You are in charge of migrating your actual On-Premise Postgres database to AWS Cloud. There is a requirement that the database must remain fully operational during the migration. Which of these services is well suited for this task?

Answer options:

A.AWS DataSync
B.AWS Server Migration Service
C.AWS Database Migration Service
D.AWS Migration Hub

Correct Answer: C
Option A is incorrect. DataSync is a service mainly used to migrate NFS servers to S3, EFS, Fsx, etc. It does not support database migrations. More details here:
https://aws.amazon.com/datasync/faqs/
Option B is incorrect. AWS Server Migration service is used to migrate on-premises workloads to AWS EC2. It does not support migrations to databases in AWS. More details:
https://aws.amazon.com/server-migration-service/faqs/
Option C is CORRECT. AWS Database Migration Service helps you to migrate your On-Premise database to AWS, keeping the On-Premise database fully operational during the migration. More details:
https://aws.amazon.com/dms/faqs/
Option D is incorrect. AWS Migration Hub is used to track the progress of migrations in AWS. More details here:
https://aws.amazon.com/migration-hub/