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Answer: Use AWS Resource Access Manager to share the subnets hosting the service provider applications with other accounts within the organization., Ensure that service consumer compute resources utilize the Availability Zone-specific endpoint service by employing the endpoint's local DNS name.
Option A is correct because using AWS Resource Access Manager to share the subnets that host the service provider applications with other accounts in the organization ensures that data transfer remains within the same organization, thereby reducing costs. Option D is also correct because ensuring that service consumer compute resources use the Availability Zone-specific endpoint service by employing the endpoint's local DNS name helps to minimize cross-Availability Zone data transfers, which are typically higher in cost.
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A solutions architect at a company is reviewing the costs of a multi-application environment spread across multiple Availability Zones within a single AWS Region. Following a recent acquisition, the company now manages two organizations within AWS Organizations. The company has established several service provider applications as AWS PrivateLink-powered VPC endpoint services in one organization and multiple service consumer applications in the other organization. The solutions architect has noticed that data transfer charges are significantly higher than anticipated and needs to reduce these costs. To achieve this, the solutions architect must provide guidelines for developers to follow when deploying services, with the aim of minimizing data transfer charges across the entire environment. Which two guidelines should the solutions architect recommend?
A
Use AWS Resource Access Manager to share the subnets hosting the service provider applications with other accounts within the organization.
B
Deploy both the service provider and service consumer applications within AWS accounts belonging to the same organization.
C
Disable cross-zone load balancing for the Network Load Balancer in all deployments of service provider applications.
D
Ensure that service consumer compute resources utilize the Availability Zone-specific endpoint service by employing the endpoint's local DNS name.
E
Establish a Savings Plan that offers sufficient coverage for the organization's expected inter-Availability Zone data transfer usage.