Which two statements are true? (Choose two.)
A. Security engineers that need to locate vulnerabilities in a managed environment commonly use vulnerability scanners, such as Nessus and OpenVAS.
B. Attackers use vulnerability scanners such as Nessus and OpenVAS to locate vulnerabilities in potential target hosts.
C. Vulnerability scanners, such as Nessus and OpenVAS, are safe to experiment with on a production network environment.
D. Vulnerability scanners, such as Nessus and OpenVAS, should never be used on a production network for any reason.
