PCNE Implementing a Virtual Private Cloud Practice Question
A company needs to connect on-premises to Google Cloud with overlapping IP ranges. The on-premises network uses 10.0.0.0/16 and the VPC uses 10.0.0.0/16. What is the best approach?
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
✓
Use Cloud VPN with source NAT on the on-premises side.
Cloud VPN with source NAT on the on-premises side translates overlapping addresses.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use Cloud NAT.
Why it's wrong here
Cloud NAT is for outbound internet, not site-to-site.
- ✗
Use VPC peering.
Why it's wrong here
VPC peering requires unique IP ranges.
- ✗
Use Private Google Access.
Why it's wrong here
Private Google Access does not solve overlapping IPs.
- ✓
Use Cloud VPN with source NAT on the on-premises side.
Why this is correct
Source NAT allows overlapping IPs by translating them.
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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.