ANS-C01 Question 126

Question

A company needs to temporarily scale out capacity for an on-premises application and wants to deploy new servers on Amazon EC2 instances. A network engineer must design the networking solution for the connectivity and for the application on AWS. The EC2 instances need to share data with the existing servers in the on-premises data center. The servers must not be accessible from the internet. All traffic to the internet must route through the firewall in the on-premises data center. The servers must be able to access a third-party web application. Which configuration will meet these requirements?
A. Create a VPC that has public subnets and private subnets. Create a customer gateway, a virtual private gateway, and an AWS Site-to-Site VPN connection. Create a NAT gateway in a public subnet. Create a route table, and associate the public subnets with the route table. Add a default route to the internet gateway. Create a route table, and associate the private subnets with the route table. Add a default route to the NAT gateway. Add routes for the data center subnets to the virtual private gateway. Deploy the application to the private subnets.
B. Create a VPC that has private subnets. Create a customer gateway, a virtual private gateway, and an AWS Site-to-Site VPN connection. Create a route table, and associate the private subnets with the route table. Add a default route to the virtual private gateway. Deploy the application to the private subnets.
C. Create a VPC that has public subnets. Create a customer gateway, a virtual private gateway, and an AWS Site-to-Site VPN connection. Create a route table, and associate the public subnets with the route table. Add a default route to the internet gateway. Add routes for the on-premises data center subnets to the virtual private gateway. Deploy the application to the public subnets.
D. Create a VPC that has public subnets and private subnets. Create a customer gateway, a virtual private gateway, and an AWS Site-to-Site VPN connection. Create a route table, and associate the public subnets with the route table. Add a default route to the internet gateway. Create a route table, and associate the private subnets with the route table. Add routes for the on-premises data center subnets to the virtual private gateway. Deploy the application to the private subnets.

Accepted Answer

Marked answer: B. Create a VPC that has private subnets. Create a customer gateway, a virtual private gateway, and an AWS Site-to-Site VPN connection. Create a route table, and associate the private subnets with the route table. Add a default route to the virtual private gateway. Deploy the application to the private subnets.

ANS-C01 Question 126

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ANS-C01 Question 126

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