CV0-004 Deployment Practice Question
A company is migrating a large on-premises application to AWS. The application uses a SQL Server database and requires minimal downtime. The database is 1 TB. Which THREE services or features should the team consider to achieve a successful migration with minimal downtime? (Select 3)
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 Schema Conversion Tool (AWS SCT)
AWS DMS with CDC enables ongoing replication. AWS SCT converts the schema if needed. Snowball is for offline data transfer which would cause downtime. Direct Connect improves network stability. Boto3 is a Python SDK, not a migration service.
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
Why it's wrong here
Snowball is for offline transfer and would cause downtime.
- ✓
AWS Schema Conversion Tool (AWS SCT)
Why this is correct
Correct. SCT helps convert the schema from SQL Server to the target (e.g., Amazon RDS).
- ✗
AWS Boto3
Why it's wrong here
Boto3 is a Python SDK for AWS, not a migration service.
- ✓
AWS Database Migration Service (DMS) with change data capture (CDC)
Why this is correct
Correct. DMS with CDC allows near-zero downtime.
- ✓
AWS Direct Connect
Why this is correct
Correct. Direct Connect provides a stable, high-bandwidth connection, improving replication performance.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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