PCNE Implementing Hybrid Interconnectivity Practice Question
A company is deploying a Dedicated Interconnect connection between their on-premises data center and Google Cloud. They require 99.99% availability for the interconnect. Which two actions must they take 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
✓
Order two 10 Gbps circuits in different metro areas
To achieve 99.99% availability for Dedicated Interconnect, you need two connections with at least 10 Gbps each, placed in different metropolitan areas (different metro zones). This provides redundancy even if a whole metro area fails.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Order two 10 Gbps circuits in different metro areas
Why this is correct
Two circuits in different metro areas provide geo-redundancy, meeting the 99.99% SLA requirement.
- ✗
Order four 10 Gbps circuits in the same metro area
Why it's wrong here
While more circuits improve capacity, they do not protect against metro failure. The SLA specifically requires two circuits in different metros.
- ✗
Order a single 10 Gbps circuit
Why it's wrong here
A single circuit does not provide redundancy; any failure will cause outage.
- ✗
Order two 10 Gbps circuits in the same metro area
Why it's wrong here
Same metro area does not protect against metro-level failures; SLA requires two different metros.
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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.