某项目的时标网络图如下（时间单位：周），在项目实施过程中，因负责实施的工程师误操作发生了质量事故，需整顿返工，造成工作4—6拖后3周，受此影响，工程的总工期会拖延 （ ） 周。
- A.0
- B.1
- C.2
- D.3
正确答案及解析
正确答案
解析
网络图中关键路径长度为22周，其中“工作4—6”不在关键路径上。在实施过程中，“工作4—6”拖后3周，此时它用掉“工作6—9”2周的自由时差，将使整个项目工期延期1周，所以此时关键路径长度为23周。
你可能感兴趣的试题
（ ）is that it provides guidance and direction on how quality will be managed and verified throughout the project.
-
- A.Plan Quality Management
- B.Manage Quality
- C.Control Quality
- D.Project Charter
- 查看答案
（ ）the process of determining,documenting,and managing stakeholder needs and requirements to meet Project objectives.
-
- A.Plan Scope Management
- B.Collection Requirements
- C.Validate Scope
- D.Control Scope
- 查看答案
The information security management system preserves the confidentiality,integrity and availability of information by applying a（ ）.
-
- A.technology management process
- B.resource management process
- C.quality management process
- D.risk management process
- 查看答案
（ ）is a decentralized database,ensure that the data will not be tampered with and forged.
-
- A.Artificial intelligence
- B.Blockchain
- C.Sensing technology
- D.Big datA
- 查看答案
（ ）puts computer resources on the web,and must meet the requirements of super capacity,super concurrency,super speed and super security.
-
- A.Cloud computing
- B.Big datA
- C.Blockchain
- D.Internet of things
- 查看答案