Multiple choice technology mainframe

What is the prefix character for symbolic parameter ?

  1. %

  2. &

  3. @

  4. {}

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In JCL and mainframe systems, the ampersand (&) character is used as the prefix for symbolic parameters. When you want to use a symbolic parameter like &NAME, the & symbol indicates that this is a variable that will be substituted at runtime with an actual value. The percent sign (%) is typically used for positional parameters, the at sign (@) has other JCL uses, and curly braces are not used for this purpose.