Question 840 of 1,446
PCDE Migrate data solutions Practice Question
A company is planning a cutover from an on-premises MySQL database to Cloud SQL after a DMS continuous migration. To ensure minimal downtime and a successful cutover, which TWO actions should be part of the cutover procedure? (Choose TWO.)
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
✓
Stop all writes to the source database.
Before cutover, quiesce writes to source and confirm DMS lag is zero to avoid data loss.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Stop all writes to the source database.
Why this is correct
Prevents new changes during cutover.
- ✗
Increase the source database's CPU.
Why it's wrong here
Not relevant; lag should already be low.
- ✗
Delete the DMS migration job immediately.
Why it's wrong here
Should promote destination first, then delete job.
- ✗
Enable binary logging on Cloud SQL.
Why it's wrong here
Binary logging is not needed after cutover.
- ✓
Verify that DMS replication lag is zero.
Why this is correct
Ensures destination is fully caught up.
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Last reviewed: Jul 4, 2026
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