AWS AI Flashcards
A company makes forecasts each quarter to decide how to optimize operations to meet expected demand. The company uses ML models to make these forecasts. An AI practitioner is writing a report about the trained ML models. What should they include in the report to meet transparency and explainability requirements for company stakeholders?
A. Code for model training
B. Partial dependence plots (PDPs)
C. Sample data for training
D. Model convergence tables
B
What is the primary purpose of normalization in data preprocessing?
A. To split the data into training and test sets
B. To increase the number of features
C. To ensure all features contribute equally to the model
D. To remove outliers from the data
C
Which Amazon Bedrock API is used for making inference requests?
A. bedrock-agent-runtime
B. bedrock-runtime
C. bedrock
D. bedrock-agent
B
Which method is commonly used to handle imbalanced datasets?
A. Random over-sampling of the minority class
B. Decreasing the number of features
C. Applying PCA
D. Using linear regression
A
What is the role of Amazon Q Apps in Amazon Q Business?
A. To provide hardware configurations
B. To monitor application performance
C. To create and share generative AI-powered apps
D. To develop new AWS services
C
What is the primary objective of reinforcement learning?
A. To reduce dimensionality of data
B. To cluster similar data points
C. To predict future values
D. To maximize cumulative reward
D
How does Amazon Bedrock help in managing multi-step tasks?
A. By using data encryption
B. By using fine-tuning
C. By using agents
D. By using model evaluation
C
Which SageMaker feature helps debug machine learning models?
A. SageMaker Debugger
B. SageMaker Ground Truth
C. SageMaker Data Wrangler
D. SageMaker Autopilot
A
Which machine learning technique is used to handle missing data?
A. Imputation
B. Regression
C. Clustering
D. Classification
A
What is the role of the activation function in a neural network?
A. To normalize the input data
B. To reduce the number of parameters
C. To introduce non-linearity into the model
D. To decrease the learning rate
C
What is the purpose of a confusion matrix in classification?
A. To measure the accuracy of regression models
B. To perform dimensionality reduction
C. To evaluate the performance of a classification model
D. To visualize data distributions
C
What is the purpose of SageMaker Studio Lab?
A. To deploy ML models
B. To provide a free environment for ML experimentation
C. To encrypt data
D. To monitor model drift
B
How can developers test their agents in Amazon Bedrock?
A. Running them on local servers
B. By deploying them in production
C. Integrating with CI/CD pipelines
D. Using the Amazon Bedrock console
D
How can Amazon Bedrock Studio help developers?
A. By providing hardware maintenance
B. By managing financial transactions
C. By monitoring network traffic
D. By offering a rapid prototyping environment
D
How does Amazon Textract assist in document processing?
A. By translating text
B. By detecting sentiment in text
C. By converting text to speech
D. By extracting text and data from documents
D
Which feature helps Amazon Q Business avoid generating incorrect statements?
A. Random response generation
B. Relying on user feedback
C. Manual verification of all responses
D. Confining responses to existing enterprise data
D
What does a ROC curve represent?
A. The error rate of a model
B. The relationship between precision and recall
C. The trade-off between sensitivity and specificity
D. The distribution of a dataset
C
What is a common use of decision trees in machine learning?
A. Data normalization
B. Regression and classification
C. Clustering data points
D. Dimensionality reduction
B
Which evaluation metric is suitable for imbalanced classification problems?
A. Adjusted R-Squared
B. Precision-Recall Curve
C. Mean Squared Error (MSE)
D. Accuracy
B
What is the purpose of a validation set in machine learning?
A. To test the final model performance
B. To visualize the data
C. To train the model
D. To tune hyperparameters
D
Which algorithm is used for clustering in unsupervised learning?
A. Linear regression
B. Decision trees
C. Naive Bayes
D. K-means
D
Which algorithm is best suited for large datasets with many features?
A. Gradient Boosting
B. Naive Bayes
C. Random Forest
D. K-means
C
Which AWS service makes it easy to use foundation models from third-party providers and Amazon?
A. AWS Lambda
B. Amazon Bedrock
C. Amazon EC2
D. AWS SageMaker
B
Which component is essential for extending the capabilities of Amazon Bedrock agents?
A. Static IP addresses
B. Action groups
C. File systems
D. Virtual machines
B