In the process of communication requirement analysis, the project manager should consider the number of potential communication channels or paths as an indicator of the complexity of a project's communication. According to Metcalfe's Law, a project with 10 stakeholders has（）potential communication channels.

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

空白（1）處填（）

空白（2）處填（）

空白（3）處填（）

Contract closeout is a process that involves（）

Project selection methods involve measuring value or attractiveness to the project owner or sponsor and may include other organizational decision criteria （）is not a project selection method.

There are strategies typically deal with threats or risk that may have negative impacts on project objectives if they occur, some other strategies are suggested to deal with risks with potentially positive impacts. （）is a risk response strategy that may be adopted for either threats or opportunities.

The connection between two networks from an intemet is handled by a machine known as a（）

A （）is a collection of projects and other work that are grouped together to facilitate effective management ofthat work to meet strategic business objectives.