In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?()A、serialupB、clockC、clockrateD、dcerateE、dterate

In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?()

  • A、serialup
  • B、clock
  • C、clockrate
  • D、dcerate
  • E、dterate

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