This PAS-C01 practice question tests your understanding of operations and maintenance. 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.
A company is running SAP on AWS and wants to automate the deployment of new SAP application servers. The company uses AWS CloudFormation to manage infrastructure. Which AWS service should they use to run custom scripts during the CloudFormation stack creation to configure the SAP application?
AWS Systems Manager Run Command
Why wrong: Run Command is used after instance launch, not during CloudFormation stack creation.
AWS CodeDeploy
Why wrong: CodeDeploy is for application updates, not initial setup.
AWS Lambda
Lambda can be used as a custom resource in CloudFormation to run scripts.
AWS OpsWorks
Why wrong: OpsWorks is a separate configuration management service.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Lambda
Option A is correct because AWS CloudFormation supports custom resources via Lambda functions to run scripts. Option B is wrong because EC2 Run Command is not integrated into CloudFormation natively. Option C is wrong because OpsWorks is for Chef/Puppet, not directly for CloudFormation. Option D is wrong because CodeDeploy is for code deployment, not initial configuration.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS Systems Manager Run Command
Why it's wrong here
Run Command is used after instance launch, not during CloudFormation stack creation.
AWS CodeDeploy
Why it's wrong here
CodeDeploy is for application updates, not initial setup.
AWS Lambda
Why this is correct
Lambda can be used as a custom resource in CloudFormation to run scripts.
Related concept
Static NAT maps one inside address to one outside address.
AWS OpsWorks
Why it's wrong here
OpsWorks is a separate configuration management service.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
Run Command is used after instance launch, not during CloudFormation stack creation.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. 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
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PAS-C01 NAT questions on configuration and troubleshooting.
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FAQ
Operations and Maintenance — This question tests Operations and Maintenance — Static NAT maps one inside address to one outside address..
The correct answer is: AWS Lambda — Option A is correct because AWS CloudFormation supports custom resources via Lambda functions to run scripts. Option B is wrong because EC2 Run Command is not integrated into CloudFormation natively. Option C is wrong because OpsWorks is for Chef/Puppet, not directly for CloudFormation. Option D is wrong because CodeDeploy is for code deployment, not initial configuration.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PAS-C01 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 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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