Machines that operate as a closed system can NEVER be eavesdropped.

A.
True

B.
False

Explanation:
Any data that is transmitted over a network is at some risk of being eavesdropped, or even modified
by a malicious person. Even machines that operate as a closed system can be eavesdropped upon
via monitoring the faint electromagnetic transmissions generated by the hardware such as
TEMPEST.