The power-on self-test (POST) information on a SPARC-based headless server needs to be viewed while it executes. What should you do to accomplish this?
A.
bring the machine to the ok prompt, then type the boot -a command
B.
attach a terminal device to serial port A with a null modem cable and turn the machine on
C.
bring the machine to the ok prompt, then type the reset-all command
D.
Attach a graphic console and keyboard, turn the machine on, and then press the Ctrl-Alt- Backspace key combination