Computer Science & IT

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Q. What is a common challenge when selecting features for a model?
  • A. Overfitting due to too many features
  • B. Underfitting due to too few features
  • C. Both A and B
  • D. None of the above
Q. What is a common challenge when using K-Means clustering?
  • A. It requires labeled data
  • B. Choosing the right number of clusters
  • C. It cannot handle large datasets
  • D. It is sensitive to outliers
Q. What is a common challenge when using SVM for large datasets?
  • A. High interpretability
  • B. Scalability and computational cost
  • C. Low accuracy
  • D. Limited feature selection
Q. What is a common characteristic of intermediate code?
  • A. It is always in binary format
  • B. It is platform-specific
  • C. It is easier to analyze than high-level code
  • D. It cannot be optimized
Q. What is a common evaluation metric for assessing the performance of a deployed classification model?
  • A. Mean Squared Error
  • B. Accuracy
  • C. Silhouette Score
  • D. R-squared
Q. What is a common evaluation metric for models using Decision Trees and Random Forests?
  • A. Mean Squared Error
  • B. F1 Score
  • C. Accuracy
  • D. Precision
Q. What is a common evaluation metric for sequence prediction tasks using RNNs?
  • A. Accuracy
  • B. Mean Squared Error
  • C. F1 Score
  • D. Precision
Q. What is a common evaluation metric for SVM performance?
  • A. Mean Squared Error
  • B. Accuracy
  • C. Silhouette Score
  • D. Confusion Matrix
Q. What is a common evaluation metric used to assess the performance of a deployed classification model?
  • A. Mean Squared Error
  • B. Accuracy
  • C. Silhouette Score
  • D. R-squared
Q. What is a common initialization method for K-means clustering?
  • A. Randomly selecting data points as initial centroids
  • B. Using the mean of the dataset as the centroid
  • C. Hierarchical clustering to determine initial centroids
  • D. Using the median of the dataset as the centroid
Q. What is a common limitation of LL parsers?
  • A. They cannot handle ambiguous grammars.
  • B. They require more memory than LR parsers.
  • C. They can only parse regular languages.
  • D. They are slower than LR parsers.
Q. What is a common method for feature importance evaluation in Random Forests?
  • A. Permutation importance
  • B. Gradient boosting
  • C. K-fold cross-validation
  • D. Principal component analysis
Q. What is a common method for handling missing data in a dataset?
  • A. Removing all rows with missing values
  • B. Imputing missing values with the mean or median
  • C. Ignoring the missing values
  • D. All of the above
Q. What is a common method for monitoring a deployed machine learning model?
  • A. Cross-validation
  • B. A/B testing
  • C. Grid search
  • D. K-fold validation
Q. What is a common method for monitoring deployed machine learning models?
  • A. Cross-validation
  • B. A/B testing
  • C. Grid search
  • D. K-fold validation
Q. What is a common method to determine the optimal number of clusters in K-means?
  • A. Elbow method
  • B. Cross-validation
  • C. Grid search
  • D. Random search
Q. What is a common optimization technique applied during intermediate code generation?
  • A. Loop unrolling
  • B. Dead code elimination
  • C. Inlining
  • D. All of the above
Q. What is a common pitfall in model selection?
  • A. Using too few features
  • B. Overfitting the model to the training data
  • C. Not validating the model
  • D. All of the above
Q. What is a common practice to ensure the reliability of a deployed model?
  • A. Regularly retraining the model with new data
  • B. Using a single model version indefinitely
  • C. Ignoring user feedback
  • D. Deploying without monitoring
Q. What is a common real-world application of feature engineering in finance?
  • A. Predicting stock prices using historical data
  • B. Classifying emails as spam or not spam
  • C. Segmenting customers based on purchasing behavior
  • D. Identifying fraudulent transactions
Q. What is a common real-world application of feature engineering?
  • A. Image classification
  • B. Spam detection
  • C. Customer segmentation
  • D. All of the above
Q. What is a common searching algorithm used in applications with sorted data?
  • A. Linear search
  • B. Binary search
  • C. Depth-first search
  • D. Breadth-first search
Q. What is a common strategy for handling model updates in production?
  • A. Immediate replacement of the old model
  • B. Rolling updates
  • C. No updates allowed
  • D. Training a new model from scratch
Q. What is a common use case for balanced trees like AVL and Red-Black trees?
  • A. Implementing a priority queue
  • B. Maintaining a sorted list of items
  • C. Storing large binary files
  • D. Performing matrix operations
Q. What is a common use case for cloud ML services in business?
  • A. Data storage
  • B. Predictive maintenance
  • C. Basic data entry
  • D. Manual reporting
Q. What is a common use case for cloud ML services in businesses?
  • A. Data storage only
  • B. Real-time fraud detection
  • C. Manual data entry
  • D. Basic spreadsheet calculations
Q. What is a common use case for Random Forests in real-world applications?
  • A. Image recognition
  • B. Natural language processing
  • C. Credit scoring
  • D. Time series forecasting
Q. What is a common use case for Red-Black trees in computer science?
  • A. Memory management
  • B. Network routing
  • C. Implementing associative arrays
  • D. File system management
Q. What is a common use case for Red-Black trees in real-world applications?
  • A. Memory management
  • B. Network packet routing
  • C. Implementing associative arrays
  • D. Sorting large datasets
Q. What is a common use case for Red-Black trees?
  • A. Memory management
  • B. Implementing associative arrays
  • C. Sorting algorithms
  • D. Graph traversal
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