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Question 114 - SAA-C03 discussion

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A company has created an image analysis application in which users can upload photos and add photo frames to their images. The users upload images and metadata to indicate which photo frames they want to add to their images. The application uses a single Amazon EC2 instance and Amazon DynamoDB to store the metadata.

The application is becoming more popular, and the number of users is increasing. The company expects the number of concurrent users to vary significantly depending on the time of day and day of week. The company must ensure that the application can scale to meet the needs of the growing user base.

Which solution meats these requirements?

A.
Use AWS Lambda to process the photos. Store the photos and metadata in DynamoDB.
Answers
A.
Use AWS Lambda to process the photos. Store the photos and metadata in DynamoDB.
B.
Use Amazon Kinesis Data Firehose to process the photos and to store the photos and metadata.
Answers
B.
Use Amazon Kinesis Data Firehose to process the photos and to store the photos and metadata.
C.
Use AWS Lambda to process the photos. Store the photos in Amazon S3. Retain DynamoDB to store the metadata.
Answers
C.
Use AWS Lambda to process the photos. Store the photos in Amazon S3. Retain DynamoDB to store the metadata.
D.
Increase the number of EC2 instances to three. Use Provisioned IOPS SSD (io2) Amazon Elastic Block Store (Amazon EBS) volumes to store the photos and metadata.
Answers
D.
Increase the number of EC2 instances to three. Use Provisioned IOPS SSD (io2) Amazon Elastic Block Store (Amazon EBS) volumes to store the photos and metadata.
Suggested answer: C

Explanation:

https://www.quora.com/How-can-I-use-DynamoDB-for-storing-metadata-for-Amazon-S3-objectsThis solution meets the requirements of scalability, performance, and availability. AWS Lambda can process the photos in parallel and scale up or down automatically depending on the demand.Amazon S3 can store the photos and metadata reliably and durably, and provide high availability and low latency. DynamoDB can store the metadata efficiently and provide consistent performance. This solution also reduces the cost and complexity of managing EC2 instances and EBS volumes.Option A is incorrect because storing the photos in DynamoDB is not a good practice, as it can increase the storage cost and limit the throughput. Option B is incorrect because Kinesis Data Firehose is not designed for processing photos, but for streaming data to destinations such as S3 or Redshift. Option D is incorrect because increasing the number of EC2 instances and using Provisioned IOPS SSD volumes does not guarantee scalability, as it depends on the load balancer and the application code. It also increases the cost and complexity of managing the infrastructure.Reference:https://aws.amazon.com/certification/certified-solutions-architect-professional/ https://www.examtopics.com/discussions/amazon/view/7193-exam-aws-certified-solutions- architect-professional-topic-1/ https://aws.amazon.com/architecture/


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asked 16/09/2024
Jim Apple
42 questions
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