Configuration management system can be used in defining approval levels for authorizing changes and providing a method to validate approved changes.（）is not a project configuration management tool.

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

Project schedule management is made up of six management processes including: activity definition, activity sequencing（）and schedule control by order.

The creation ofa work breakdown structure (WBS) is the process of（）the major project deliverables.

The Unified Modeling Language is a standard graphical language for modeling object-oriented software（）can show the behavior of systems in terms of how objects interact with each other.

（）is a property of object-oriented software by which an abstract operation may be performed in different ways in different classes.

The strategies for handling risk comprise of two main types: negative risks, and positive risks. The goal ofthe plan is to minimize threats and maximize opportunities. When dealing with negative risks, there are three main response strategies（）,rransfer ,Mitigate.

The （）process ascertains which risks have the potential of affecting the project and documenting the risks＇ characteristics.

Developing the project schedule is often an iterative process. It determines the planned start and finish dates for project activities and milestones. Schedule development can require the review and revision of duration estimates and resource estimates to create an approved project schedule that can serve as a baseline to（）progress.