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Answer: Develop an AWS CloudFormation template to provision a VPC and necessary subnets, then deploy this template to a shared services account and utilize AWS Resource Access Manager to share the subnets., Establish AWS Site-to-Site VPN connectivity for the on-premises network.
The most cost-effective solution, considering the requirements and constraints, involves options B and D. Option B suggests using an AWS CloudFormation template to provision a VPC and required subnets, deploying it to a shared services account, and sharing the subnets using AWS Resource Access Manager (RAM). This provides a centralized and efficient management solution for multiple teams. Option D proposes using AWS Site-to-Site VPN for connectivity to the on-premises network, which is appropriate given the relatively low expected data transfer rate of less than 50 Mbps and is more cost-effective compared to AWS Direct Connect and AWS Transit Gateway. Setting up Direct Connect or using Transit Gateway would introduce significantly higher costs that are not justified based on the given traffic expectations.
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A solutions architect is tasked with designing an AWS account structure for a company comprising multiple teams, all operating within the same AWS Region. The company requires a VPC connected to their on-premises network, with an expected data transfer rate of less than 50 Mbps to and from the on-premises network. What combination of steps would be the most cost-effective to meet these requirements? (Select two options.)
A
Develop an AWS CloudFormation template to provision a VPC and necessary subnets, then deploy this template to each individual AWS account.
B
Develop an AWS CloudFormation template to provision a VPC and necessary subnets, then deploy this template to a shared services account and utilize AWS Resource Access Manager to share the subnets.
C
Implement AWS Transit Gateway in conjunction with an AWS Site-to-Site VPN for on-premises network connectivity, and use AWS Resource Access Manager to share the transit gateway.
D
Establish AWS Site-to-Site VPN connectivity for the on-premises network.
E
Set up AWS Direct Connect for on-premises network connectivity.