A.improvetheskillsetsofitsstaffmembers
B.increasethevalueofandreturnoninvestmentforitsnetworks
C.increasenetworkstaffproductivity
D.increasetheamountofserverroomrackspace
E.improvenetworkavailability，resiliency，security，andscalability
F.increasetheamountoftimerequiredtointegratenetworkchanges
正确答案：参考B, C, E
