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Overall MCQs for Reference

  1. What does productionization in machine learning primarily refer to?
    a. Model training
    b. Model development
    c. Deploying models for real-world use
    d. Data collection
    Answer: cml-ops+1​
  2. Which phase is not typically part of production ML lifecycle?
    a. Experimentation
    b. Model serving
    c. Data labelling
    d. Continuous monitoring
    Answer: cmachinelearningmastery+1​
  3. In MLOps, which process allows consistent and automated model deployment?
    a. Manual updates
    b. A/B testing
    c. Continuous Integration/Continuous Delivery (CI/CD)
    d. Transfer Learning
    Answer: cml-ops+1​
  4. Why is data drift important to monitor in production?
    a. It affects code structure
    b. It impacts model latency
    c. It may degrade model performance
    d. It increases training time
    Answer: cevidentlyai+1​
  5. What is model retraining in production systems?
    a. Training on test data
    b. Re-training existing models with new data
    c. Testing model code
    d. Building new datasets
    Answer: bevidentlyai+1​
  6. What is the main benefit of automated data pipelines in production ML?
    a. Lower storage costs
    b. Manual intervention
    c. Improved reproducibility and scalability
    d. Static data updates
    Answer: cmachinelearningmastery+1​
  7. Which is a common method to expose a machine learning model in production?
    a. Jupyter notebook
    b. REST API
    c. CSV file
    d. PowerPoint presentation
    Answer: bmachinelearningmastery+1​
  8. In production ML, rollback strategies are essential because:
    a. They reduce model complexity
    b. They allow reverting to stable versions after failures
    c. They increase data volume
    d. They improve hyperparameter tuning
    Answer: bml-ops+1​
  9. What purpose does monitoring serve for a deployed ML model?
    a. Checking code style
    b. Ensuring prediction quality and system health
    c. Model pre-processing
    d. Retrieving old datasets
    Answer: bevidentlyai+1​
  10. What is model versioning in ML production pipelines?
    a. Changing hyperparameters only
    b. Keeping records of model code changes
    c. Tracking every deployed model version
    d. Data shuffling for training
    Answer: cml-ops+1​
  11. Which standard helps with automated model retraining and deployments?
    a. Agile
    b. CRISP-DM
    c. CI/CD
    d. CMMI
    Answer: cmachinelearningmastery+1​
  12. Model monitoring typically checks all except:
    a. Data drift
    b. Model accuracy
    c. Code syntax errors
    d. Prediction skew
    Answer: cevidentlyai+1​
  13. What is the function of a feature store in ML production?
    a. Visualization
    b. Serving and reusing consistent features
    c. Reducing computation time
    d. Manual annotation
    Answer: bmachinelearningmastery+1​
  14. Which of these is most closely related to model reproducibility?
    a. Feature store versioning
    b. Changing data schemas
    c. Model latency reduction
    d. Graphics processing
    Answer: aml-ops+1​
  15. A shadow deployment refers to:
    a. Serving predictions to end-users only
    b. Running a new model in parallel without affecting users
    c. Model output encryption
    d. Compressing model files
    Answer: bevidentlyai+1​
  16. Why is monitoring system resource usage important for production ML?
    a. Billing users correctly
    b. Detecting performance bottlenecks and scaling needs
    c. Generating synthetic data
    d. Improving UI design
    Answer: bmachinelearningmastery+1​
  17. What is blue-green deployment?
    a. Running models on two types of hardware
    b. Switching traffic between old and new models with minimal downtime
    c. Using blue color for logs
    d. Encrypting user data in green containers
    Answer: bevidentlyai+1​
  18. Continuous monitoring of ML models means:
    a. Monitoring code once
    b. Monitoring input data, predictions, and errors over time
    c. Deleting old logs
    d. Analyzing model hyperparameters
    Answer: bml-ops+1​
  19. What is the main reason to automate retraining in production ML?
    a. Save storage
    b. Adapt model to changing data patterns
    c. Reduce prediction cost
    d. Increase batch size
    Answer: bmachinelearningmastery+1​
  20. Which concept describes when a deployed model’s performance drops on new unseen data?
    a. Overfitting
    b. Underfitting
    c. Model drift
    d. Data augmentation
    Answer: cevidentlyai+1​
  21. ML model explainability tools in production help:
    a. Increase prediction speed
    b. Understand and validate model behavior
    c. Hide model logic
    d. Reduce hardware costs
    Answer: bmachinelearningmastery+1​
  22. Data pipeline orchestration tools mainly support:
    a. Version control
    b. Automating and managing workflow dependencies
    c. GPU allocation
    d. Feature annotation
    Answer: bml-ops+1​
  23. Real-time model serving typically requires:
    a. Batch jobs
    b. Low latency and high throughput systems
    c. Retraining
    d. Manual feature engineering
    Answer: bevidentlyai+1​
  24. Canary deployment is a strategy that:
    a. Randomly deletes models
    b. Gradually rolls out changes to a subset of users
    c. Encrypts model logs
    d. Adds artificial noise
    Answer: bmachinelearningmastery+1​
  25. Audit logging in ML production is important for:
    a. Model training speed
    b. Regulatory compliance and debugging
    c. Data visualization
    d. Metrics aggregation
    Answer: bml-ops+1​
  26. What is inference latency?
    a. Time taken for model development
    b. Time taken for a model to generate prediction
    c. Time spent in feature engineering
    d. Training duration
    Answer: bevidentlyai+1​
  27. Offline batch scoring is best suited for:
    a. Predicting in near real-time
    b. Large-scale prediction tasks scheduled at intervals
    c. Hyperparameter tuning
    d. Image processing
    Answer: bmachinelearningmastery+1​
  28. Robustness tests for production ML models evaluate:
    a. Model accuracy only
    b. Performance under edge cases and adversarial inputs
    c. Data preprocessing speed
    d. Feature scaling technique
    Answer: bevidentlyai+1​
  29. Which is a common testing strategy before production rollout?
    a. Model ensembling
    b. A/B testing
    c. Indexing databases
    d. Stochastic optimization
    Answer: bmachinelearningmastery+1​
  30. What is a model registry used for?
    a. Storing user data
    b. Tracking, storing, and managing model versions
    c. Generating synthetic data
    d. Hyperparameter optimization
    Answer: bml-ops+1​
  31. SLAs (Service Level Agreements) in ML production typically define:
    a. Coding conventions
    b. Maximum expected latency or uptime for predictions
    c. Feature naming
    d. Number of annotations
    Answer: bml-ops+1​
  32. In cloud ML production systems, auto-scaling refers to:
    a. Increasing model accuracy automatically
    b. Adjusting computing resources in response to load
    c. Random data resampling
    d. Feature hashing
    Answer: bml-ops+1​
  33. Which of the following ensures data security in ML production?
    a. Model as a Service
    b. Data encryption and access control
    c. Hyperparameter optimization
    d. Batch normalization
    Answer: bml-ops+1​
  34. What is “concept drift” in deployed ML systems?
    a. Data format change
    b. Change in statistical properties of the target variable
    c. ML model code update
    d. Feature renaming
    Answer: bevidentlyai+1​
  35. Data validation in production ML:
    a. Is skipped for high-performance systems
    b. Helps detect schema or distribution changes early
    c. Is only for model training
    d. Affects visualization only
    Answer: bmachinelearningmastery+1​
  36. Containerization assists ML production because:
    a. It slows down deployment
    b. It isolates dependencies and improves reproducibility
    c. It requires specialized OS
    d. It increases data drift
    Answer: bml-ops+1​
  37. Blue/green deployment helps with:
    a. Feature scaling
    b. Zero-downtime model updates
    c. Output serialization
    d. Log anonymization
    Answer: bevidentlyai+1​
  38. Continuous training (CT) in ML production involves:
    a. Ignoring new data
    b. Frequent retraining with new production data
    c. Changing ML frameworks
    d. Batch prediction only
    Answer: bmachinelearningmastery+1​
  39. Which of these helps prevent feature drift?
    a. Model hyperparameter tuning
    b. Feature store and data validation scripts
    c. Logging model errors
    d. Output anonymization
    Answer: bml-ops+1​
  40. ML model fairness checks in production are used to:
    a. Increase cost
    b. Ensure model predictions do not exhibit bias
    c. Speed up inference
    d. Aggregate features
    Answer: bevidentlyai+1​
  41. Service orchestration frameworks (e.g., Airflow, Kubeflow) enable:
    a. Scheduling and automating ML pipelines
    b. Data visualization
    c. Model serialization
    d. Reducing feature space
    Answer: amachinelearningmastery+1​
  42. For high-availability in ML prediction services, use:
    a. Feature hashing
    b. Load balancing and redundancy
    c. Model pruning
    d. Bagging
    Answer: bml-ops+1​
  43. Which of these tests is used to validate production code endpoints?
    a. Focus group
    b. Endpoint smoke testing
    c. Feature hashing
    d. Principal component analysis
    Answer: bevidentlyai+1​
  44. Model canarying is best described as:
    a. Running end-to-end tests
    b. Gradually exposing a new model to a small % of production traffic
    c. Heavy batch processing
    d. Feature scrambling
    Answer: bmachinelearningmastery+1​
  45. What does inference logging help track?
    a. Model training duration
    b. Input data, output predictions, and any errors
    c. Only aggregate metrics
    d. Version control only
    Answer: bml-ops+1​
  46. MLOps is mostly concerned with:
    a. Manual model building
    b. End-to-end lifecycle operations from development to deployment and monitoring
    c. Model visualization
    d. Label propagation
    Answer: bmachinelearningmastery+1​
  47. Anti-pattern for model productionization includes:
    a. Automating deployments
    b. Manual updates without version control
    c. Automated monitoring
    d. Robust CI/CD systems
    Answer: bml-ops+1​
  48. Data lineage supports:
    a. Debugging, reproducibility and compliance tracking in production ML
    b. Batch feature scaling
    c. Model parallelism
    d. GPU resource sharing
    Answer: amachinelearningmastery+1​
  49. Error budgets in ML production mean:
    a. The maximum number of allowable model errors before rollout action is taken
    b. Random cost calculation
    c. Number of training features
    d. Time needed for training
    Answer: aml-ops+1​
  50. What does shift-left testing mean for ML systems?
    a. Post-production validation only
    b. Early integration of testing in development lifecycle
    c. Running tests on end-user devices
    d. Testing after failure
    Answer: bmachinelearningmastery+1​
  1. https://ml-ops.org/content/mlops-principles
  2. https://machinelearningmastery.com/optimizing-machine-learning-models-production-step-by-step-guide/
  3. https://www.evidentlyai.com/ml-in-production
  4. https://www.sanfoundry.com/1000-machine-learning-questions-answers/
  5. https://www.geeksforgeeks.org/quizzes/machine-learning-quiz-questions-and-answers/
  6. https://www.scribd.com/document/801824862/MCQ-Machine-Learning
  7. https://diptisurvase.wordpress.com/wp-content/uploads/2022/09/ml-mcqs.pdf
  8. https://www.placementpreparation.io/mcq/machine-learning/page/4/
  9. https://www.gyansetu.in/blog/machine-learning-mcq-interview-preparation/
  10. https://easyexamnotes.com/machine-learning-mcqs/
  11. https://aimcqs.com/machine-learning
  12. https://www.scribd.com/document/820097467/ALL-QUIZ-QUESTIONS-and-ANSWERS-v2-0-5
  13. https://developers.google.com/machine-learning/crash-course/production-ml-systems
  14. https://developers.google.com/machine-learning/guides/rules-of-ml
  15. https://www.placementpreparation.io/mcq/machine-learning/
  16. https://interviewkickstart.com/blogs/articles/data-science-mcq-answers
  17. https://www.igmguru.com/blog/machine-learning-mcqs
  18. https://www.tredence.com/blog/mlops-a-set-of-essential-practices-for-scaling-ml-powered-applications
  19. https://www.interviewbit.com/machine-learning-mcq/
  20. https://technicalblog.in/languagewise-mcqs/machine-learning-mcqs/

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