Multiple Choice AIS

There are many different ways of dealing with null values in a dataset. Which of the following is not a method for dealing with null values in a dataset?

	Data imputation.
	Deleting data threshold violations.
	All of these are ways of dealing with null values in a dataset.
	Data filtering.

An update log file contains the following information: For LogID 16 which of the following data structure issues are present? Cryptic data values. Data consistency. Data concatenation. Data parsing. Misfielded values