Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 773 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 773
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

An ecommerce company is running a seasonal online sale. The company hosts its website on Amazon EC2 instances spanning multiple Availability Zones. The company wants its website to manage sudden traffic increases during the sale.

Which solution will meet these requirements MOST cost-effectively?

A. Create an Auto Scaling group that is large enough to handle peak traffic load. Stop half of the Amazon EC2 instances. Configure the Auto Scaling group to use the stopped instances to scale out when traffic increases.
B. Create an Auto Scaling group for the website. Set the minimum size of the Auto Scaling group so that it can handle high traffic volumes without the need to scale out.
C. Use Amazon CloudFront and Amazon ElastiCache to cache dynamic content with an Auto Scaling group set as the origin. Configure the Auto Scaling group with the instances necessary to populate CloudFront and ElastiCache. Scale in after the cache is fully populated.
D. Configure an Auto Scaling group to scale out as traffic increases. Create a launch template to start new instances from a preconfigured Amazon Machine Image (AMI).

Show Suggested Answer

Suggested Answer: D 🗳️

by Andy_09 at Feb. 6, 2024, 7:25 a.m.

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Andy_09

Highly Voted 1 year, 6 months ago

Option D

upvoted 8 times

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ln2718

Most Recent 2 weeks, 6 days ago

Selected Answer: C

The key to the question is this - meet these requirements MOST cost-effectively. Using Cloudfront and Elastic Cache would minimize the cost of scaling out EC2 servers. For this I would choose C over D.

upvoted 1 times

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JA2018

8 months, 3 weeks ago

Selected Answer: D

Reasons? Cost-effective scaling: Allows the company to only pay for the EC2 instances needed during peak traffic periods, automatically scaling up when necessary and scaling down when traffic subsides, which is the most cost-efficient approach. Launch template and AMI: Using a launch template with a preconfigured AMI simplifies the scaling process by ensuring new instances are quickly provisioned with the required configurations.

upvoted 2 times

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viejito

1 year, 2 months ago

En la respuesta C : Al usar servicios como Amazon CloudFront y Amazon ElastiCache para almacenar en caché el contenido dinámico, reduciendo la carga en las instancias de Amazon EC2 y mejorando la velocidad de entrega del contenido a los usuarios finales. Esto resulta en una solución más rentable y eficiente en comparación con la respuesta D : simplemente escalar instancias de EC2 sin considerar medidas adicionales para optimizar el rendimiento y reducir los costos . Por lo que la opción correcta es la C .

upvoted 1 times

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