Multiple choice technology mainframe

---------- Field contains only an asterisk?

  1. Operation field

  2. Parameter field

  3. Label field

  4. Comments field

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

In JCL, the parameter field can contain only an asterisk (*) to indicate a null parameter or to override a previous parameter. The operation field contains the command (like EXEC or DD), the label field identifies the statement, and comments are indicated by // in column 1-2 followed by text.