PAS-C01 Design of SAP Workloads on AWS Practice Question
Which THREE of the following are best practices for securing SAP systems on AWS?
⚠ Common exam trap
Many candidates assume placing SAP instances in public subnets simplifies access for administration or external integrations, but AWS explicitly requires private subnets for production workloads to enforce network isolation and security group control.
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
✓
Encrypt EBS volumes using AWS KMS.
Encrypting EBS volumes using AWS KMS is a best practice because it ensures data at rest is protected with encryption keys managed by AWS Key Management Service. This is critical for SAP systems that handle sensitive business data, as it meets compliance requirements and prevents unauthorized access to the underlying storage. KMS integration with EBS provides transparent encryption with minimal performance impact, and key rotation policies can be enforced automatically.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Encrypt EBS volumes using AWS KMS.
Why this is correct
Encryption protects data at rest.
- ✓
Use security groups to restrict traffic between SAP application and database tiers.
Why this is correct
Security groups provide granular control.
- ✓
Use IAM roles for EC2 instances to access AWS services.
Why this is correct
Using IAM roles for EC2 instances eliminates the need to store long-term AWS credentials on the instance, instead granting temporary, automatically rotated credentials via the instance metadata service. This satisfies the "least privilege" constraint by ensuring SAP applications only obtain permissions required for specific AWS API calls, such as accessing S3 for backups or DynamoDB for logs.
- ✗
Place all SAP instances in public subnets for easier access.
Why it's wrong here
Public subnets expose instances to internet.
- ✗
Store AWS credentials in the SAP application code for API access.
Why it's wrong here
Credentials should not be embedded in code.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.