单选题Which feature is a potential security weakness of a traditional stateful firewall？（）AIt cannot support UDP flows.BIt cannot ensure each TCP connection follows a legitimate TCP three-way handshake.CIt cannot detect application-layer attacks.DThe status of TCP sessions is retained in the state table after the sessions terminate.
单选题
Which feature is a potential security weakness of a traditional stateful firewall？（）
A
It cannot support UDP flows.
B
It cannot ensure each TCP connection follows a legitimate TCP three-way handshake.
C
It cannot detect application-layer attacks.
D
The status of TCP sessions is retained in the state table after the sessions terminate.
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