(Radio) follow the multicast IP address 227. The correct multicast MAC address corresponding to 120.1.32 is

• A.01-00-5e-78-01-20
• B.01-00-5e-14-01-32
• C.01-00-5e-78-01-32
• D.01-00-5e-14-01-20

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(Radio) When deploying GPON Type C single attribution protection, the following description is correct.

• A.Two ports protected by the OLT side cannot send and receive data at the same time
• B.When the olt uplink fails, a protection reversal can be triggered
• C.The service configuration of ONU access is completely identical to the configuration before protection
• D.The branch fiber breaks, and the state of the OLT's work port becomes standbY

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(Multi-select) esight is a network management software positioned in the enterprise network scenario, which
can view the details of onu devices, including the following information?

• A.Optical module temperature
• B.The optical module transmits power
• C.speed
• D.UNT port information

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The (radio) prerequisites for esight to automatically discover OLT and MXU devices by IP address are not
included

• A.You already have the operation permission of "Resource Access".
• B.Esight and the device need to be on the same network segment, otherwise the device cannot be
  discovered using the ARP broadcast protocol.
• C.The SMMP parameters on the esight side have been configured and are aligned with the device side SP
  parameters.
• D.Esight and the device can be routed to communicate (ping each other).

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Type B protection provides redundant protection for both OLT PON ports and backbone fibers when OLT or
OLT PON If the port or trunk fiber fails, manually switch to another - luguang.

• A.True
• B.False

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