When deploying GPON Type B single-homing protection, what is the working mode of the GPON port protection?

• A.portstate
• B.dual-parenting
• C.timedelay
• D.all

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When configuring the multicast service on the OLT, the multicast VLAN program adopts the static configuration method. Which of the following options can be configured or not?

• A.lgmp program
• B.servlce-port
• C.igmp user
• D.lgmp prof lle

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OLT can perform traffic shaping through service-port.

• A.Ture
• B.False

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When configuring HSI services on U2000 to add service-port, what are the service types? (Multiple choice)

• A.Multi-service priority mode
• B.Multi-service VLAN mode
• C.Multi-service packaging model
• D.Single business model

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If the quick leave function of multicast users is enabled, users can get a better service experience when switching channels.

• A.True
• B.False

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