Multiple choice technology mainframe Which function key helps you to split the screen? F3 F2 F1 F6 Reveal answer Fill a bubble to check yourself B Correct answer Explanation In ISPF, the F2 function key (SPLIT command) splits the screen into two or more sessions, allowing you to work in multiple ISPF screens simultaneously. F3 ends the current session, F1 is help, and F6 is used for creating a new dataset or member.