource within it is globally accessible, but Google Cloud tests the specific regional nature of Private Service Connect endpoints, which are not globally routable within the VPC without additional configuration.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
No, because the endpoint is only accessible from the same region.
Private Service Connect (PSC) endpoints are regional resources. An endpoint created in us-central1 is only accessible from Compute Engine instances within the same region (us-central1) of the VPC. Instances in europe-west1 cannot directly reach the endpoint because traffic would need to cross regional boundaries, which PSC does not support for producer endpoints. Option D correctly identifies this regional restriction.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Yes, if they use a global load balancer in front of the endpoint.
Why it's wrong here
A global load balancer cannot front-end a Private Service Connect endpoint; the endpoint itself is regional.
- ✗
No, unless the VPC is peered with another VPC that contains the endpoint.
Why it's wrong here
Peering does not change regionality; the endpoint remains regional.
- ✗
Yes, because the endpoint is accessible from any region in the VPC.
Why it's wrong here
Private Service Connect endpoints are regional, not global.
- ✓
No, because the endpoint is only accessible from the same region.
Why this is correct
Private Service Connect endpoints are regional; instances must be in the same region to access the endpoint.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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