光缆、电缆、微波和红外无线链路及其交换设备，属于传输媒体。 Optical cables, cables, microwave and infrared wireless links and their switching equipment belong to the transmission media. （True or Flase)
光缆、电缆、微波和红外无线链路及其交换设备，属于传输媒体。 Optical cables, cables, microwave and infrared wireless links and their switching equipment belong to the transmission media. （True or Flase)
参考答案和解析
微波站
相关考题：
In most wide area networks, the communication subnet consists of two distinct components：transmission lines andA．networtsB．switching elementsC．computersD．data terminal equipment
What three in combination are factors that can cause four－wave mixing in fiber－optic cables? ()(Choose three.) A. low optical powerB. high optical powerC. few optical channelsD. many optical channelsE. low chromatic dispersionF. high chromatic dispersionG. too much power differential in the optical channels
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)A、low optical powerB、high optical powerC、few optical channelsD、many optical channelsE、low chromatic dispersionF、high chromatic dispersionG、too much power differential in the optical channels
传输媒体是通信网络中发送方和接收方之间的物理通路。计算机网络中采用的传输媒体可分为有线和无线两大类。双绞线、同轴电缆和光纤是常用的三种（）传输媒体。卫星通信、无线通信、红外通信、激光通信以及微波通信的信息载体都属于（）传输媒体。
When cabling a rack， which of the following is BEST practice？（）A、 Use rack specific cabling hardwareB、 Let cables hang loosely behind the serversC、 Channel all power cables down the sides， and all network cables down the centerD、 Keep cables close to the front of the rack for better access
单选题When cabling a rack， which of the following is BEST practice？（）A Use rack specific cabling hardwareB Let cables hang loosely behind the serversC Channel all power cables down the sides， and all network cables down the centerD Keep cables close to the front of the rack for better access
填空题传输媒体是通信网络中发送方和接收方之间的物理通路。计算机网络中采用的传输媒体可分为有线和无线两大类。双绞线、同轴电缆和光纤是常用的三种（）传输媒体。卫星通信、无线通信、红外通信、激光通信以及微波通信的信息载体都属于（）传输媒体。
多选题What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）Alow optical poweBhigh optical powerCfew optical channelsDmany optical channelsElow chromatic dispersionFhigh chromatic dispersionGtoo much power differential in the optical channels
多选题What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)Alow optical powerBhigh optical powerCfew optical channelsDmany optical channelsElow chromatic dispersionFhigh chromatic dispersionGtoo much power differential in the optical channels
单选题对环境气候不敏感的无线传输媒体是（）A无线电波B激光C微波D红外线