Computer Science & IT

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Q. Which evaluation metric is most useful for a model predicting rare events?
  • A. Accuracy
  • B. Recall
  • C. Precision
  • D. F1 Score
Q. Which evaluation metric is NOT typically used for clustering algorithms?
  • A. Silhouette Score
  • B. Davies-Bouldin Index
  • C. Accuracy
  • D. Inertia
Q. Which evaluation metric is NOT typically used for clustering?
  • A. Silhouette Score
  • B. Davies-Bouldin Index
  • C. Adjusted Rand Index
  • D. F1 Score
Q. Which evaluation metric is often used to assess the performance of neural networks in classification tasks?
  • A. Mean Squared Error
  • B. Accuracy
  • C. R-squared
  • D. F1 Score
Q. Which evaluation metric is often used to assess the quality of clustering?
  • A. Accuracy
  • B. Silhouette score
  • C. F1 score
  • D. Mean squared error
Q. Which evaluation metric is particularly useful for ranking predictions?
  • A. Accuracy
  • B. Mean Absolute Error
  • C. Mean Squared Error
  • D. Normalized Discounted Cumulative Gain (NDCG)
Q. Which evaluation metric is used to assess the performance of a recommendation system?
  • A. Root Mean Squared Error
  • B. F1 Score
  • C. Mean Average Precision
  • D. Silhouette Score
Q. Which evaluation metric is used to measure the performance of regression models?
  • A. F1 Score
  • B. Mean Absolute Error
  • C. Confusion Matrix
  • D. ROC Curve
Q. Which feature scaling technique centers the data around zero?
  • A. Min-Max Scaling
  • B. Standardization
  • C. Normalization
  • D. Log Transformation
Q. Which feature transformation technique is used to normalize the range of features?
  • A. One-Hot Encoding
  • B. Min-Max Scaling
  • C. Label Encoding
  • D. Feature Extraction
Q. Which greedy algorithm is used to solve the activity selection problem?
  • A. Dijkstra's algorithm
  • B. Kruskal's algorithm
  • C. Interval scheduling maximization
  • D. Prim's algorithm
Q. Which HTTP method is idempotent and safe?
  • A. POST
  • B. GET
  • C. PUT
  • D. DELETE
Q. Which HTTP method is idempotent, meaning it can be called multiple times without different outcomes?
  • A. POST
  • B. GET
  • C. PUT
  • D. DELETE
Q. Which HTTP method is used to request data from a server?
  • A. POST
  • B. GET
  • C. PUT
  • D. DELETE
Q. Which HTTP method is used to request data from a specified resource?
  • A. POST
  • B. GET
  • C. PUT
  • D. DELETE
Q. Which HTTP method is used to retrieve data from a server?
  • A. POST
  • B. GET
  • C. PUT
  • D. DELETE
Q. Which HTTP method is used to submit data to be processed to a specified resource?
  • A. GET
  • B. POST
  • C. PUT
  • D. DELETE
Q. Which HTTP status code indicates a successful request?
  • A. 200
  • B. 404
  • C. 500
  • D. 301
Q. Which HTTP status code indicates that a resource has been successfully created?
  • A. 200
  • B. 201
  • C. 204
  • D. 404
Q. Which HTTP status code indicates that a resource was not found?
  • A. 200
  • B. 301
  • C. 404
  • D. 500
Q. Which industry commonly uses Decision Trees for risk assessment?
  • A. Healthcare
  • B. Retail
  • C. Insurance
  • D. Manufacturing
Q. Which IP address class is used for large networks with a significant number of hosts?
  • A. Class A
  • B. Class B
  • C. Class C
  • D. Class D
Q. Which IP address class is used for large networks with many hosts?
  • A. Class A
  • B. Class B
  • C. Class C
  • D. Class D
Q. Which IP address class is used for large networks?
  • A. Class A
  • B. Class B
  • C. Class C
  • D. Class D
Q. Which IP address is reserved for the loopback interface?
  • A. 192.168.1.1
  • B. 127.0.0.1
  • C. 10.0.0.1
  • D. 172.16.0.1
Q. Which kernel function is commonly used in Support Vector Machines?
  • A. Linear kernel
  • B. Polynomial kernel
  • C. Radial basis function (RBF) kernel
  • D. All of the above
Q. Which kernel function is commonly used in SVM for non-linear classification?
  • A. Linear kernel
  • B. Polynomial kernel
  • C. Radial basis function (RBF) kernel
  • D. Sigmoid kernel
Q. Which kernel function is commonly used in SVM to handle non-linear data?
  • A. Linear kernel
  • B. Polynomial kernel
  • C. Radial basis function (RBF) kernel
  • D. Sigmoid kernel
Q. Which kernel is commonly used in SVM for non-linear data?
  • A. Linear kernel
  • B. Polynomial kernel
  • C. Radial Basis Function (RBF) kernel
  • D. Sigmoid kernel
Q. Which layer in a CNN is primarily responsible for feature extraction?
  • A. Pooling layer
  • B. Fully connected layer
  • C. Convolutional layer
  • D. Activation layer
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