Mark works as a Network Security Administrator for BlueWells Inc. The company has a
Windowsbased network. Mark is giving a presentation on Network security threats to the newly
recruited employees of the company. His presentation is about the External threats that the
company recently faced in the past. Which of the following statements are true about external
threats?
Each correct answer represents a complete solution. Choose three.

A.
These are the threats that originate from within the organization.

B.
These are the threats intended to flood a network with large volumes of access requests.

C.
These threats can be countered by implementing security controls on the perimeters of the
network, such as firewalls, which limit user access to the Internet.

D.
These are the threats that originate from outside an organization in which the attacker attempts
to gain unauthorized access.

Explanation: