Crucial Exams

AWS Certified Solutions Architect Professional SAP-C02 Practice Question

A company runs a latency-sensitive SaaS application that streams real-time market data to customers over WebSocket connections. All traffic is routed through an internet-facing Application Load Balancer (ALB) in us-east-1. Performance reports show a 95th-percentile round-trip latency of about 400 ms for users in Singapore and Sydney. The operations team must reduce latency for those users as quickly as possible, keep the workload in a single AWS Region, and avoid any application code changes. Which solution will most effectively meet these requirements?

  • Deploy reverse-proxy EC2 instances in Regions closest to users that tunnel traffic back to the ALB.

  • Provision a second ALB in ap-southeast-1 and use Amazon Route 53 latency-based DNS records to direct users.

  • Configure AWS Global Accelerator and add the existing ALB as a standard accelerator endpoint.

  • Place an Amazon CloudFront distribution in front of the ALB, forward all viewer headers, and disable caching.

AWS Certified Solutions Architect Professional SAP-C02
Continuous Improvement for Existing Solutions
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