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●Most computer systems are (71) to two different groups of attacks:Insider attacks and outsider attacks． A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users． Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment, but also helps to prevent future attacks． These attacks are usually (75) by tools referred to as Intrusion Detection Systems． (71) A．vulnerable B．week C．sensitively D．helpless (72) A．reliable B．secure C．indestructible D．steady (73) A．visit B．access C．I/O D．read/write (74) A．power B．rights C．authorized D．common (75) A．searched B．checked C．tested D．detected
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【简答题】根据情景，补全对话。 A: What are these? B: 1 A: 2 B:  Yes. I like them very much. 3_ _ A: No, I don't like oranges. B: 4 A: I like apples. 5 B: Yes, I like them,too．
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查看完整题目与答案