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问题

During the modem boo


During the modem boot process,how does the modem acquire the downstream channel?()

  • AThe modem is commanded by the CMTS to set to the specific channel
  • BThe modem uses the default value in the broadcom chipset
  • CThe modem tuner sets a level as defined by the DOCSIS specification
  • DThe modem tuner scans the downstream spectrum until digital QAM modulated signal is encountered
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分类:CCIE SP题库
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