Which two capabilities are provided by the OpenBoot PROM?
A.
a command to safely shut down the system
B.
hardware testing and initialization
C.
booting from a disk or network
D.
starting the GRUB loader
Explanation:
OpenBoot firmware is executed immediately after you turn on your system. The primary tasks of OpenBoot
firmware are to:
* Test and initialize the system hardware (B)
* Determine the hardware configuration
*Boot the operating system from either a mass storage device or from a network (C)
*Provide interactive debugging facilities for testing hardware and software