192.168 suggests class C networks which have a 24 bit netmask (255.255.255.0) but you haven't provided enough info, like the netmask of a working machine, to be definite.
Answer:
D. Software Problem
Explanation:
It could be that the software is bootlooping which will power on and off until its fixed.
Answer:
TBH I HAVE NO FREAKING IDEA BUT I NEED POINTS BC IM DOING AN EXAM AND HAVE NO MONEY SORRY