单项选择题
A.ensure that it receives detailed network diagrams
B.reduce the risk of downtime due to facilities-related problems
C.ensure end-user support immediately after the launch of a new system
D.confirm project roles and responsibilities， as well as milestone dates
单项选择题 Inthedesignphase，whichservicecomponentprovidesthecustomerwithacomprehensivedesign？Selectexactly1answer（s）fromthefollowing：（）。
单项选择题 Whichofthesephasesinvolvesensuringthatanewsolutionhasbeenintegratedwithoutdisruptingtheexistingnetwork？Selectexactly1answer（s）fromthefollowing：（）。
单项选择题 Whichdefinitionbestdescribesthestafftrainingservicecomponentwithintheimplementphase？Selectexactly1answer（s）fromthefollowing：（）。