Explanation:
The correct answer is B: 'Use CloudFront with the ALB as the origin, caching content based on the Accept-Language header.' This solution leverages Amazon CloudFront to distribute content with low latency globally. By setting the cache behavior to take into account the Accept-Language header, CloudFront can serve the appropriate language-specific content efficiently. This approach does not require duplicating infrastructure across multiple regions, thus meeting the company's requirements to avoid recreating architecture while improving performance for international users.
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A company's dynamic website, hosted on Amazon EC2 instances with an Application Load Balancer (ALB) in the us-west-1 Region, experiences high latency for international users. To improve global access without duplicating the architecture, what should be done?
A
Migrate to an Amazon S3 bucket, using CloudFront with cache settings based on the Accept-Language header.
B
Use CloudFront with the ALB as the origin, caching content based on the Accept-Language header.
C
Establish an API Gateway with ALB integration, enabling cache with the Accept-Language header for the API stage.
D
Deploy EC2 instances in other Regions as NGINX cache servers, managed by a Route 53 geolocation policy with the ALB.
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