在Linux网络配置中，可以通过运行(33)命令来设置主机名字，在不使用DNS和NIS进行地址解析时，为保证解析器能找到主机的IP地址，必须将所使用的主机名字写入(34)文件中，解析器的功能是(35)；Linux中提供名字服务的程序是(36)；文件“host.conf”的主要作用是规定解析器所使用的(37)。

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Bluetooth is a universal radio interface in the(71)frequency hand that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc networks. Each unit can simultaneously communicate with up to(72)other units per piconet. Moreover, each unit can simultaneously(73)to several piconets. Eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications. Technology Characteristics(74)symbol rate exploits maximum available(75)bandwidth。

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