SAA-C03 · Question #499
A company runs an application on Amazon EC2 instances. The application is deployed in private subnets in three Availability Zones of the us-east-1 Region. The instances must be able to connect to…
The correct answer is B. Deploy a NAT gateway in a public subnet of each Availability Zone. To allow private subnets to access the internet, deploy NAT gateways in a public subnet in each AZ for high availability. NAT instances are less scalable and less fault-tolerant. "To create a highly available architecture, create a NAT gateway in each Availability Zone and…
Question
A company runs an application on Amazon EC2 instances. The application is deployed in private subnets in three Availability Zones of the us-east-1 Region. The instances must be able to connect to the internet to download files. The company wants a design that is highly available across the Region. Which solution should be implemented to ensure that there are no disruptions to internet connectivity?
Options
- ADeploy a NAT instance in a private subnet of each Availability Zone.
- BDeploy a NAT gateway in a public subnet of each Availability Zone.
- CDeploy a transit gateway in a private subnet of each Availability Zone.
- DDeploy an internet gateway in a public subnet of each Availability Zone.
How the community answered
(48 responses)- A6% (3)
- B88% (42)
- C4% (2)
- D2% (1)
Explanation
To allow private subnets to access the internet, deploy NAT gateways in a public subnet in each AZ for high availability. NAT instances are less scalable and less fault-tolerant. "To create a highly available architecture, create a NAT gateway in each Availability Zone and configure your routing to use it."
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