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PIN分层封装关系是( )
A. 客户信号封装进入VS
B. PTS封装进入VP
C. VP封装进入VC
D. VC封装进入VP
B. PTS封装进入VP
C. VP封装进入VC
D. VC封装进入VP
参考答案
参考解析
解析:虚通道(VC)层;虛通路(VP) 层:虛段(VS)层:传送段(PTS) 层。A错误,分组传输通道层将封装客户信号进入VC;通路层VP:封装和复用虚电路及VC道进入VP。
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