CompTIA Data+ (DA0-001) — Question 355

Which of the following is a reason to remove duplicate data?

Answer options

• A. Only the first column is desired.
• B. Only ten rows of data are desired.
• C. Only unique values are desired.
• D. Only every other row is desired.

Correct answer: C

Explanation

The correct answer is C, as the goal of removing duplicates is to ensure that only unique values remain in the dataset. Options A, B, and D do not address the need for uniqueness and instead focus on arbitrary selections of rows or columns.