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Answer: Configure an HTTP load balancer, and direct the traffic to it.
The Network Load Balancer (NLB) is a regional Layer 4 load balancer, meaning traffic from Asia must traverse long distances to reach the us-central1 backend, causing high latency. The HTTP(S) Load Balancer (Option B) is a global Layer 7 load balancer. It uses Google's global frontend infrastructure to terminate user connections closer to their location (e.g., in Asia) and routes traffic over Google's optimized backbone network to the us-central1 backend. This reduces latency compared to a direct regional NLB setup. Policy-based routes (A) and Dynamic Routing (C) do not address cross-region latency. Reducing DNS TTL (D) affects DNS update speed, not latency.
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To reduce latency for users in Asia accessing your web application currently hosted in us-central1, you've configured a network load balancer without performance improvement. What is the recommended solution?
A
Configure a policy-based route rule to prioritize the traffic.
B
Configure an HTTP load balancer, and direct the traffic to it.
C
Configure Dynamic Routing for the subnet hosting the application.
D
Configure the TTL for the DNS zone to decrease the time between updates.