Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 397 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02

Question #: 397
Topic #: 1

[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A company needs to store and process image data that will be uploaded from mobile devices using a custom mobile app. Usage peaks between 8 AM and 5 PM on weekdays, with thousands of uploads per minute. The app is rarely used at any other time. A user is notified when image processing is complete.

Which combination of actions should a solutions architect take to ensure image processing can scale to handle the load? (Choose three.)

A. Upload files from the mobile software directly to Amazon S3. Use S3 event notifications to create a message in an Amazon MQ queue.
B. Upload files from the mobile software directly to Amazon S3. Use S3 event notifications to create a message in an Amazon Simple Queue Service (Amazon SQS) standard queue.
C. Invoke an AWS Lambda function to perform image processing when a message is available in the queue.
D. Invoke an S3 Batch Operations job to perform image processing when a message is available in the queue.
E. Send a push notification to the mobile app by using Amazon Simple Notification Service (Amazon SNS) when processing is complete.
F. Send a push notification to the mobile app by using Amazon Simple Email Service (Amazon SES) when processing is complete.

Show Suggested Answer

Suggested Answer: BCE 🗳️

by cypkir at Nov. 22, 2023, 8:17 a.m.

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vibzr2023

Highly Voted 1 year, 5 months ago

BCE... other options incorrect A. Amazon MQ: While viable for durable messaging, it's less scalable and cost-effective compared to SQS for this use case. D. S3 Batch Operations: Designed for batch processing of large datasets, not real-time processing of individual image uploads. F. Amazon SES: Primarily for email delivery, not push notifications to mobile apps.

upvoted 5 times

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shaaam80

Highly Voted 1 year, 6 months ago

Selected Answer: BCE

BCE - SQS + Lambda + SNS

upvoted 5 times

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bjexamprep

Most Recent 1 year, 2 months ago

Selected Answer: BCF

100% vote on SNS over SES, when I see this question. “A user is notified when image processing is complete”, that means the user needs to subscribe the SNS. Then, there are two ways to achieve this: Create different SNS for each user, or create different subscription for each user on the same SNS and apply filter policy. Apparently, the latter one is better, but it still need a heavy administration overhead which can’t not be completed manually. Then, another automation piece will be required to maintain the subscription list. Which is not mentioned in any of the answers. Does that sound a good design? I go with SES, cause it will be much easier to design the solution. I understand SES is not usually for push notification, but I hate complex solutions.

upvoted 2 times