PAS-C01 Migration Practice Question
A company is migrating an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server. The database is 5 TB and the migration must be completed within a 2-hour downtime window. Which AWS service should be used to perform the initial full load and then replicate ongoing changes?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS Database Migration Service (DMS)
AWS DMS can perform a full load and then continuously replicate changes. Option A (AWS Snowball Edge) is for large data transfer but does not support ongoing replication. Option C (AWS Application Migration Service) is for server migration. Option D (AWS DataSync) is for file transfers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Snowball Edge
Why it's wrong here
Large data transfer, no ongoing replication.
- ✓
AWS Database Migration Service (DMS)
Why this is correct
Supports full load and ongoing replication.
- ✗
AWS Application Migration Service (MGN)
Why it's wrong here
Server migration, not database.
- ✗
AWS DataSync
Why it's wrong here
File-based transfer, not database replication.
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