单项选择题

As a project manager, you examine project results over time to determine how project is performing over time. This can be done through （）.

A．performance reviews
B．variance analysis
C．trend analysis
D．earned value management

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单项选择题

While completing a project a project manager realizes be needs to decrease project costs. After researching his options, he comes up with the following choices. Which choice would DECREASE project costs ？（）

A．Change to component A from component Component A costs more to purchase but has a lower life cycle cost than
B．Change task A to be completed by resource B instead of Resource C, Resource B is a more experienced worke
C．Move tasks B and H to occur concurrently, and take the risk of a 30% increase in the need for five more resources late
D．Remove a test from the project pla

单项选择题

Which of the following is not estimate costs tool or technique ？（）

A．Historical relationship
B．Analogou
C．Bottom-u
D．Parametri