What boot order?

You would like to configure the boot order of your computer to allow boot DVDs and boot USB flash memory sticks, but you don’t want to boot from the network unless the hard drive was missing or unbootable. Which of these boot orders would be an appropriate configuration for your PC? Pick two.

A) PXE, USB, CD/DVD, Hard Disk

B) CD/DVD, USB, Hard Disk, PXE

C) USB, CD/DVD, Hard Disk, PXE

D) Hard Disk, USB, CD/DVD, PXE

E) Dr. Martens, UGG, Rockport, Sorel, The North Face