D:-parseXMLDoc()
Correct Answer:-Question Cancelled
Question85:-What is the use of controller in mvc ?
A:-lt is responsible for controlling the flow of application.

B:-It is responsible for controlling the way that a user interacts with an MVC
application.

C:-A controller determines what response to send back to a user when a user
makes a browser request

D:-All of above
Correct Answer:- Option-D

Question86:-In machine learning, the process of adding labels to the data is
referred as

A:-Transfer Learning
B:-Unsupervised Learning
C:-Supervised Learning
D:-Reinforcement Learning
Correct Answer:- Option-C
Question87:-Reinforcement learning system learns through
A:-Trial and Error
B:-Labelled Data
C:-Association Rule Mining
D:-Regression
Correct Answer:- Option-A

Question88:-Following essentials are involved in Principal Components Analysis
(PCA)

A:-Covariance matrix
B:-Eigenvectors
C:-Eigenvalues

D:-All of the above
Correct Answer:- Option-D

Question89:-The ratio of correctly predicted labels and the total number of
predicted labels is termed as

A:-Accuracy

B:-Precision

C:-F1-Score

D:-Exact match ratio
Correct Answer:- Option-B