Which of the following description about the CRAN pre-transmission fiber straight-through solution is correct? (Multiple choice)

• A.No OAM capability
• B.No need pre-transmission equipment
• C.Need pre-transmission equipment
• D.have OAM capability

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Which is the choice of clock synchronization mode for C-Band low-frequency networking gNodeB base station?

• A.Mixed Mode
• B.Frequency synchronization
• C.Time synchronization

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The transmitted DSCP value indicates the differential service code priority, the larger the value, the higher the priority.

• A.True
• B.False

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gNodeB configures cell duplex mode based on band information.

• A.True
• B.False

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CU/DU is set together, CU logical nodes and DU logical nodes will be added on the same BBU5900.

• A.False
• B.True

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