GCP Professional Cloud Architect Practice Question
A retail company needs to extend its on-premises network to Google Cloud while a larger migration is planned. Each site already has dual 1-Gb internet circuits and can tolerate occasional extra latency but requires encrypted traffic and at least 99.99 % availability. They want a solution deployable within days and without installing new physical links. Which connectivity option best satisfies the interim requirements?
Provision a 10-Gbps Dedicated Interconnect at a nearby colocation facility and attach it to a Cloud Router.
Configure Classic Cloud VPN tunnels with static routes on a single VPN gateway.
Order 200-Mbps Partner Interconnect VLAN attachments through a service provider and enable BGP routing.
Create an HA Cloud VPN gateway and establish two redundant BGP tunnels to Cloud Router for dynamic routing.
Highly available (HA) Cloud VPN creates redundant IPsec tunnels over the public internet and exchanges routes with Cloud Router. Because it uses existing ISP links, it can be provisioned in software within minutes, provides encryption in transit, and carries a 99.99 % SLA when at least two tunnels are established in separate zones. Dedicated and Partner Interconnects meet or exceed the availability goal but require ordering and provisioning physical circuits that can take weeks and incur additional cost. Classic VPN is quick to deploy but its 99.9 % SLA does not meet the stated availability requirement. Therefore, HA Cloud VPN is the best fit for a fast, temporary, highly available connection that relies on existing internet bandwidth.
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What is an HA Cloud VPN?
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How does a Cloud Router enhance connectivity in HA Cloud VPN?
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Why is Dedicated Interconnect unsuitable for quick deployment compared to HA Cloud VPN?
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What is a Cloud Router in Google Cloud?
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What is HA Cloud VPN and how is it different from Classic VPN?
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What is the difference between Partner Interconnect and Dedicated Interconnect?
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GCP Professional Cloud Architect
Designing and planning a cloud solution architecture
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