AWS Certified Solutions Architect - Associate
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A development team needs to host a website that will be accessed by other teams. The website contents consist of HTML, CSS, client-side JavaScript, and images. Which method is the MOST cost-effective for hosting the website?
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UAnonymous
A
Containerize the website and host it in AWS Fargate.
B
Create an Amazon S3 bucket and host the website there.
C
Deploy a web server on an Amazon EC2 instance to host the website.
D
Configure an Application Load Balancer with an AWS Lambda target that uses the Express.js framework.
Explanation:
Explanation
Correct Answer: B - Create an Amazon S3 bucket and host the website there.
Why S3 is the most cost-effective solution:
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Static Website Hosting: The website consists entirely of static content (HTML, CSS, client-side JavaScript, and images). Amazon S3 provides native static website hosting capabilities that are perfectly suited for this type of content.
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Cost Structure:
- S3: Pay only for storage used and data transfer out. No compute charges, no server management costs.
- Fargate (Option A): Pay for vCPU and memory allocation, even when idle.
- EC2 (Option C): Pay for instance running time 24/7, plus storage and data transfer.
- Lambda + ALB (Option D): Pay for Lambda execution time and ALB usage, plus data transfer.
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Serverless Architecture: S3 static hosting is truly serverless - no servers to provision, manage, or scale. This eliminates operational overhead and associated costs.
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Scalability: S3 automatically scales to handle any amount of traffic without additional configuration or cost for scaling.
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Performance: S3 can be combined with Amazon CloudFront (CDN) for even better performance and lower costs for frequently accessed content.
Why other options are less cost-effective:
- Option A (Fargate): Overkill for static content. Containerization adds complexity and cost for compute resources that aren't needed.
- Option C (EC2): Requires ongoing compute costs, server management, patching, and scaling configuration.
- Option D (Lambda + ALB): Lambda is designed for dynamic compute, not static file serving. Each request would trigger Lambda execution, incurring unnecessary compute costs.
Best Practice: For static websites with no server-side processing, S3 static website hosting is AWS's recommended and most cost-effective solution.
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