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Which one of the following architectural suggestions wo…

A large real-estate brokerage is exploring the option o( adding a cost-effective location based
alert to their existing mobile application The application backend infrastructure currently runs
on AWS Users who opt in to this service will receive alerts on their mobile device regarding
real-estate otters in proximity to their location. For the alerts to be relevant delivery time
needs to be in the low minute count the existing mobile app has 5 million users across the us
Which one of the following architectural suggestions would you make to the customer?

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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 otters EC2
instances will communicate with mobile earners/device providers to push alerts back to mobile
application.

B.
Use AWS DirectConnect or VPN to establish connectivity with mobile carriers EC2 instances will
receive the mobile applications ‘ location through carrier connection: ROS will be used to store
and relevant 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.

Explanation:
AWS using SQS to store the message from mobile apps,and using AWS Mobile Push to send
offers to mobile apps.

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