Which of the following encoding formats belong to the H248 protocol that can be used?

• A.Text format
• B.ASCII format
• C.Binary format
• D.HDB3 encoding

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Is the following description correct? In the GPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.

• A.False
• B.True

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