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Exam Professional Cloud Developer topic 1 question 317 discussion

Actual exam question from Google's Professional Cloud Developer
Question #: 317
Topic #: 1
[All Professional Cloud Developer Questions]

You recently deployed an Apigee API proxy to your organization across two regions. Both regions are configured with a separate backend that is hosting the API. You need to configure Apigee to route traffic to the appropriate local region backend. What should you do?

  • A. Create a TargetEndpoint with a weighted load balancing algorithm. Configure the API proxy to use the same weights for each region's backend.
  • B. Configure a regional internal Application Load Balancer in each region, and use health checks to verify that each backend is active. Create a DNS A record that contains the IP addresses of both regions' load balancers. Configure a Targetserver for each region that uses this DNS name.
  • C. Configure a global external Application Load Balancer and configure each region’s backend with a different regional backend service. Each region communicates to this single global external Application Load Balancer as its TargetServer.
  • D. Configure a TargetServer for each region's backend host names. Configure the API proxy to choose the TargetServer based on the system.region.name flow variable.
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Suggested Answer: D 🗳️
by anshad666 at Oct. 12, 2024, 9:24 a.m.

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anshad666
1 month, 1 week ago
Selected Answer: D
Utilizing the system.region.name flow variable allows Apigee to dynamically determine which backend to use based on the region from which the request originates. This enables regional traffic management and helps reduce latency by ensuring that users are routed to the nearest backend.
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