多项选择题

A. rate limit voice trafficB. configure spanning-tree f……

When designing a converged network， which measures can be taken at the building access layerto help eliminate latency and ensure end-to-end quality of service can be maintained？（）

A. rate limit voice traffic
B. configure spanning-tree for fast link convergence
C. isolate voice traffic on separate VLANs
D. classify and mark traffic close to the source

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单项选择题Asanexperiencedtechnician，youareresponsibleforinfrastructuredesignandglobalconfigurationchanges.YouareaskedtodeployaVoiceoverWirelessLANforyourcompany.Ifthecellshavethesamechannel，theseparationbetweenthemshouldbe（）

A. 19dbm
B. 10dbm
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