PCNE Implementing VPC Instances Practice Question
A company has a VPC with a subnet in us-central1. They launched a Compute Engine instance named "app-server" in that subnet without an external IP. They need the instance to be able to download updates from the internet. Which two steps must be taken?
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
✓
Create a Cloud NAT gateway and a Cloud Router in us-central1.
The instance needs outbound internet access via Cloud NAT, which requires a Cloud Router in the region.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure Private Google Access on the subnet.
Why it's wrong here
Private Google Access only allows access to Google APIs, not general internet.
- ✗
Create a VPC firewall rule to allow egress to 0.0.0.0/0.
Why it's wrong here
A firewall rule alone does not provide internet access without an external IP or NAT.
- ✓
Create a Cloud NAT gateway and a Cloud Router in us-central1.
Why this is correct
Cloud NAT requires a Cloud Router in the same region to provide outbound connectivity.
- ✗
Assign a static external IP to the instance.
Why it's wrong here
The requirement is to not have external IPs on the instance.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCNE exam.