使用大量垃圾信息,占用带宽(拒绝服务)的攻击破坏的是____。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
“拒绝服务”破坏信息的_______。
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