试题详情
- 单项选择题Why is QoS important in a converged network?（）
A、Because voice data packets must follow a single dedicated path through the network
B、Because voice data packets should arrive quickly and sequentially, and with no lost data
C、Because lost voice-data packets must be retransmitted
D、Because data does not need to arrive intact, so data transfer rates can be variable
- B
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