From the options, which explains the general standpoint behind a DMZ (Demilitarized Zone)?

A.
All systems on the DMZ can be compromised because the DMZ can be accessed from the
Internet.

B.
Only those systems on the DMZ that can be accessed from the Internet can be compromised.

C.
No systems on the DMZ can be compromised because the DMZ is completely secure and
cannot be accessed from the Internet.

D.
No systems on the DMZ can be compromised because the DMZ cannot be accessed from the
Internet.