If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（）
- A0 ps/nm
- B340 ps/nm
- C200 ps/nm
- D3400 ps/nm
- EMore information is needed.
问题
If the dispersion of a given fiber is
参考解析：
分类：CCNP(642-311)题库
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