71、（）seeks to perform root cause investigation as to what is leading identified trends.

A、Problem management

B、Incident management

C、Change management

D、Knowledge management

72、（）provides guidance for the development and improvement of capabilities for introducing new and changed service into supported environment.

A、Service strategy

B、Service transition

C、Service design

D、Service operation

73、（ ）is the process of managing procurement relationships , monitoring contract performance, and making changes and corrections as appropriate,and closing out contracts.

A、Control Procurements

B、Conduct Procurements

C、plan Procurements management

D、Procurements strategy

74、The（ ）is a hierarchical decomposition of the total scope of work to be Carried out by the project team to accomplish the project objectives and create the required deliverables.

A、project scope statement

B、work package

C、WBS

D、project scope plan

75、Risk（ ）acknowledge the existence of a threat，but no proactive action is taken 。

A、avoidance

B、transfer

C、mitigate

D、acceptance