Crucial Exams

AWS Certified Solutions Architect Professional SAP-C02 Practice Question

A financial services company is designing a critical three-tier web application on AWS that must meet a contractual Service Level Agreement (SLA) of 99.9 % availability. The architecture has three serially dependent components:

  1. An Application Load Balancer (ALB)
  2. An Amazon EC2 Auto Scaling group for the web tier
  3. An Amazon RDS for PostgreSQL database for the data tier

A failure in any single component makes the entire application unavailable. Which deployment configuration will satisfy the composite 99.9 % availability SLA?

  • Application Load Balancer across multiple Availability Zones, EC2 Auto Scaling group across multiple Availability Zones, and RDS as a Single-AZ deployment.

  • Application Load Balancer in a single Availability Zone, EC2 Auto Scaling group across multiple Availability Zones, and RDS as a Multi-AZ deployment.

  • Application Load Balancer in a single Availability Zone, EC2 Auto Scaling group in a single Availability Zone, and RDS as a Single-AZ deployment.

  • Application Load Balancer across multiple Availability Zones, EC2 Auto Scaling group across multiple Availability Zones, and RDS as a Multi-AZ deployment.

AWS Certified Solutions Architect Professional SAP-C02
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