The loss prevention department has purchased a new application that allows the employees to
monitor the alarm systems at remote locations. However, the application fails to connect to the
vendor’s server and the users are unable to log in. Which of the following are the MOST likely
causes of this issue? (Select TWO).

A.
URL filtering

B.
Role-based access controls

C.
MAC filtering

D.
Port Security

E.
Firewall rules