判断题
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
The ZXMP M900 is applicable to ultra long-haul transmis...
单项选择题The ZXMP M900 is applicable to ultra long-haul transmission and the system reach can be up to （） at the maximum 。
A.640km B.2000km C.560km D.800km
In a ZXMP M800 system using 100M monitoring, the order-...
单项选择题In a ZXMP M800 system using 100M monitoring, the order-wire and protection switching commands are delivered to related network elements of multicast groups. Each system has a maximum of （） multicast groups.
A.1 B.2 C.3 D.4
ZXWM M900密集波分复用光传输系统中采用的超长距放大技术包括大功率（）技术和（）放大器技术
填空题ZXWM M900密集波分复用光传输系统中采用的超长距放大技术包括大功率（）技术和（）放大器技术
