Google Professional Cloud Network Engineer
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You are deploying infrastructure in the us-central1 region. Your on-premises data center is in New York City, and the nearest Google Cloud region is us-east4. Your Cloud Interconnect is in Ashburn, Virginia (VA), United States. You need to use Cloud Interconnect to connect your application infrastructure with backend systems in your data center, with expected bandwidth under 500 Mbps. Your goals are to minimize latency and cost. What should you do?
You are deploying infrastructure in the us-central1 region. Your on-premises data center is in New York City, and the nearest Google Cloud region is us-east4. Your Cloud Interconnect is in Ashburn, Virginia (VA), United States. You need to use Cloud Interconnect to connect your application infrastructure with backend systems in your data center, with expected bandwidth under 500 Mbps. Your goals are to minimize latency and cost. What should you do?
Explanation:
The correct approach involves creating a Cloud Router and VLAN attachments in the us-east4 region, which is closest to the physical Interconnect location in Ashburn, VA, to minimize latency. Enabling global routing in your VPC allows for efficient cross-region communication between your application infrastructure in us-central1 and your backend systems in the data center. Setting the bandwidth on the VLAN attachments to 500 Mbps ensures that you are not over-provisioning and helps in cost minimization. This makes option A the most suitable choice as it meets all the specified requirements including minimizing latency and cost while ensuring the bandwidth does not exceed 500 Mbps.