ZXCTN产品中可对宿端PE节点单点故障进行业务保护的技术是： For ZXCTN products, which of the following technologies can perform service protection for single-point fault in sink node PE?
发布于 2021-04-23 22:06:14
【单选题】 A 1、Tunnel 1+1 B 2、Tunnel 1：1 C 3、环网保护 Ring network protectio D 4、PW双归保护 PW dual-homing protectio
