Configure domains, DNS services, and content delivery.

11 practice questions under this official exam objective (SOA-C03) — each with the community-verified answer, a full option-by-option explanation and instant feedback.

SOA-C03 A-grade

How to Fix Forced Logouts Behind CloudFront and an ALB?

Stateful EC2 sessions behind CloudFront and an Application Load Balancer break when CloudFront does not forward cookies and the ALB does not keep each

2 comments
SOA-C03 A-grade

How Do You Cache S3 Video Files at CloudFront Edge Locations?

Moving video files to Amazon S3 while keeping CloudFront caching requires adding S3 as an origin and creating a cache behavior that matches the video

1 comment
SOA-C03 A-grade

How Do You Resolve an On-Premises SQL Server Name from a VPC?

Hybrid DNS resolution from a VPC to an on-premises Microsoft SQL Server requires a Route 53 Resolver outbound endpoint and a forwarding rule for examp

1 comment
SOA-C03 A-grade

How Do You Enforce HTTPS for a CloudFront Custom Domain on AWS?

CloudFront encrypts viewer traffic only when the distribution serves a valid certificate for www.example.com and every cache behavior refuses plain HT

1 comment
SOA-C03 A-grade

How Should You Load Test a New CloudFront Distribution?

CloudFront load testing must simulate real global clients by using multiple geographic regions, independent DNS resolution, and spreading requests acr

1 comment
SOA-C03 A-grade

How Does Route 53 Enable Automated Failover to a DR Region?

Amazon Route 53 failover routing with a health check on the primary record is the native way to achieve automatic active-passive DNS failover between

1 comment
SOA-C03 A-grade

How to Request an ACM Certificate for an App in Another AWS Account?

An ACM certificate must be requested in the development account where the application runs, while Route 53 DNS validation records can be created in th

1 comment
SOA-C03 A-grade

How to speed up S3 static content for US and Europe users?

This SOA-C03 scenario asks how to reduce global latency for static images and videos stored in an S3 bucket in Sydney. The correct design is an Amazon

1 comment
SOA-C03 A-grade

How to Rate-Limit DDoS Protection for a CloudFront-Hosted S3 Website?

This question tests how to apply AWS WAF rate-based rules through CloudFront to control DDoS throttling for an S3-backed public website. The correct d

1 comment
SOA-C03 A-grade

CloudFront CNAME Already Associated with Another Resource

CloudFront alternate domain names must be globally unique, so a CloudFormation stack fails when its CNAMEs are already attached to another distributio

1 comment
SOA-C03 A-grade

How to Shift Blue/Green ALB Traffic Gradually with Route 53 DNS?

Using Route 53 weighted alias records that each point at a blue or green ALB lets you dial a percentage of DNS traffic toward green and raise it over

1 comment