Which kind of table will be used by most firewalls today to keep track of the connections through thefirewall？（）
- A、reflexive ACL
- B、dynamic ACL
- C、queuing
- D、netflow
- E、state
正确答案:E
答案解析:有
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Which kind of table will be used by most firewalls today to keep track of the connections through thefirewall？（）
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