(single) Is the following description correct? The board package file of the MA5680T includes all the supported board software. You do not need to use so many board software in actual use. Therefore, you can use the unpack tool to create a small package to improve the upgrade efficiency.

• A.False
• B.True

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For GPON line, MA5600T/MA5680T support multiple protection switching mode, MA5600T/MA5680T, Which technical support at the same time protect the trunk fiber and branch fiber protection?

• A.Type B
• B.Type A
• C.Type C
• D.Type D

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(single) MA5600T/MA5680T GE/FE optical interface board H802OPGD provides Ethernet optical access. How many GE/FE P2P accesses can be supported?

• A.8
• B.32
• C.16
• D.48

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In GPON networks, in order to avoid data collision and improve the efficiency of network utilization, descending direction using TDMA multiple access and data transmission of each ONU for arbitration.

• A.False
• B.True

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(multiple) The uplink interface of the IPM of the UA5000 broadband main control board supports port aggregation. Which of the following statements about aggregation is correct?

• A.The ports on the two IPM boards can be added to one aggregation port at the same time.
• B.The port rates must be the same and cannot be auto-negotiated;
• C.The port working mode must be full duplex;
• D.The mirroring destination port cannot be added to the aggregation port.

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