试题详情
- 多项选择题What two descriptions best define DWDM？ （）
A、 a WDM system that is compatible with EDFA technology
B、 an optical technology for transmitting up to 16 channels over multiple fiber strands
C、 an optical technology for transmitting up to 32 channels over multiple fiber strands
D、 a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM
E、 a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
- A,E
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