AWS Certified Big Data – Specialty certification is intended for individuals at least two years of experience using AWS technology. This AWS Certified Big Data specialty validates the knowledge of an individual in:
Implement core AWS Big Data services as per the basic architecture best practices
Design and maintain Big Data
Leverage tools to automate data analysis
If you want to prepare for AWS Big Data Speciality Certification, then I recommend this AWS Big Data Certification course by Intellipaat.
Also, watch this video on Big Data in AWS: