MLA-C01 Practice Question: ML Solution Monitoring, Maintenance, and Security
A company wants to automatically trigger model retraining when SageMaker Model Monitor detects data drift. Which TWO services should they integrate to achieve this automation? (Choose two.)
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
✓
AWS Lambda
EventBridge can schedule or trigger events based on monitoring job completions, and Lambda can execute the retraining code. SNS is used for notifications but not direct invocation of retraining. Step Functions can orchestrate but is not required for this simple trigger.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Step Functions
Why it's wrong here
Step Functions can orchestrate complex workflows but is not required for a simple trigger.
- ✓
AWS Lambda
Why this is correct
Lambda can run the retraining pipeline code when triggered by EventBridge.
- ✗
Amazon CloudWatch Alarms
Why it's wrong here
CloudWatch Alarms are used for threshold-based alerts, but Model Monitor can directly emit events to EventBridge.
- ✓
Amazon EventBridge
Why this is correct
EventBridge can listen for Model Monitor job completion events and trigger an action.
- ✗
Amazon SNS
Why it's wrong here
SNS is for notifications, not for directly starting a retraining job.
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 MLA-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 MLA-C01 exam.