Back in the day I took dozens of exams for Novell's CNE, Microsoft's MCSE, Citrix, and Cisco, so I wasn't too nervous about taking another one. All-in-all the AWS certification was fairly straight forward and comprehensive. The exam guide indicates that it covers topics from EC2, to S3, to RDS, ELB, CloudFront, CloudFormation, etc. And that's true. Study up and get certified.
Now I can officially use the AWS Certified Solutions Architect - Associate logo (above).