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A K-Means Cluster is said to be well defined if the cluster is ________.EllipseNo such metricCircle

Polygon with cluster number of edges


What is the Azure CLI command to create machine learning workspace?

az workspace -w $workspace -g $resource

Cannot create a workspace using cli

az ml workspace create -w $workspace -g $resource

az ml workspace -w $workspace -g $resource


In Azure Stream analytics, webservice is added as a ___________.

job

function

query

tranformation


Predictive Experiment can be used directly after creating it from a training experiment. Select the appropriate option as answer.

True, changes can be done only for customisation of web service for client application.

False, changes must be done to facilitate proper web service inputs/outputs.

True, but need changes with data transformation.

False, a new predictive experiment must be created from scratch.


To prevent running Import Data module each time, we run an experiment, when data is imported from Azure Blob storage, we can use _____________.

Stored Results

Generated Results

Cached Results

Not possible to prevent Import Data module from running.


The data preparation step enables which of the following?

Filter-based feature selection.

Imports data.

Cleans missing data.

Trains and evaluates the model.

Data Visualization in Azure ML Studio is possible through ________.

In-built visualisation options

Jupyter Notebook

Both inbuilt and jupyter notebook

Import module

Import module and jupyter notebook


Average amount of money spent by a user at a Supermarket can be predicted through ____________ .

Classification

Regression

None of the options

Clustering


Quality of our classifier can be determined through _________.

Confusion Matrix

Precision

Recall

Accuracy


All our published web services can be considered as _________.

Azure Resources

None of the options

Azure Apps

Azure App Services


A client application needs to fetch reference data based on customer location and data is shared on multiple databases. Servicing the application through a single prediction web service is possible through ______________.

Parametrising Webservice URL

Parametrising Database Connection

Parametrising Database location

Any of the options


Azure Webservice is based on ____________.

All the options

SOAP API and JSON Format

REST API and JSON Format

REST API and Xml Format


In regression, On predictions based on transformed data which has a different unit compared the actual value, which errors best describes the quality of the model ____________

Absolute Errors

Relative Errors

all the given options

Mean Eroors


Which of the following is the preferred model to find the best fit line for a data set using linear regression?

Maximum likelihood and Logarithmic loss

Maximum likelihood

Least square error

Logarithmic loss


The support vector machine algorithm is used for which of the following?

More accuracy

Slower predictions (more accuracy)

More precision

Faster predictions (comprimises accuracy)


Get the required size of a dataset from a large amount of accumulated data is called ________.

Rational Sampling

Preprocess Sampling

Statistical Sampling

Preperation Sampling


Azure ML Studio's import data item does not allow loading data from on-premises SQL database.

TRUE

FALSE


Which of the following is false about Train Data and Test Data in Azure ML Studio _________?

Train and Test data random split is reproducible.

Train and Test data are used to Score the Model.

Train data and Test data split should follow a thumb-rule of 80 : 20.

Cross validation data is taken from train data.

What are the different aspects of data that need to be analyzed when understanding data?

Variable Type

Data Category

Data Type

All the options

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