WhichthreebestdescribethecustomerbenefitsoftheCiscoLifecycleServicesapproach?()
A.improvetheskillsetsofitsstaffmembers
B.increasethevalueofandreturnoninvestmentforitsnetworks
C.increasenetworkstaffproductivity
D.increasetheamountofserverroomrackspace
E.improvenetworkavailability，resiliency，security，andscalability
F.increasetheamountoftimerequiredtointegratenetworkchanges
正確答案：參考B, C, E
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