形成性考核四答案
一．判断题1）F 2)T 3)T 4)F 5)F 6)T 7)F 8)T 9) F 10)T
二．填空题
1）a set of related programs located at a network gateway server
2)executable computer code, the supporting documents
3)answer some of the questions that new users ask about computer viruses and Trojan horse programs
4)in a specially designed computer, no incoming request
5)to define what a system should do, the constraints under which it must operate
6)first infecting executable files,
7)a network point that acts as an entrance to another network
8)unit testing of software ,integration testing, on the entire system ,its intended users
9)also run and try to infect other programs, either
10)the computer of Internet users and the computers that serve pages to users, the computers that control traffic within your company's network or at your local Internet service provider
三．简答题
1）one thousand two hundred and thirty-four
2)thirty-nine million, six hundred and thirty-two thousand, eight hundred and fifty-one
3)fifty-eight per cent
4)the two hundred and eight-sixth
四．单项选择题 1)C 2)B 3)C 4)B 5)D
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