SAA-C03 · Question #486
SAA-C03 Question #486: Real Exam Question with Answer & Explanation
The correct answer is B: Deploy the application to EC2 instances in an Auto Scaling group across multiple Availability. This design includes: ALB: Supports AWS WAF integration. Auto Scaling Group: Automatically scales based on load. Multi-AZ Deployment: Increases resiliency and availability. AWS WAF: Can be attached to ALB for application-layer protection. "ALB is integrated with AWS WAF. You can
Question
A company is moving a legacy data processing application to the AWS Cloud. The application needs to run on Amazon EC2 instances behind an Application Load Balancer (ALB). The application must handle incoming traffic spikes and continue to work in the event of an application fault in one Availability Zone. The company requires that a Web Application Firewall (WAF) must be attached to the ALB. Which solution will meet these requirements?
Options
- ADeploy the application to EC2 instances in an Auto Scaling group that is in a single Availability
- BDeploy the application to EC2 instances in an Auto Scaling group across multiple Availability
- CDeploy the application to EC2 instances in Auto Scaling groups across multiple AWS Regions.
- DDeploy the application to EC2 instances in an Auto Scaling group across multiple Availability
Explanation
This design includes: ALB: Supports AWS WAF integration. Auto Scaling Group: Automatically scales based on load. Multi-AZ Deployment: Increases resiliency and availability. AWS WAF: Can be attached to ALB for application-layer protection. "ALB is integrated with AWS WAF. You can deploy your EC2 instances in an Auto Scaling group across multiple Availability Zones to ensure high availability." A: Single AZ = not resilient C: AWS WAF cannot attach to Route 53 D: NLB is not supported by AWS WAF
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