()is not included in the main contents of the operation and maintenance of the information

计算机 已帮助 人

()is not included in the main contents of the operation and maintenance of the information system.

A.Daily operation and maintenance

B.System change

C.Security management

D.Business change

请帮忙给出正确答案和分析,谢谢!

热搜:一个c程序的执行是从本程序的main函数开始