A company is migrating a large-scale data warehouse to Amazon Redshift. The on-premises data warehouse is 100 TB. They have a 10 Gbps AWS Direct Connect connection. They want to migrate the historical data and then set up continuous replication for ongoing changes until the final cutover. Which combination of services should they use? (Select TWO)

Answer options:

Use AWS Snowball Edge to migrate the historical data.

Use AWS DataSync for continuous replication.

Use AWS Database Migration Service (DMS) for continuous replication.

Use AWS Application Migration Service (MGN).

Use Amazon Kinesis Data Firehose to stream the historical data.

Use AWS Storage Gateway.

How to approach this question

Identify the bulk transfer method (Snowball) and the continuous replication method (DMS).

Full Answer

For large database migrations, a common pattern is to use AWS Snowball Edge to move the bulk historical data offline (saving network bandwidth). Once the baseline is established, AWS Database Migration Service (DMS) with Change Data Capture (CDC) is used to replicate ongoing changes until the cutover.

Common mistakes

Choosing DataSync for database replication.

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