Amazon Web Services (AWS)   AWS Certified Big Data Specialty

About the AWS Certified Big Data Specialty category (1)
Passed AWS Big data speciality with 82% ( 2 ) (23)
Passed with 74% - Practice tests are not helpful (11)
In general, how does ML researcher scale GPU with different algorithm? (1)
Instance types for machine learning and adhoc querying (1)
AWS IoT real-time alert (10)
A question about big data security (1)
DynamoDB+SQS vs Kinesis+Redshift in case of regular log vs emergency (6)
Choose among RDS Redshift DynamoDB ES (3)
Which one is correct? (5)
Transient EMR cluster or Use an EMR cluster? (5)
How important may be Kinesis Medias and Analytics for the exam? (2)
Choose Presto or Pig? (5)
Redshift permission with view (5)
Practice test Papers not relevant (4)