Here are some study resources you can use to prepare for the AWS Certified Solutions Architect - Associate exam:

1. AWS Documentation: Start by reading the AWS documentation to familiarize yourself with the various AWS services and their use cases.
2. AWS Whitepapers: AWS provides several whitepapers that cover best practices, design patterns, and reference architectures for various services. These can be found on the AWS website.
3. AWS Certified Solutions Architect - Associate Exam Guide: This guide provides a comprehensive overview of the exam topics and objectives, and is an essential resource for exam preparation.
4. AWS Certified Solutions Architect - Associate Practice Exam: This online exam is designed to help you assess your readiness for the certification exam and identify areas where you need to focus your study efforts.
5. AWS Certified Solutions Architect - Associate Study Guide: There are several study guides available online that provide detailed explanations of the exam objectives and best practices for preparing for the exam.
6. AWS Online Courses: AWS provides online courses through its AWS Training and Certification portal that can help you prepare for the certification exam. These courses cover the exam topics in depth and provide hands-on experience with the AWS platform.
7. AWS Certified Solutions Architect - Associate Exam Readiness Workshops: AWS offers instructor-led workshops that provide a review of the exam objectives and best practices for preparing for the exam.
8. AWS User Groups: Participating in local AWS user groups can provide you with opportunities to network with other AWS users, ask questions, and learn from experienced professionals.

It is also recommended to gain hands-on experience with AWS services by building and deploying applications on the AWS platform, as this will help you understand the real-world applications of the concepts covered in the exam.