Google ACE Planning and Configuring a Cloud Solution Practice Question
A company needs to connect their on-premises data center to Google Cloud via a dedicated, high-bandwidth connection with low latency. They anticipate consistent high traffic. Which connectivity option should they use?
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
✓
Dedicated Interconnect
Dedicated Interconnect provides direct physical connections between on-premises and Google Cloud, offering high bandwidth and low latency. Cloud VPN is over the internet; Carrier Peering is for enterprise customers; VPC peering is for connecting VPCs within Google Cloud.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Carrier Peering
Why it's wrong here
Carrier Peering is a Layer 3 peering arrangement where you connect to Google through a third-party carrier's network, rather than a direct, dedicated link. Because it traverses the carrier's shared infrastructure and the public internet, it offers no guaranteed bandwidth, no private connection, and no Google Cloud SLA for uptime or performance. This makes it unsuitable for a company that needs dependable, low-latency connectivity to a data center, as traffic can be subject to congestion and unpredictable routing.
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Cloud VPN
Why it's wrong here
Cloud VPN is an IPsec VPN tunnel that encrypts traffic and sends it over the public internet to Google Cloud. It is a valid connectivity option, but it does not provide a dedicated or private connection—bandwidth, latency, and availability depend on internet conditions and are not covered by a Google Cloud SLA. For a company requiring consistent, high-throughput connectivity between a data center and Google Cloud, Cloud VPN is wrong because it introduces jitter, variable latency, and potential packet loss that would impact production workloads.
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VPC peering
Why it's wrong here
VPC peering is a method for privately connecting two Virtual Private Cloud (VPC) networks within the same Google Cloud organization (or across organizations). It is purely an inter-cloud networking feature and does not provide any physical or tunneled connection to an on-premises data center. Therefore, VPC peering is wrong for this scenario because it cannot bridge a company's data center to Google Cloud; it only allows existing VPCs to communicate internally using private RFC 1918 IP addresses.
- ✓
Dedicated Interconnect
Why this is correct
Dedicated Interconnect provides a direct, private physical connection between an on-premises data center and Google Cloud, typically via a co-location facility with one or more 10 Gbps or 100 Gbps links. This dedicated, high-bandwidth link bypasses the public internet, delivering more consistent latency, higher throughput, and an SLA covering availability (up to 99.99% when configured with redundant connections). It is the correct choice here because it is purpose-built for hybrid cloud connectivity that requires reliable, secure, and dedicated bandwidth between a data center and Google Cloud.
Go deeper
Related to this question
Learn chapter
Google Cloud Platform Overview
Key term
Cloud VPN
A Cloud VPN is a service that securely connects your private network to a cloud provider's network over the public internet using encryption and authentication.
Key term
VPC
A Virtual Private Cloud (VPC) is a logically isolated section of a cloud provider's network where you can launch and manage resources like servers and databases with complete control over IP addressing, subnets, route tables, and security.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ACE 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 ACE exam.