PCNE Practice Question: Managing, Monitoring, and Optimising Network Operations
A company is migrating to Google Cloud and needs to connect their on-premises data center to a VPC using Cloud VPN with dynamic routing (BGP). They want high availability and automatic failover. Which THREE components are required? (Choose THREE.)
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 Router with BGP enabled
For HA VPN with dynamic routing, you need two VPN gateways (HA), Cloud Router for BGP, and two tunnels (one to each gateway) for redundancy. A single tunnel would be a single point of failure.
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 Router with BGP enabled
Why this is correct
Cloud Router exchanges routes via BGP.
- ✗
A single VPN tunnel
Why it's wrong here
A single tunnel does not provide high availability.
- ✓
Two Cloud VPN gateways (HA VPN)
Why this is correct
HA VPN uses two gateways for redundancy.
- ✗
VPC Network Peering
Why it's wrong here
VPC peering is for connecting VPCs, not on-prem.
- ✓
Two VPN tunnels, each connected to a different gateway
Why this is correct
Two tunnels provide failover.
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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.