计算机网络英文题库(共4页).doc

精选优质文档-倾情为你奉上Chapter 1 Computer Networks and the Internet1The ( ) is a worldwide computer network, that is, a network that interconnects millions of computing devices throughout the world. ppt3Apublic Internet BIntranetCswitch net Dtelevision net2Which kind of media is not a guided media? ( )Atwisted-pair copper wire Ba coaxial cableCfiber optics Ddigital satellite channel3Which