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判斷題

對于40波以上至160波的超大容量傳輸，ZXWM M900的光放大部平臺對C波段和L波段分別同時放大

答案：錯誤

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單項選擇題

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

單項選擇題

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

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