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.