单选

    ● 在以下几种网络交换技术中,适用于计算机网络、数据传输可靠、线路利用率较高且经济成本较低的是(20) 。

(20)

  • A.电路交换                   
  • B.报文交换
  • C.分组交换                   
  • D.ATM技术
参考答案
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  ● Project schedule management is made up of six management processes including: activity definition, activity sequencing, ( 71) , and schedule control by order.

(71)

  • A.activity duration estimating, schedule developing, activity resource estimating
  • B . activity resource estimating, activity duration estimating, schedule       development
  • C.schedule developing, activity resource estimating, activity duration estimating
  • D.activity resource estimating, schedule developing, activity duration estimating

   ● Changes may be requested by any stakeholder involved with the project, but changes can be authorized only by (73).

(73)

  • A.executive IT manager       
  • B.project manger
  • C.change control board        
  • D.project sponsor 
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