PAS-C01 Operations and Maintenance Practice Question
A company runs SAP ERP on AWS with a multi-AZ deployment. The SAP application tier uses Auto Scaling groups with a custom AMI. After a recent patching of the AMI, the new instances fail to start the SAP application services. What should the administrator do to ensure that the new AMI correctly starts SAP services?
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
✓
Modify the Auto Scaling group launch configuration to include a user data script that starts SAP services
Using user data scripts to start SAP services ensures that new instances automatically start SAP correctly regardless of AMI changes.
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 AWS Systems Manager Run Command to start SAP services on running instances
Why it's wrong here
This is manual and does not scale for Auto Scaling.
- ✗
Configure the SAP service to start via a cron job on the AMI
Why it's wrong here
Cron jobs are not reliable for service startup at boot and may have timing issues.
- ✓
Modify the Auto Scaling group launch configuration to include a user data script that starts SAP services
Why this is correct
User data runs at boot and can start services, decoupling the startup from the AMI.
- ✗
Create a new AMI with SAP services set to auto-start and update the Auto Scaling group
Why it's wrong here
This would fix the current issue but does not prevent future AMI changes from breaking the startup.
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Written by Johnson Ajibi, MSc IT Security
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