与传统SDH和SONET设备相比，OTN的优势有（）。A、更强的针对E1业务的仿真能力B、更强的前向误码纠正（FEC）能力C、6级的串联连接监视（TCM）D、能够对客户信号进行数据包头的分析
与传统SDH和SONET设备相比，OTN的优势有（）。
- A、更强的针对E1业务的仿真能力
- B、更强的前向误码纠正（FEC）能力
- C、6级的串联连接监视（TCM）
- D、能够对客户信号进行数据包头的分析
相关考题：
On an ONS 15454 node you can tunnel a（n） （）.A、 SDH circuit over a SONET network delivering it as an SDH signalB、 SDH circuit over a SONET network delivering it as a SONET signalC、 SONET circuit over an SDH network delivering it as an SDH signalD、 SONET circuit over an SDH network delivering it as a SONET signal
POS（PacketOverSONET/SDH，SONET/SDH上的分组）将长度固定的数据包直接映射进SONET同步载荷中，使用SONET物理层传输标准，提供了一种高速、可靠、点到点的数据连接。
On an ONS 15454 node you can tunnel an （）.A、SDH circuit over a SONET network delivering it as an SDH signalB、SDH circuit over a SONET network delivering it as a SONET signalC、SONET circuit over an SDH network delivering it as an SDH signalD、SONET circuit over an SDH network delivering it as a SONET signal
单选题On an ONS 15454 node you can tunnel a（n） （）.A SDH circuit over a SONET network delivering it as an SDH signalB SDH circuit over a SONET network delivering it as a SONET signalC SONET circuit over an SDH network delivering it as an SDH signalD SONET circuit over an SDH network delivering it as a SONET signal
单选题On an ONS 15454 node you can tunnel an （）.ASDH circuit over a SONET network delivering it as an SDH signalBSDH circuit over a SONET network delivering it as a SONET signalCSONET circuit over an SDH network delivering it as an SDH signalDSONET circuit over an SDH network delivering it as a SONET signal
问答题无菌包装与传统灌装相比有何优势？