AWS Certified Advanced Networking - Specialty
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A company’s development team has developed a new product recommendation web service hosted in a VPC with a CIDR block of 192.168.224.0/19. The service is deployed on Amazon EC2 instances behind an Auto Scaling group, which is configured as the target of a Network Load Balancer (NLB). The company aims to test whether users receiving product recommendations spend more than those who do not, and they need to integrate the recommendation engine with their existing production environment, hosted in a VPC with a CIDR block of 192.168.128.0/17, within 5 days for a major sales event. A network engineer must design a solution to integrate these systems with minimal disruption to the existing environments.
Which solution meets these requirements?
A
Create a VPC peering connection between the web service VPC and the existing production VPC. Add a routing rule to the appropriate route table to allow data to flow to 192.168.224.0/19 from the existing production environment and to flow to 192.168.128.0/17 from the web service environment. Configure the relevant security groups and ACLs to allow the systems to communicate.
B
Ask the development team of the web service to redeploy the web service into the production VPC and integrate the systems there.
C
Create a VPC endpoint service. Associate the VPC endpoint service with the NLB for the web service. Create an interface VPC endpoint for the web service in the existing production VPC.
D
Create a transit gateway in the existing production environment. Create attachments to the production VPC and the web service VPC. Configure appropriate routing rules in the transit gateway and VPC route tables for 192.168.224.0/19 and 192.168.128.0/17. Configure the relevant security groups and ACLs to allow the systems to communicate.