Which Solaris command amends the boot-device parameter to cause the system to boot from bootdisk02 by default?

On a SPARC based system two device aliases named bootdisk01 and bootdisk02 have been
created. These aliases allow the boot system to boot from two different disks, and currently
bootdisk01 is used by default. Which Solaris command amends the boot-device parameter to
cause the system to boot from bootdisk02 by default?

A.
eeprom boot-device=bootdisk02

B.
eeprom boot-device bootdisk02