Palo Alto Networks Certified Network Security Engineer (PCNSE) — Question 245

A variable name must start with which symbol?

Answer options

• A. $
• B. !
• C. #
• D. &

Correct answer: A

Explanation

The correct answer is A ($) because in many programming languages, variable names must begin with a dollar sign to be recognized as variables. The other options B (!), C (#), and D (&) are not valid starting symbols for variable names in these contexts.