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Answer: Use global TCP Proxy Load Balancing with backends in both regions.
The question requires a solution that supports TCP pass-through on port 443 with both IPv4 and IPv6 addresses, ensures low latency, high availability, and autoscaling across two regions. Option B, using global TCP Proxy Load Balancing with backends in both regions, is the correct choice because it specifically supports TCP pass-through, routes traffic to the nearest region for low latency, and provides high availability and autoscaling capabilities. Options A and C are incorrect because they involve SSL termination and HTTP(S) load balancing, which do not support TCP pass-through. Option D, while it supports TCP pass-through through Network Load Balancing, does not offer the same level of global traffic management and low latency routing as TCP Proxy Load Balancing.
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You are setting up a new application that will be exposed via an external load balancer with both IPv4 and IPv6 support, using TCP pass-through on port 443. The backends will be distributed across two regions: us-west1 and us-east1. Your goal is to serve content with minimal latency while maintaining high availability and autoscaling. What is the optimal configuration for this setup?
A
Use global SSL Proxy Load Balancing with backends in both regions.
B
Use global TCP Proxy Load Balancing with backends in both regions.
C
Use global external HTTP(S) Load Balancing with backends in both regions.
D
Use Network Load Balancing in both regions, and use DNS-based load balancing to direct traffic to the closest region.
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