Deciding when to use EC2 hosted databases or AWS managed databases
Identifying relational databases (for example, Amazon RDS, Amazon Aurora)
Identifying NoSQL databases (for example, DynamoDB)
Identifying memory-based databases
Identifying database migration tools (for example AWS Database Migration Service [AWS DMS], AWS Schema Conversion Tool [AWS SCT])
Identifying the components of a VPC (for example, subnets, gateways)
Understanding security in a VPC (for example, network ACLs, security groups)
Understanding the purpose of Amazon Route 53
Identifying edge services (for example, CloudFront, Global Accelerator)
Identifying network connectivity options to AWS (for example AWS VPN, Direct Connect)
Identifying the uses for object storage
Recognizing the differences in Amazon S3 storage classes
Identifying block storage solutions (for example, Amazon Elastic Block Store [Amazon EBS], instance store)
Identifying file services (for example, Amazon Elastic File System [Amazon EFS], Amazon FSx)
Identifying cached file systems (for example, AWS Storage Gateway)
Understanding use cases for lifecycle policies