Whichofthesephasesinvolvesensuringthatanewsolutionhasbeenintegratedwithoutdisruptingtheexistingnetwork？Selectexactly1answer（s）fromthefollowing：（）。

A.Reduceunnecessarydisruption，delay，rework，andotherproblemsbyestablishingtestcasesforuseinverifyingthatthesystemsmeetsoperational，functional，andinterfacerequirements
B.Improveitsabilitytomakesoundfinancialdecisionsbydevelopingabusinesscasebasedonitsbusinessrequirementsandestablishingabasisfordevelopingatechnologystrategy
C.Reduceoperatingcostsandlimitcharge-relatedincidentsbyprovidingaconsistentandefficientsetofprocesses
D.Improvethereturnoninvestmentandhastenmigrationbyidentifyingandplanningfornecessaryinfrastructurechangesandresourceadditions，aswellasreducedeploymentcostsbyanalyzinggapsinearlyintheplanningprocesstodeterminewhetisneededtosupportthesystems

A.monitorandrespond
B.analyzeandimprove
C.securethenetwork
D.testthesystem

A.integratesdata，security，andwireless
B.integratesdata，ecurity，wirelessandapplicationoptimization
C.integratesvoice，data，security，wirelessandapplicationoptimization
D.integratesdataandwireless