SAA-C03 · Question #716
A company deploys an application that consists of an Amazon EC2 instance and an Amazon RDS instance in a Single-AZ configuration. The company deploys both instances without public IP addresses. The…
The correct answer is A. Deploy the EC2 instance in the same Availability Zone as the RDS instance. Data transfer between resources in the same Availability Zone within a VPC is free. Deploying the EC2 instance in the same AZ as the RDS instance eliminates inter-AZ data transfer costs, minimizing overall data transfer expenses.
Question
A company deploys an application that consists of an Amazon EC2 instance and an Amazon RDS instance in a Single-AZ configuration. The company deploys both instances without public IP addresses. The company wants to minimize the overall data transfer costs for communication between the EC2 instance and the RDS instance. Which solution will meet this requirement?
Options
- ADeploy the EC2 instance in the same Availability Zone as the RDS instance.
- BDeploy the EC2 instance and the RDS instance in separate Availability Zones within the same
- CConfigure UDP connectivity between the EC2 instance and the RDS instance.
- DConfigure IPv6 connectivity between the EC2 instance and the RDS instance.
How the community answered
(26 responses)- A88% (23)
- B8% (2)
- D4% (1)
Explanation
Data transfer between resources in the same Availability Zone within a VPC is free. Deploying the EC2 instance in the same AZ as the RDS instance eliminates inter-AZ data transfer costs, minimizing overall data transfer expenses.
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