Demo CompTIA DA0-001 Exam Questions
Demo practice questions for guest users.
Question 1
Which of the following BEST describes the issue in which character values are mixed with integer
values in a data set column?
Correct Answer: D
Explanation:
The invalid data type is the best description for the issue in which character values are mixed with
The invalid data type is the best description for the issue in which character values are mixed with
integer values in a data set column. Invalid data type means that the data does not match the
expected or required format or structure for a given variable or attribute. For example, if a columnis
supposed to store numerical values, but some rows contain text values, then those rows have an
invalid data type. Reference: CompTIA Data+ Certification Exam Objectives, page
Question 2
A data analyst has been asked to organize the table below in the following ways:
By sales from high to low -
By state in alphabetic order -
Which of the following functions will allow the data analyst to organize the table in this manner?
Correct Answer: D
Explanation:
Sorting is the function that will allow the data analyst to organize the table in the desired
Sorting is the function that will allow the data analyst to organize the table in the desired
manner. Sorting means arranging the data in a specific order, such as ascending or
descending, based on one or more criteria. Sorting can be applied to any column in the
table, such as sales or state.
Question 3
Which of the following actions should be taken when transmitting data to mitigate the chance of a
data leak occurring? (Choose two.)
Correct Answer: D, E
Explanation:
Data encryption and data masking are two actions that can be taken when transmitting data to