11-计算机网络基础知识参考试题及答案解析（11- computer network basic knowledge, reference questions and answer analysis）.docVIP

11-计算机网络基础知识参考试题及答案解析（11- computer network basic knowledge, reference questions and answer analysis） Basic knowledge of computer network reference questions and answers analysis - individual choice questions (1) in 1991, our country established the first special line connecting with the Internet, which was successfully connected with the Stanford University. The implementer was the Chinese Academy of sciences. A) Institute of Mathematics (B) Physics Institute (C) D Institute of intelligence Answer: B) analysis: in June 1991, Chinas first international Internet connection was completed. It was received from the Institute of high energy physics at the Chinese Academy of Sciences at the University of Washington linear accelerator center. (2) which of the following views is true in the discussion of computer networks? () (A) the purpose of building a computer network is to realize the interconnection of LAN B) all computer connected to Internet must use the same operating system C) the network must adopt a distributed operating system with global resource scheduling capability (D) interconnected computers are multiple autonomous autonomous computer systems distributed over different geographical locations Answer: D): analysis of the basic characteristics of the computer network at present: the main purpose of the establishment of computer network is to realize the sharing of computer resources; Internet computer is distributed in different geographical location of the multiple independent autonomous computer; the communication between the computer network must follow the common network protocol, is not connected to the network the computer operating system using the same. (3) the geographical coverage of Wan covers tens of kilometers to thousands of kilometers. Its communication subnet is mainly used (). A) packet switching technology (B) packet switching technology C) document switching technology (D) circuit switching technology Answer: B) analysis: the communication