Google Cloud Big Data and Machine Learning Fundamentals

What is/are the common Bigdata challenges?

• Volume

• Variety

• Velocity

• Veracity

Which of the Google cloud services is used for Data Analysis

• Cloud Storage

• Bigquery

• Cloud Spanner

• Pub/Sub

Which Google cloud tool is used to visualize data

Select the correct workflow for streaming data

• Visualize , process then ingest the streaming data

• 
  

  Ingest the streaming data, visualize the data, and then process the data.

• Ingest the streaming data, process the data, and visualize the results

• 
  

  Process the data, visualize the data, and ingest the data.

Which BigQuery feature leverages geography data types and standard SQL geography functions to analyze a data set?

• Building business intelligence dashboards

• Ad hoc analysis

• Geospatial analysis

• Building machine learning models

You want to use machine learning to predict house price with a time series data?

• Unsupervised learning, dimensionality reduction

• 
  

  Unsupervised learning, cluster analysis

• Supervised learning, linear regression

• Supervised learning, logistic regression

A farm uses Google’s machine learning technology to detect defective apples in their crop, such as those that are irregular in size or have scratches. The goal is to identify only the apples that are actually bad so that no good apples are wasted. Which metric should the model focus on?

• Feature importance

• 
  

  Recall

• 
  

  Precision

• 
  

  Confusion matrix

Select the correct machine learning workflow

• Model serving, data preparation, model training

• Model training, data preparation, model serving

• Data preparation, model serving, model training

• Data preparation, model training, model serving