PAS-C01 Operations and Maintenance Practice Question
Which TWO AWS services can be used to automate the restart of an SAP application server when it becomes unresponsive? (Choose 2.)
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
✓
Amazon CloudWatch alarm with an EC2 action to recover the instance
To automate the restart of an SAP application server when unresponsive, two appropriate AWS services are Amazon CloudWatch alarms with an EC2 action to recover the instance (Option B) and AWS Systems Manager Automation documents (Option C). A CloudWatch alarm can monitor a metric (e.g., StatusCheckFailed) and trigger an EC2 Recover action, which stops and starts the instance to restore service. Systems Manager Automation provides pre-defined or custom runbooks to perform automated remediation steps, including restarting services or instances. Option A (Amazon ECS) is for container orchestration, not for EC2 instance recovery. Option D (EC2 Auto Scaling) can replace instances via health checks but is not designed to restart the same instance. Option E (Amazon EventBridge with Lambda) could be used but requires custom coding and is not a native automated restart solution like the two correct options.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon ECS service auto-recovery
Why it's wrong here
For containerized applications.
- ✓
Amazon CloudWatch alarm with an EC2 action to recover the instance
Why this is correct
Alarm can trigger instance recovery.
- ✓
AWS Systems Manager Automation document
Why this is correct
Can restart the instance via automation.
- ✗
EC2 Auto Scaling group with a health check
Why it's wrong here
Terminates and replaces, not restart.
- ✗
Amazon EventBridge with a Lambda function
Why it's wrong here
Can restart but not a direct service; requires custom code.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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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.