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【单选题】
网络层的协议数据单元称作（ ）A.
A:帧 ；B:位；C:分组；D:报文；
B.
A:帧 ；B:位；C:分组；D:报文；
C.
A:帧 ；B:位；C:分组；D:报文；
D.
A:帧 ；B:位；C:分组；D:报文；
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反馈参考答案：
举一反三
【单选题】Monthly variance reports are an example of which one of the following types of management information?
A.
tactical
B.
strategic
C.
operational
D.
non-financial
【单选题】Monthly variance reports are an example of which one of the following types of management information?
A.
Tactical
B.
Strategic
C.
Non-financial
D.
Operational
【单选题】Monthly variance reports are an example of which one of the following types of management information?
A.
Tactical
B.
strategic
C.
non-financial
D.
operational
【判断题】Monthly variance reports are an example of tactical management information.
A.
正确
B.
错误
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