This PCNE practice question tests your understanding of implementing hybrid interconnectivity. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company wants to migrate a legacy application to Google Cloud that requires low-latency communication with on-premises databases. The application is latency-sensitive and must use private IP addresses only. Which hybrid connectivity solution should they choose?
Partner Interconnect
Partner Interconnect provides dedicated, low-latency private connectivity.
Cloud VPN
Why wrong: Cloud VPN traverses the internet and may introduce unpredictable latency.
Carrier Peering
Why wrong: Carrier Peering does not offer an SLA and is not suitable for latency-sensitive workloads.
Direct Peering
Why wrong: Direct Peering is not recommended for latency-sensitive traffic and has no SLA.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Partner Interconnect
Partner Interconnect is the correct choice because it provides a dedicated, high-bandwidth connection with low latency, supports private IP addresses, and meets the requirement for latency-sensitive communication with on-premises databases. Unlike other options, it offers a Service Level Agreement (SLA) for uptime and performance, ensuring consistent low-latency connectivity.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Partner Interconnect
Why this is correct
Partner Interconnect provides dedicated, low-latency private connectivity.
Related concept
Read the scenario before looking for a memorised answer.
Cloud VPN
Why it's wrong here
Cloud VPN traverses the internet and may introduce unpredictable latency.
Carrier Peering
Why it's wrong here
Carrier Peering does not offer an SLA and is not suitable for latency-sensitive workloads.
Direct Peering
Why it's wrong here
Direct Peering is not recommended for latency-sensitive traffic and has no SLA.
Common exam traps
Google Cloud often tests the misconception that Cloud VPN is sufficient for low-latency requirements, but the trap here is that VPNs introduce encryption overhead and rely on the public internet, which cannot guarantee the low latency and private IP addressing needed for latency-sensitive applications.
Detailed technical explanation
Partner Interconnect uses a VLAN attachment that connects to a supported service provider's MPLS network, allowing private IP communication via BGP sessions. This setup ensures traffic stays off the public internet, reducing latency and providing predictable performance. In real-world scenarios, this is critical for applications like real-time financial trading or database replication where sub-millisecond latency is required.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Implementing hybrid interconnectivity — This question tests Implementing hybrid interconnectivity — Read the scenario before looking for a memorised answer..
The correct answer is: Partner Interconnect — Partner Interconnect is the correct choice because it provides a dedicated, high-bandwidth connection with low latency, supports private IP addresses, and meets the requirement for latency-sensitive communication with on-premises databases. Unlike other options, it offers a Service Level Agreement (SLA) for uptime and performance, ensuring consistent low-latency connectivity.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
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.
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