AWS Certified Solutions Architect Associate Test 5

Explanation:http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html
→ Using a non-transactional storage engine such as MylSAM. Read replicas require a transactional storage engine. Replication is only supported for the InnoDB storage engine on MySQL and the XtraDB storage engine on MariaDB.