PCNE Implementing Hybrid Interconnectivity Practice Question
An organization is connecting their on-premises data center to Google Cloud via Partner Interconnect. The partner offers both Layer 2 and Layer 3 connectivity options. The organization wants to manage their own BGP sessions and IP addressing. Which connectivity option should they choose?
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
✓
Layer 2 connectivity
With Layer 2, the service provider delivers a transparent VLAN, and the customer manages the BGP session with Google Cloud Router. Layer 3 would mean the partner manages the routing, which is not desired here.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Any Layer option because they can manage BGP regardless
Why it's wrong here
With Layer 3, the partner manages BGP, so the customer cannot manage it themselves.
- ✓
Layer 2 connectivity
Why this is correct
Layer 2 gives the customer control over BGP sessions and IP addressing.
- ✗
Neither; they must use Dedicated Interconnect
Why it's wrong here
Partner Interconnect can provide Layer 2 connectivity, so Dedicated Interconnect is not required.
- ✗
Layer 3 connectivity
Why it's wrong here
Layer 3 means the service provider manages routing, not the customer.
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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.