单选题Under what circumstances should an administrator prefer local VLANs over end-to-end VLANs？（）AEighty percent of traffic on the network is destined for Internet sites.BThere are common sets of traffic filtering requirements for workgroups located in multiple buildings.CEighty percent of a workgroup’s traffic is to the workgroup’s own local server.DUsers are grouped into VLANs independent of physical location.ENone of the other alternatives apply
单选题
Under what circumstances should an administrator prefer local VLANs over end-to-end VLANs？（）
A
Eighty percent of traffic on the network is destined for Internet sites.
B
There are common sets of traffic filtering requirements for workgroups located in multiple buildings.
C
Eighty percent of a workgroup’s traffic is to the workgroup’s own local server.
D
Users are grouped into VLANs independent of physical location.
E
None of the other alternatives apply
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