SQL Bits

Which nodes in a standard Databricks cluster perform the processing and computational work?

• Driver Nodes

• Worker Nodes

• Executor Nodes

• Standard Nodes

What transformer must we apply to our features in order to apply a Spark ML random forest regression model on the data?

• Regression

  Evaluator

• Normaliser

• Linear Regression

• Vector Assembler

What would we typically use to compare our machine learning model runs in Databricks?

• MLFlow Tracking

• Model Registry

• MLFlow Projects

• HyperOpt

In Databricks, by default, runs are shared within the same experiment if...

• They use the same model type

• They are in the same workspace

• They are in the same notebook

• They have the same run name

What type of Data Frame would be typically used in a Jupyter Notebook within Azure ML?

• Java

• Pandas

• Pyspark

• SQL

 

What type of compute would you use for hosting a model to be used in a production Azure ML environment?

• Inference Cluster

• Local Machine

• Compute Cluster

• Attached Compute

Which of these is a method for normalising data?

• Principal Component Analysis

• Z-Score

• RMSE

• K-Means Clustering

What type of model was trained in the Azure ML lab (the drag and drop pipeline)?

• Random Forest Classifier

• Linear Regression

• K-Means Clustering

• Logistic Regression