Crucial Exams

AWS Certified Solutions Architect Professional SAP-C02 Practice Question

A global e-commerce company hosts its single-page application on EC2 instances behind an Application Load Balancer (ALB) in the us-east-1 Region. The application serves static assets from the path /static and makes personalized API calls at /api. Customers outside North America report first-page load times above 3 seconds, and analysis shows that 70 percent of the requests for /static originate outside the United States, accounting for most of the ALB's peak throughput. The architecture team must reduce end-to-end latency for worldwide users, decrease the load on the origin, keep TLS termination as close to viewers as possible, and ensure that user-specific API responses are never cached. No code or DNS changes to existing URLs are allowed. Which strategy best meets these requirements?

  • Provision AWS Global Accelerator with the ALB as the only endpoint and enable HTTP/2 to improve global TCP performance.

  • Deploy identical EC2 application stacks behind ALBs in multiple Regions and use Amazon Route 53 latency-based routing to direct users to the nearest Region.

  • Enable S3 Transfer Acceleration on a new S3 bucket, migrate all static assets to the bucket, and update the application to reference the new bucket while continuing to access /api through the ALB.

  • Create an Amazon CloudFront distribution in front of the ALB, add a cache behavior for /static/* that uses an optimized cache policy with compression, add a cache behavior for /api/* that uses the CachingDisabled managed policy and forwards all headers, and enable Origin Shield for the ALB origin.

AWS Certified Solutions Architect Professional SAP-C02
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