When the ONT fails or the hardware is upgraded, the ONT needs to be replaced. The ONT service needs to be deleted on the OLT, then delete the ONT terminal and finally the new ONT service is configured.

• A.False
• B.True

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The total downlink bandwidth of the 10G EPON PONI port is the sum of the EPON downlink bandwidth and the 10GEPON downlink bandwidth.

• A.Ture
• B.False

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The prerequisites for esight to automatically discover OLT and MX U devices through IP addresses do not include:

• A.The SMMP parameters on the esight side have been configured and are consistent with the SP parameters on the device side.
• B.Have the operation authority of "resource access".
• C.esight and the device must be on the same network segment, otherwise the device cannot be discovered using the ARP broadcast protocol.
• D.esight and the device can be routed and communicated (Ping each other)

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In MDU test, PPPOE simulation results are as follows:

Which can be judged by the query results? (Multiple choice)

• A.MDu management IF2 is set correctly
• B.The link between the MDU device and the BRAS is normal
• C.The PPPoE user account and authentication method are correct
• D.The service configuration of PPPoE users is normal

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In order to prevent network monitoring in the GPON system, the most used method is:

• A.Use dedicated line transmission
• B.Wireless network transmission
• C.Use physical transmission (non-network)
• D.Information encryption

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