Interview Questions and Answers
Freshers / Beginner level questions & answers
Ques 1. What is Amazon SageMaker?
Amazon SageMaker is a fully managed machine learning service provided by AWS that enables developers and data scientists to build, train, and deploy machine learning models quickly and easily.
Example:
You can use SageMaker to build a model for customer churn prediction by training on historical customer data.
Ques 2. What are the key features of Amazon SageMaker?
Key features include SageMaker Studio (an IDE for ML), Autopilot (AutoML), built-in algorithms, distributed training, hyperparameter tuning, and SageMaker Model Monitor for model performance.
Example:
Using SageMaker Studio to manage a machine learning project from data preparation to model deployment.
Ques 3. What are Amazon SageMaker notebooks?
SageMaker notebooks are Jupyter notebooks hosted in the cloud, enabling data scientists to run Python code, visualize data, and perform machine learning tasks without worrying about infrastructure management.
Example:
Using a SageMaker notebook to preprocess a dataset, train a model, and evaluate its performance.
Ques 4. What are SageMaker endpoints, and how are they used?
SageMaker endpoints are used to deploy machine learning models for real-time inference. They are scalable and managed services that can automatically adjust the number of instances based on traffic.
Example:
Deploying a fraud detection model to a SageMaker endpoint that scales up during peak times to handle high traffic.
Ques 5. What are SageMaker prebuilt containers, and why are they useful?
SageMaker prebuilt containers come with machine learning frameworks like TensorFlow, PyTorch, and Scikit-learn pre-installed, allowing you to focus on model development rather than environment setup.
Example:
Using a prebuilt TensorFlow container in SageMaker to train a neural network without needing to set up the environment manually.
Ques 6. What are SageMaker hosted endpoints, and when should they be used?
SageMaker hosted endpoints provide real-time model inference by deploying a trained model in a managed environment. They should be used when you need low-latency, scalable, and on-demand predictions.
Example:
Using a SageMaker hosted endpoint to serve real-time fraud detection predictions for an e-commerce platform.
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