PCNE Practice Question: Designing, Planning, and Prototyping a GCP Network
A company wants to run a DNS resolution service for their hybrid cloud environment. They need on-premises servers to resolve GCP private VM hostnames, and GCP VMs to resolve on-premises hostnames. Which Google Cloud service should they use?
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
✓
Cloud DNS with inbound and outbound DNS forwarding
Cloud DNS with inbound and outbound DNS forwarding enables bidirectional DNS resolution between on-premises and GCP.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud DNS public zone
Why it's wrong here
Public zones are for internet-facing DNS, not for private hybrid resolution.
- ✗
Cloud DNS private zone with DNS peering
Why it's wrong here
DNS peering is for cross-project resolution, not hybrid.
- ✗
Cloud NAT
Why it's wrong here
Cloud NAT is for outbound internet access, not DNS resolution.
- ✓
Cloud DNS with inbound and outbound DNS forwarding
Why this is correct
Inbound forwarding allows on-prem to query GCP private zones; outbound forwarding allows GCP to query on-prem DNS.
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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.