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.
A company runs SAP ERP on AWS with an Oracle database on an r5.4xlarge instance. The system experiences performance degradation during month-end closing. Monitoring shows high CPU and I/O wait on the database server. The storage is EBS gp2 volumes. The company plans to migrate to SAP HANA in the future. What immediate change should be made to improve performance?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the EBS volumes from gp2 to gp3 to improve I/O performance and throughput.
Switching from gp2 to gp3 provides better baseline performance and higher throughput at lower cost. Option A (increase instance size) might help but is more expensive. Option C (add read replicas) is for RDS, not self-managed Oracle. Option D (migrate to HANA) is a longer-term solution, not immediate. Option B is the most immediate and cost-effective change.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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 AWS RDS Oracle read replicas to offload reporting queries.
Why it's wrong here
The system is self-managed Oracle, not RDS; read replicas are not applicable.
✗
Migrate the database to SAP HANA immediately to improve performance.
Why it's wrong here
Migration is a major project; not an immediate fix.
✓
Change the EBS volumes from gp2 to gp3 to improve I/O performance and throughput.
Why this is correct
gp3 offers more consistent performance and higher throughput at lower cost than gp2.
Related concept
Standard ACLs match source addresses.
✗
Increase the EC2 instance size to r5.8xlarge to provide more CPU and memory.
Why it's wrong here
May help but is costly and does not address I/O wait specifically.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related PAS-C01 ACL questions on filtering logic and placement.
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Change the EBS volumes from gp2 to gp3 to improve I/O performance and throughput. — Switching from gp2 to gp3 provides better baseline performance and higher throughput at lower cost. Option A (increase instance size) might help but is more expensive. Option C (add read replicas) is for RDS, not self-managed Oracle. Option D (migrate to HANA) is a longer-term solution, not immediate. Option B is the most immediate and cost-effective change.
What should I do if I get this PAS-C01 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related PAS-C01 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Question Discussion
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