The chief security officer (CSO) has reported a rise in data loss but no break-ins have occurred. By doing which of the following would the CSO MOST likely to
reduce the number of incidents?

A.
Implement protected distribution

B.
Employ additional firewalls

C.
Conduct security awareness training

D.
Install perimeter barricades

Explanation:
A protective distribution system (PDS), also called protected distribution system, is a US government term for wireline or fiber-optics
telecommunication system that includes terminals and adequate acoustical, electrical, electromagnetic, and physical safeguards to permit its use for the
unencrypted transmission of classified information. At one time these systems were called “approved circuits”.