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

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

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Compared with GPON, XGS-PON can cover more users and provide higher bandwidth rate on the premise of the same ODN network architecture.

• A.FALSE
• B.TRUE

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With the development of business, bandwidth requirements are getting higher and higher, 10G PON technology can better adapt to the needs of the network, which of the following description of 10G PON is correct? (Multiple choice)

• A.C has a larger splitting ratio than GPON, which can save ODN investment better.
• B.In order to be compatible with GPON, the frame structure of 10G GPON still uses GEM frames.
• C.10G GPON provides larger bandwidth and more sufficient optical power budget.
• D.Although the upstream wavelength range of 10G GPON overlaps with GPON, it does not affect the coexistence of the two.

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What is the downlink wavelength in the 10GGPON system?

• A.1577nm
• B.1310nm
• C.1270mm
• D.1490nm

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esight is a network management software positioned in enterprise network scenarios. It can view detailed information of onu devices, including: (Multiple Choice)

• A.Optical module temperature
• B.Optical module transmit power
• C.UNT port information
• D.Rate

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