When protecting an organization’s IT systems, which of the following is normally the next line of defense after
the network firewall has been compromised?
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A.
Personal firewall
B.
Antivirus programs
C.
Intrusion detection system (IDS)
D.
Virtual local area network (VLAN) configuration
Explanation:
An intrusion detection system (IDS) would be the next line of defense after the firewall. It would detect
anomalies in the network/server activity and try to detect the perpetrator. Antivirus programs, personal firewalls
and VI_AN configurations would be later in the line of defense.