Regarding the IPSG, which of the following statement is incorrect?

Regarding the IPSG, which of the following statement is incorrect?
A . IPSG can prevent IP address spoofing attacks
B . IPSG is a source IP address filtering technology based on the three-layer interface
C . IPSG can turn on the IP packet inspection and alarm function, and cooperate with the network management to perform alarms
D . IPSG can prevent the host from changing the IP address privately

View Answer

Answer: B