单项选择题
单项选择题 Whichconnectiontypeisavailableonavirtualswitch?（）
单项选择题 Whichofthesephasesinvolvesensuringthatanewsolutionhasbeenintegratedwithoutdisruptingtheexistingnetwork？Selectexactly1answer（s）fromthefollowing：（）。
单项选择题 Whichofthefollowingbestdescribethecustomerbenefitofcreatingasystemsacceptancetestplaninthedesignphase？（）