How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a junos device?

How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a junos device?
A . Set the window size of your terminal program
B . Issue that set cli screen-length 40 command from operational mode
C . Set the display options in your terminal program
D . Issue that set cli screen-length 40 command from Configuration mode

Answer: B