试题详情
- 单项选择题When planning for voice deployments with the Cisco Unified Wireless IP Phone 7921G handset in amultifloor building with a WLAN that operates at an 11 MB/s data rate， how many decibelsreferenced to 1 milliwatt of same-channel separation are recommended between floors？（）
A、13 dBm
B、19 dBm
C、25 dBm
D、31 dBm
- B
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