CompTIA Data+ (DA0-001) — Question 158

A customer’s telephone number is in the format 123-456-7890. Which of the following data types is used for the phone number?

Answer options

• A. Boolean
• B. Date
• C. Text
• D. Number

Correct answer: C

Explanation

The correct answer is C, Text, because a phone number includes characters such as dashes that are not numerical, which makes it unsuitable for numeric data types. Options A (Boolean), B (Date), and D (Number) do not accommodate the alphanumeric structure of phone numbers.