10-11D1XQR《计算机网络》复习题及答案(共58页).doc

精选优质文档-倾情为你奉上Chapter 1 Computer Networks and the Internet1.The (A) is a worldwide computer network, that is, a network that interconnects millions of computing devices throughout the world.A.public Internet B.IntranetC.switch net D.television net2.Which kind of media is not a guided media? (D)A.twisted-pair copper wire B.a coaxial cableC.fiber optics D.digital satellite channel