executable （.exe） filesare renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfullyinfect target users.frequently, hackers try to penetrate networks by sendin
executable （.exe） filesare renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfullyinfect target users.frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie,which, while displaying some cute animation, simultaneously runs commands in the background to stealyour passwords and give the （ ） access to your network。（2005年上半年网络工程师上午真题解析）
A、cracker
B、user
C、customer
D、client
参考答案：A
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