试题详情
- 单项选择题During the modem boot process，how does the modem acquire the downstream channel？（）
A、The modem is commanded by the CMTS to set to the specific channel
B、The modem uses the default value in the broadcom chipset
C、The modem tuner sets a level as defined by the DOCSIS specification
D、The modem tuner scans the downstream spectrum until digital QAM modulated signal is encountered
- D
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