PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is planning to migrate its SAP ERP system to AWS. The system requires high availability with automatic failover and minimal data loss. Which TWO strategies should the company implement to meet these requirements?
⚠ Common exam trap
It's easy for candidates to confuse backup strategies (like snapshots or cross-region replication) with high-availability solutions, failing to recognize that automatic failover and minimal data loss require synchronous replication and active standby components, not periodic backups or asynchronous replication.
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
✓
Deploy the SAP ASCS instance in a Multi-AZ configuration using AWS services.
Deploying the SAP ASCS instance in a Multi-AZ configuration using AWS services (such as an Amazon RDS Multi-AZ DB instance for the SAP system database or a Multi-AZ deployment for the SAP Central Services) provides automatic failover to a standby instance in a different Availability Zone, ensuring high availability with minimal data loss. This setup leverages synchronous replication to keep the standby synchronized, so failover occurs without significant 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.
- ✗
Implement daily snapshots of all SAP EBS volumes using AWS Backup.
Why it's wrong here
Snapshots are for backup, not continuous high availability.
- ✓
Deploy the SAP ASCS instance in a Multi-AZ configuration using AWS services.
Why this is correct
Multi-AZ provides automatic failover for the central services.
- ✓
Configure SAP HANA System Replication with synchronous data replication and automatic takeover.
Why this is correct
Synchronous replication ensures no data loss and automatic takeover provides high availability.
- ✗
Use AWS Elastic Disaster Recovery to replicate the entire SAP environment to a different Region.
Why it's wrong here
This is for disaster recovery, not high availability within the same region.
- ✗
Use Amazon S3 cross-region replication for all SAP application files.
Why it's wrong here
S3 replication is for object storage, not for real-time HA.
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