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现在要推荐给大家的是文字版2021年上半年软考系统集成项目管理工程师考试上午真题及答案解析71-75题。

71、The ETL tochnology is mainly ued in (71) stage.

A. data collection

B. data storage

C. data management

D.data analysis

72、(72) is not used on perception layer of Internet of Things.

A. WLAN

B. RFID

C. Bluetooth

D.SOA

73、The (73) is a hierarchical docomposition of the total scope

of work to be carried out by the project team to accomplish the project ob jectives

and create the requirod deliverable.

A.0BS

B. WBS

C. RBS

D. RAM

74、(74) is a measure of schedule performance expreessed as the  difference between the earned value and the planned value.

A. Schedule varlance (SV)

B. Cost varlance (CV)

C. Actual cost (AC)

D. Earned value (EV)

75、(75): information is not disclosed to unauthorized

indivi duals.

A. Authenticity

B. Integrity

C. Availability

D. Confidentiality

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