Question 1,153 of 1,446
PCDE Migrate data solutions Practice Question
A company wants to migrate their on-premises SQL Server database to Cloud SQL for PostgreSQL using Database Migration Service. They need to minimize downtime. The source database is 2 TB and the network link has 1 Gbps bandwidth. What should they do first?
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
✓
Create a continuous migration job with DMS using a VPC peering connection.
For minimal downtime, a continuous migration job should be used so that after the initial full dump, ongoing changes are replicated until cutover.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use pg_dump to export the database and then import into Cloud SQL.
Why it's wrong here
pg_dump is for PostgreSQL, not SQL Server.
- ✗
Create a one-time migration job to copy the database during a maintenance window.
Why it's wrong here
One-time migration requires a long downtime equal to the dump and import time.
- ✓
Create a continuous migration job with DMS using a VPC peering connection.
Why this is correct
Continuous migration allows CDC to replicate changes, minimizing downtime.
- ✗
Use mysqldump to export and import the database.
Why it's wrong here
mysqldump is for MySQL, not SQL Server, and would require downtime.
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Last reviewed: Jul 4, 2026
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