Attributes, extracted from cyber data sources to analyze and build target cyber security models, are referred as ________.

Question 34 options:

	Data breach
	Cyber features
	Security models
	Cyber anomaly

Which of the following is (are) data source(s) for cybersecurity data science tasks?

Question 35 options:

	Network activities
	Database activities
	User activities
	All of above

_________builds security models based on artificial neural networks consisting of several data processing layers.

Question 36 options:

	Threat intelligence
	Machine learning
	Deep learning
	Artificial intelligence

_________ is mainly responsible to transform raw security data into informative features that effectively represent the underlying security problem to the data-driven models.

Question 37 options:

	Security feature engineering
	Model selection or customization
	Security data clustering
	Attack classification or prediction

Which of the following is an example of unsupervised learning?

Question 38 options:

	Logitics regression
	SVM
	K-nearest neighbors
	K-means