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Question 371 - ANS-C00 discussion

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A company wants to migrate its workloads to the AWS Cloud. The company has two web applications and wants to run them in separate, isolated VPCs. The company needs to use Elastic Load Balancing to distribute requests between application instances.

For security reasons, internet gateways must not be attached to the application VPCs. Inbound HTTP requests to theapplication must be routed through a centralized VPC, and the application VPCs must not be exposed to any other inboundtraffic. The application VPCs cannot be allowed to initiate any outbound connections. What should a network engineer do to meet these requirements?

A.
Run the applications behind private Application Load Balancers (ALBs) in separate VPCs. Create a public Network Load Balancer (NLB) in the centralized VPC. Create target groups for the private DNS names of the ALBs. Configurehost-based routing to route application traffic to the corresponding target group through the NLB.
Answers
A.
Run the applications behind private Application Load Balancers (ALBs) in separate VPCs. Create a public Network Load Balancer (NLB) in the centralized VPC. Create target groups for the private DNS names of the ALBs. Configurehost-based routing to route application traffic to the corresponding target group through the NLB.
B.
Run the applications behind private Application Load Balancers (ALBs) in separate VPCs. Create a public Network Load Balancer (NLB) in the centralized VPC. Create target groups for the private IP addresses of the ALBs. Configurehost-based routing to route application traffic to the corresponding target group through the NLB.
Answers
B.
Run the applications behind private Application Load Balancers (ALBs) in separate VPCs. Create a public Network Load Balancer (NLB) in the centralized VPC. Create target groups for the private IP addresses of the ALBs. Configurehost-based routing to route application traffic to the corresponding target group through the NLB.
C.
Run the applications behind private Network Load Balancers (NLBs) in separate VPCs. Create VPC peering connections between the application VPCs and the centralized VPCreate a public Application Load Balancer (ALB) in thecentralized VPCreate target groups for the private DNS names of the NLBs. Configure host-based routing to route application traffic between individual applications though the ALB.
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C.
Run the applications behind private Network Load Balancers (NLBs) in separate VPCs. Create VPC peering connections between the application VPCs and the centralized VPCreate a public Application Load Balancer (ALB) in thecentralized VPCreate target groups for the private DNS names of the NLBs. Configure host-based routing to route application traffic between individual applications though the ALB.
D.
Run the applications behind private Network Load Balancers (NLBs) in separate VPCs. Configure each NLB as an AWS PrivateLink endpoint service with associated VPC endpoints in the centralized VPC. Create target groups thatinclude the private IP addresses of each endpoint. Create a public Application Load Balancer (ALB) in the centralized VPC. Configure host-based routing to route application traffic to the corresponding target group through the ALB.
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D.
Run the applications behind private Network Load Balancers (NLBs) in separate VPCs. Configure each NLB as an AWS PrivateLink endpoint service with associated VPC endpoints in the centralized VPC. Create target groups thatinclude the private IP addresses of each endpoint. Create a public Application Load Balancer (ALB) in the centralized VPC. Configure host-based routing to route application traffic to the corresponding target group through the ALB.
Suggested answer: D
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asked 16/09/2024
Simon John Mather
44 questions
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