The answer is using security groups to restrict network access to SAP application ports and enabling encryption at rest. Security groups act as a virtual firewall for your SAP instances, allowing you to control inbound and outbound traffic at the instance level, which is critical for protecting sensitive SAP data from unauthorized access. Enabling encryption at rest, such as with AWS KMS or SAP-specific encryption, ensures that data stored on EBS volumes or in S3 is unreadable if the physical media is compromised. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your understanding of the shared responsibility model and the principle of least privilege, where public subnets and overly permissive default VPC security groups are common traps to avoid. A helpful memory tip is "Lock and Scramble": lock down access with security groups, then scramble the data with encryption at rest.
PAS-C01 Design of SAP Workloads on AWS Practice Question
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. 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.
Which TWO actions are recommended for securing an SAP system on AWS? (Choose TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable encryption at rest for EBS volumes and RDS instances
Using security groups to control traffic and enabling encryption at rest are key security measures. Option B is wrong because public subnets are not recommended. Option D is wrong because disabling CloudTrail reduces visibility. Option E is wrong because default VPC security groups are too permissive.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Enable encryption at rest for EBS volumes and RDS instances
Place all SAP servers in a public subnet for easier management
Why it's wrong here
Public subnets expose servers to the internet.
✗
Use the default VPC security group for all SAP instances
Why it's wrong here
Default security groups are often too permissive.
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
CIDR notation defines the prefix length.
Block size helps identify subnet boundaries.
Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
The required host count determines the smallest suitable subnet.
TExam Day Tips
→Write the block size before choosing the subnet.
→Check whether the question asks for hosts, subnets or a specific address range.
→Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related PAS-C01 subnetting questions on CIDR, address ranges, and subnet selection.
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: Enable encryption at rest for EBS volumes and RDS instances — Using security groups to control traffic and enabling encryption at rest are key security measures. Option B is wrong because public subnets are not recommended. Option D is wrong because disabling CloudTrail reduces visibility. Option E is wrong because default VPC security groups are too permissive.
What should I do if I get this PAS-C01 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related PAS-C01 subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Question Discussion
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