The answer is to recreate the jobs as AWS Lambda functions and trigger them with Amazon CloudWatch Events (now Amazon EventBridge). This is the most efficient approach because it replaces the persistent, server-bound SQL Server Agent with a fully serverless, event-driven architecture, where Lambda executes the ETL logic directly against the RDS for SQL Server instance without provisioning or managing any compute infrastructure. On the AWS Certified Database Specialty DBS-C01 exam, this scenario tests your understanding of migrating legacy database automation to native AWS services, often appearing as a trap where candidates mistakenly suggest EC2 instances or additional RDS instances to host the Agent. The key insight is that Lambda plus EventBridge eliminates operational overhead entirely, while alternatives like SSM Automation or DMS tasks are designed for different use cases. Memory tip: think "Agent to Event" — SQL Server Agent jobs become Lambda functions triggered by scheduled events, not by a running service.
DBS-C01 Deployment and Migration Practice Question
This DBS-C01 practice question tests your understanding of deployment and migration. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is migrating an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server. The database uses SQL Server Agent jobs for ETL processes. After migration, the company needs to continue running these jobs. What is the MOST efficient way to manage these jobs in the AWS cloud?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Recreate the jobs as AWS Lambda functions and trigger them with Amazon CloudWatch Events.
AWS Lambda functions triggered by Amazon CloudWatch Events (now Amazon EventBridge) provide a serverless, fully managed alternative to SQL Server Agent jobs. This approach eliminates the need to manage any compute infrastructure, as Lambda handles the execution of ETL logic directly against the RDS for SQL Server instance. It is the most efficient because it requires no additional servers, reduces operational overhead, and integrates natively with AWS monitoring and scheduling services.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Recreate the jobs as AWS Lambda functions and trigger them with Amazon CloudWatch Events.
Why this is correct
AWS Lambda can run ETL jobs and be scheduled via CloudWatch Events, replacing SQL Server Agent.
Related concept
Read the scenario before looking for a memorised answer.
✗
Install SQL Server Agent on an Amazon EC2 instance and connect to RDS.
Why it's wrong here
SQL Server Agent cannot connect to RDS for SQL Server from an EC2 instance; RDS does not support SQL Server Agent.
✗
Use the AWS Schema Conversion Tool (AWS SCT) to convert the jobs to PostgreSQL functions.
Why it's wrong here
AWS SCT is for schema conversion, not for job migration, and the target is SQL Server, not PostgreSQL.
✗
Use AWS Database Migration Service (AWS DMS) tasks to replicate the jobs.
Why it's wrong here
AWS DMS does not migrate SQL Server Agent jobs; it only migrates data.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume SQL Server Agent can be installed on an EC2 instance to control RDS, but RDS does not allow external Agent connections, and the correct approach is to use a serverless scheduling service like EventBridge with Lambda to replicate the job logic.
Detailed technical explanation
How to think about this question
SQL Server Agent jobs rely on the SQL Server Agent Windows service, which is not fully available in RDS for SQL Server (only limited job scheduling via the rds_scheduler feature is supported). By migrating ETL logic to Lambda, you gain the ability to use EventBridge rules for cron-based scheduling (rate or cron expressions) and can connect to RDS via the SQL Server Native Client or pyodbc, ensuring the same T-SQL commands are executed. This pattern also enables easy integration with other AWS services like S3 for staging data or SNS for notifications, which is more scalable than traditional Agent jobs.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Deployment and Migration — This question tests Deployment and Migration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Recreate the jobs as AWS Lambda functions and trigger them with Amazon CloudWatch Events. — AWS Lambda functions triggered by Amazon CloudWatch Events (now Amazon EventBridge) provide a serverless, fully managed alternative to SQL Server Agent jobs. This approach eliminates the need to manage any compute infrastructure, as Lambda handles the execution of ETL logic directly against the RDS for SQL Server instance. It is the most efficient because it requires no additional servers, reduces operational overhead, and integrates natively with AWS monitoring and scheduling services.
What should I do if I get this DBS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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