PCNE Practice Question: Designing, Planning, and Prototyping a GCP Network
An organization needs to design a hybrid connectivity solution with 99.99% availability for a mission-critical application. They have a co-location facility near a GCP region. Which THREE components are required to meet this SLA?
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
✓
Two VLAN attachments
For 99.99% SLA with Dedicated Interconnect, you need two links in different edge availability domains, two VLAN attachments, and BGP sessions with Cloud Router.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Two VLAN attachments
Why this is correct
Each link typically has its own VLAN attachment.
- ✓
Two Dedicated Interconnect links in different edge availability domains
Why this is correct
Required for redundancy.
- ✗
One Dedicated Interconnect link with multiple VLAN attachments
Why it's wrong here
Single link only provides 99.9% SLA.
- ✓
Cloud Router with BGP sessions
Why this is correct
BGP sessions are needed for dynamic routing over each VLAN attachment.
- ✗
Classic VPN as a backup
Why it's wrong here
Classic VPN is not part of Dedicated Interconnect; it's a separate solution and not required for the 99.99% SLA with Interconnect.
Visual reference
Go deeper
Related to this question
About these practice questions
Courseiva writes every PCNE question from scratch — 961 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
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.