传统SDH(SynchronousDigitalHierarchy同步数字系列)传输设备只能提供()和()接口,不能与客户端交换机互连。A、SDHB、PDHC、FED、GE
传统SDH(SynchronousDigitalHierarchy同步数字系列)传输设备只能提供()和()接口,不能与客户端交换机互连。
- A、SDH
- B、PDH
- C、FE
- D、GE
相关考题:
与PDH相比较,SDH的主要特点包含:SDH有一套标准的信息等级结构、SDH的帧结构是矩形块状结构、SDH帧结构中拥有丰富的开销比特、( )。 A. SDH有矩形信息等级结构B.SDH有标准的帧结构C.SDH拥丰富的信息结构D.SDH具有统一的网络节点接口
MSTP(Multi-Service Transport Platform,多业务传送平台)是在传统的()设备基础之上发展而来的。增加了()等接口,MSTP带宽要求在()以上。A、SDH;以太网;2MB、SDH;G703;2MC、SDH;以太网;10MD、ATM;以太网;2M
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
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
填空题SDH系统取代传统的 PDH 系统的主要原因是 、 、 和 。