Which firewall service is used as a first line of defense and often used by a security device to protect itself?
A. intrusion prevention system
B. unified Threat management
C. network address translation
D. stateless firewall filter
Which firewall service is used as a first line of defense and often used by a security device to protect itself?
A. intrusion prevention system
B. unified Threat management
C. network address translation
D. stateless firewall filter