A company storing data on a secure server wants to ensure it is legally able to dismiss and
prosecute staff who intentionally access the server via Telnet and illegally tamper with customer
data. Which of the following administrative controls should be implemented to BEST achieve this?

A.
Command shell restrictions

B.
Restricted interface

C.
Warning banners

D.
Session output pipe to /dev/null

Explanation:
Within Microsoft Windows, you have the ability to put signs (in the form of onscreen pop-up
banners) that appear before the login telling similar information—authorized access only, violators
will be prosecuted, and so forth. Such banners convey warnings or regulatory information to the
user that they must “accept” in order to use the machine or network. You need to make staff aware
that they may legally be prosecuted and a message is best given via a banner so that all staff
using workstation will get notification.