This PAS-C01 practice question tests your understanding of design of sap workloads on aws. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
An SAP system on AWS is experiencing high CPU utilization on the application server during peak hours. The SAP administrator wants to add a new application server instance to distribute the load. Which AWS service should be used to automatically register the new instance with the existing SAP system's load balancer?
Auto Scaling group
Auto Scaling can automatically register new instances with a load balancer.
AWS Lambda
Why wrong: Lambda is for serverless functions.
Amazon SQS
Why wrong: SQS is a message queue service.
AWS CloudFormation
Why wrong: CloudFormation is for provisioning resources, not automatic scaling.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Auto Scaling group
An Auto Scaling group can automatically launch new EC2 instances based on scaling policies (e.g., when CPU utilization exceeds a threshold) and, when configured with a lifecycle hook or a launch template that includes a user-data script, can register the new instance with the existing SAP system's load balancer (such as an Application Load Balancer or Classic Load Balancer). This ensures the new application server is automatically added to the load balancer target group, distributing incoming traffic without manual intervention.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Auto Scaling group
Why this is correct
Auto Scaling can automatically register new instances with a load balancer.
Related concept
Read the scenario before looking for a memorised answer.
AWS Lambda
Why it's wrong here
Lambda is for serverless functions.
Amazon SQS
Why it's wrong here
SQS is a message queue service.
AWS CloudFormation
Why it's wrong here
CloudFormation is for provisioning resources, not automatic scaling.
Common exam traps
The trap here is that candidates may confuse Auto Scaling groups with CloudFormation, thinking that CloudFormation can dynamically register instances, but CloudFormation is a provisioning tool that does not handle real-time auto-registration of instances with a load balancer.
Detailed technical explanation
Under the hood, an Auto Scaling group can be integrated with a target group for an Application Load Balancer (ALB) or Network Load Balancer (NLB) via the 'Target Group' attachment in the Auto Scaling group configuration. When a new instance is launched, the Auto Scaling group automatically calls the RegisterTargets API to add the instance to the target group, and the load balancer begins routing traffic to it after the health check passes. In SAP environments, this is often combined with a lifecycle hook to run custom scripts (e.g., SAP host agent registration) before the instance is marked healthy, ensuring the SAP system recognizes the new application server.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
The correct answer is: Auto Scaling group — An Auto Scaling group can automatically launch new EC2 instances based on scaling policies (e.g., when CPU utilization exceeds a threshold) and, when configured with a lifecycle hook or a launch template that includes a user-data script, can register the new instance with the existing SAP system's load balancer (such as an Application Load Balancer or Classic Load Balancer). This ensures the new application server is automatically added to the load balancer target group, distributing incoming traffic without manual intervention.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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.
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