Amazon Web Services AWS Certified Solutions Architect - Associate (SAA-C03) SAA-C03 Question # 260 Topic 27 Discussion

Amazon Web Services AWS Certified Solutions Architect - Associate (SAA-C03) SAA-C03 Question # 260 Topic 27 Discussion

SAA-C03 Exam Topic 27 Question 260 Discussion:
Question #: 260
Topic #: 27

A company plans to use Amazon ElastiCache for its multi-tier web application A solutions architect creates a Cache VPC for the ElastiCache cluster and an App VPC for the application's Amazon EC2 instances Both VPCs are in the us-east-1 Region

The solutions architect must implement a solution to provide tne application's EC2 instances with access to the ElastiCache cluster

Which solution will meet these requirements MOST cost-effectively?


A.

Create a peering connection between the VPCs Add a route table entry for the peering connection in both VPCs Configure an inbound rule for the ElastiCache cluster's security group to allow inbound connection from the application's security group


B.

Create a Transit VPC Update the VPC route tables in the Cache VPC and the App VPC to route traffic through the Transit VPC Configure an inbound rule for the ElastiCache cluster's security group to allow inbound connection from the application's security group


C.

Create a peering connection between the VPCs Add a route table entry for the peering connection in both VPCs Configure an inbound rule for the peering connection's security group to allow inbound connection from the application's secunty group


D.

Create a Transit VPC Update the VPC route tables in the Cache VPC and the App VPC to route traffic through the Transit VPC Configure an inbound rule for the Transit VPCs security group to allow inbound connection from the application's security group


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