单选

在网络数据流中适当的位置插入同步点,当传输出现中断时,可以从同步点的位置开始重新传输,该网络功能的控制和管理属于()

  • A.网络层
  • B.会话层
  • C.表示层
  • D.传输层
参考答案
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The most crucial time for project risk assessment is ( ).

  • A.when a problem surfaces
  • B.during the planning phase
  • C.during the close-out phase
  • D.after the project schedule has been published

The communication management plan determines the information and communications needs of the takeholders. In the following statements related to communication management plan. ( ) is false.

  • A.The communication management plan is contained in or is a subsidiary plan of, the project management plan.
  • B.The communication management plan can be formal or informal, highly detailed or broadly framed, and based on the needs of the project.
  • C.The communication manamgement plan organize and summarize the information gathered,and present the results of any analysis as comparedthe performance measurement baseline.
  • D.The communication management plan can include guidelines project status meetings,project team meetings,e-meetines,and e-mail
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