Free GIAC GMLE Exam Dumps Questions & Answers

Which techniques can be used to improve the performance of a linear regression model?
(Choose two)
Response:

• A.Adding regularization, such as L1 (Lasso) or L2 (Ridge)
• B.Including interaction terms between variables
• C.Increasing the number of decision trees
• D.Reducing the dataset size

You are tasked with clustering a large dataset of customer transactions to identify patterns of behavior. You have chosen k-means clustering but are unsure of the optimal number of clusters to use. What steps should you take to determine the optimal number of clusters and ensure high-quality clustering?
Response:

• A.Randomly select the number of clusters and observe the clustering performance
• B.Use the elbow method to plot the within-cluster sum of squares and determine the point where the improvement diminishes, and use the silhouette score to evaluate cluster cohesion
• C.Use hierarchical clustering to identify clusters and apply the same number to k-means
• D.Start with a large number of clusters and manually reduce them over time

Which are common sources of data used in machine learning pipelines?
(Choose two)
Response:

• A.Model ensembling
• B.APIs
• C.Manual calculations
• D.Web scraping

Which of the following are common supervised learning algorithms?
(Choose two)
Response:

• A.k-means
• B.Random Forest
• C.DBSCAN
• D.Linear Regression

SQL is commonly used in data manipulation for:
Response:

• A.Implementing machine learning algorithms
• B.Visualizing data distributions
• C.Extracting and querying data from databases
• D.Generating complex neural network models