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。
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。
相关考题：
以下关于路由器配置POS端口的描述中，哪项是错误的?——A．POS是一种利用SONET／SDH提供的高速传输通道直接传送IP数据包的技术B．在路由器上插入一块POS模块，路由器就可提供POS接口C．POS接口的配置参数有接口带宽、接口地址、接口的链路层协议等D．在配置POS接口时，所有参数不用与对端接V1的参数保持一致
POS技术说法不正确的是（）A、使用SONET/SDH设备/帧结构来传送IP业务B、利用点到点传送的封装技术把IP业务进行封装，然后在光纤或传输系统上进行传输C、封装协议主要有PPP/HDLC；LAPS和GFP封装协议三种D、计算机网络互联的最常用接口
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
Which two statements are true about optical networks?（）A、SONET and SDH both use time-division multiplexing.B、An optical transport network system uses time-division multiplexing.C、SONET and SDH both use wavelength-division multiplexing.D、An optical transport network system uses wavelength-division multiplexing.
ZXMP M800可接入如下业务：（）A、SDH业务，包括STM-1/4/16/64B、SONET业务，包括OC-3/12/48/192C、ATM业务或POS业务，包括VC4、VC4-4c、VC4-16cD、以太网业务，包括100Mbit/s、GbE
Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects twoor more customer devices using Ethernet bridging techniques？（）A、 DPTB、 MPLSC、 VPLSD、 CWDME、 DWDMF、 SONET/SDH
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
单选题What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards？（）A LEXB HDLCC GFP-FD PPP/BCP
单选题Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects twoor more customer devices using Ethernet bridging techniques？（）A DPTB MPLSC VPLSD CWDME DWDMF SONET/SDH