[多选题]病毒的引导过程不包含()

正确答案 ：CD

使自身有关代码取代或扩充原有系统功能

删除引导扇区

[单选题]The key benefit of ( )is that it provides guidance and direction on how the project costs will be managed throughout the project.

正确答案 ：A

Plan Cost Management

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