A router is set to boot from flash, but cannot find boot commands in the configuration. Also, valid
files do not exist in the default flash device. The router will:
A.
Boot from ROM, since there are no valid sources
B.
Try to boot from the network, using a default filename
C.
Terminate the boot process with an error message
D.
Try to boot from the network, then boot from ROM as a backup
Explanation: