Thursday, September 22, 2022
当中兴的SFE单板运行在虚拟局域网下时,下面那些说法是对的:()....
Thursday, September 22, 2022
ZXMP-S390系统防尘网的清洁维护周期要求为()天。...
Monday, September 19, 2022
G.655在1530~1565nm之间光纤的典型参数为:衰减<()dB/km;色散系数在1~6ps/nm•km之间。...
Thursday, September 22, 2022
单选题光纤WDM中的中同轴电缆1800路FDM模拟技术,每路电话()。A 2kHzB 4kHzC 6kHzD 8kHz...
Sunday, June 4, 2023
关于再生段跟踪标识失配(TIM)告警,下面哪些描述是正确的:()。...
Thursday, September 15, 2022
ZXSM-10G系统使用G.652光纤传输,改善色散受限距离,下列哪个方法没有用到()。...
Thursday, September 22, 2022
填空题交叉板有()和()两级,分别处理()和()级别的交叉。...
Tuesday, April 11, 2023
单选题为保证设备正常运行时,建议每隔()清洁一次防尘网。A 一周B 半个月C 一个月D 一季度...
Sunday, March 26, 2023
下面哪些供电电压可以提供给ZXSM-10G设备供电:()。...
Friday, September 16, 2022
Wednesday, September 21, 2022
判断题公务字节E1属于MSOH,用于直达公务通路,可以在复用段终端接入,E2属于RSOH,用于本地公务通路,可以在再生器接入。A 对B 错...
Wednesday, August 23, 2023
Thursday, September 22, 2022
Wednesday, September 21, 2022
多选题下面哪种速率的电信号采用三阶高密度双极性码(HDB3)().。A2048kBit/sB34368kBit/sC44736kBit/sD155520kBit/s...
Saturday, May 4, 2024
复用是一种使多个低阶通道层信号适配进高阶通道或将多个高阶通道层信号适配进复用层的过程,基本方法是字节间插,也称正码速调整...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
Wednesday, December 7, 2022