The call center supervisor has reported that many employees have been playing preinstalled games on company computers and this is reducing productivity.
Which of the following would be MOST effective for preventing this behavior?

A.
Acceptable use policies

B.
Host-based firewalls

C.
Content inspection

D.
Application whitelisting

Explanation:
Application whitelisting is a form of application security which prevents any software from running on a system unless it is included on a preapproved exception list.
Incorrect Answers:
A: An acceptable use policy is a document that defines the acceptable activity, practice, or use for equipment and resources. However, the policy must still be
enforced.
B: Firewalls are used to control inbound and outbound network communications between systems. It does not prevent the installation of applications.
C: Content inspection is a filtering function where the contents of the application protocol payload are inspected against a blacklist of unwanted terms, addresses,
or URLs.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, Indianapolis, 2014, pp 24, 340
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp 19,