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Predictive Maintenance Quiz

Use Case Scenario:

You're building a predictive maintenance system for a large manufacturing plant. The goal is to predict machine failures using sensor data collected from hundreds of IoT devices installed across the facility. Data is being streamed continuously and needs to be processed in near real-time. You plan to use ML models that rely on time-series data to detect anomalies and trigger alerts.

1. Technical Infrastructure

What infrastructure is best suited?

C. Store all data in Excel sheets on shared drives

B. Use a hybrid architecture with a data lake and streaming ETL pipelines

A. Build a data warehouse with nightly batch ingestion

2. ML-Specific Considerations

Which setup supports this ML use case?

C. Train models once and use them forever

A. Randomly mix all data for model training

B. Maintain training/validation/test split, use feature stores, enable augmentation

3. Change Management & Operations

What process is essential?

B. Hope that sensors never change their schema

C. Ignore new data sources

A. Schema evolution, data drift alerting, and SLAs for data freshness

4. Data Source Identification & Assessment

Which consideration is most critical?

C. Focus solely on historical maintenance logs

B. Catalog real-time sensor feeds, assess latency, and identify ownership

A. Use only internal ERP and HR databases to predict failure

5. Team & Skills

How should your team be structured?

C. Hire one intern and let them figure it out

B. Define clear roles, provide training, set up data stewardship

A. Leave it all to the data scientist

6. Integration & Accessibility

What should be in place?

B. Email sensor logs to team leads daily

A. Create REST APIs and real-time access for operations teams

C. Store data locally on machines for redundancy

7. Data Quality & Governance

Which approach should you prioritize?

C. Skip validation since sensors are accurate

A. Validate data once a month for batch jobs

B. Track lineage, implement validation gates, define real-time quality metrics

Quiz Results

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