1. (Ture or False) At present, mm wave is the main frequency band for future 5G deployment all over the world. True False 2. (Single choice) Which of the following description about the high and low frequency usage in 5G network is wrong? The coverage of high frequency is weak, it's difficult to achieve wide coverage. Low frequency is used to provide basic coverage. High frequency resources is abundant, and will be used as the main coverage band. High frequency is mainly used for hotspot with high capacity. 3. (Multiple choices) Which of the following scenarios are suitable for 5G mmWave deployment? Indoor and outdoor hotspots Wireless home broadband Wireless backhaul Continuous coverage of the entire network

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Transmission media

A communication channel that transmits data from a source to a recipient is referred to as "transmission media." Electromagnetic impulses are used to transmit data. Transmission media's primary purpose is to transmit data in the form of bits via a local area network (LAN). In data transport, it is the physical link that connects the transmitter and receiver. Transmission medium is part of layer 1 or physical layer of the ISO/OSI (Open System Interconnection) model.