CompTIA Data+ (DA0-001) — Question 53

Which of the following variable name formats would be problematic if used in the majority of data software programs?

Answer options

• A. First_Name_
• B. FirstName
• C. First_Name
• D. First Name

Correct answer: D

Explanation

The correct answer is D, 'First Name', because spaces in variable names are generally not allowed in most programming languages and data software. Options A, B, and C use underscores or camel case, which are acceptable formats for variable names.