AWS Certified Solutions Architect - Professional
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Ultimate access to all questions.
A big real estate firm is considering the cost-effective addition of a location- based alert to their current mobile application. Currently, the application's backend architecture is hosted on AWS. Users who subscribe up to this service will get smartphone notifications about real-estate otters in their vicinity. To be relevant, warnings must be sent within a few minutes. The present mobile application is used by 5 million people in the United States. Which of the following architectural recommendations would you offer to a client?
A
The mobile application will submit its location to a web service endpoint utilizing Elastic Load Balancing and EC2 instances; DynamoDB will be used to store and retrieve relevant offers EC2 instances will communicate with mobile earners/device providers to push alerts back to mobile application.
B
Use AWS Direct Connect or VPN to establish connectivity with mobile carriers EC2 instances will receive the mobile applications location through carrier connection: RDS will be used to store and relevant offers. EC2 instances will communicate with mobile carriers to push alerts back to the mobile application.
C
The mobile application will send device location using SQS. EC2 instances will retrieve the relevant others from DynamoDB. AWS Mobile Push will be used to send offers to the mobile application.
D
The mobile application will send device location using AWS Mobile Push EC2 instances will retrieve the relevant offers from DynamoDB. EC2 instances will communicate with mobile carriers/device providers to push alerts back to the mobile application.