信息系统复习参考7(2)

26) In TCP/IP, IP is responsible for

A) disassembling and reassembling of packets during transmission. A) 在传输过程中拆卸和重新组装数据包。

B) establishing an Internet connection between two computers. C) moving packets over the network. D) sequencing the transfer of packets. Answer: A Diff: 3 Page Ref: 251 AACSB: Use of IT CASE: Comprehension Objective: 7.3

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27) In a telecommunications network architecture, a protocol is

A) a device that handles the switching of voice and data in a local area network. B) a standard set of rules and procedures for control of communications in a network. C) a communications service for microcomputer users. D) the main computer in a telecommunications network. 、在电信网络体系结构中, 协议是

a) 一种在局域网中处理语音和数据交换的设备。 B) 一套标准和程序, 用于控制网络中的通信。 C) 为微型计算机用户提供通信服务。 D) 电信网络中的主要计算机。

Answer: B Diff: 2 Page Ref: 251 AACSB: Use of IT CASE: Comprehension Objective: 7.1

28) What are the four layers of the TCP/IP reference model? A) physical, application, transport, and network interface B) physical, application, Internet, and network interface C) application, transport, Internet, and network interface D) application, hardware, Internet, and network interface

tcp/ip 参考模型的四层是什么？ APP—传输—因特网—network A) 物理、应用程序、传输和网络接口 B) 物理、应用、互联网和网络接口

C) 应用程序、传输、Internet 和网络接口 D) 应用程序、硬件、互联网和网络接口

Answer: C Diff: 3 Page Ref: 251-252 AACSB: Use of IT CASE: Comprehension Objective: 7.3

29) Which signal types are represented by a continuous waveform? A) laser B) optical C) digital

D) analog 模拟信号

哪些信号类型由连续波形表示？ A) 激光 B) 光学 C) 数字 D) 模拟

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Answer: D Diff: 2 Page Ref: 252 AACSB: Use of IT CASE: Comprehension Objective: 7.1

30) To use the analog telephone system for sending digital data, you must also use A) a modem. 调制解调器 B) a router. C) DSL.

D) twisted wire. Answer: A Diff: 1 Page Ref: 252 AACSB: Use of IT CASE: Comprehension Objective: 7.1

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31) Which type of network is used to connect digital devices within a half-mile or 500-meter radius?

31) 哪种网络用于在半英里或500米半径内连接数字设备？ A) microwave B) LAN 局域网

C) WAN 广域网 D) MAN Answer: B Diff: 2 Page Ref: 253 AACSB: Use of IT CASE: Comprehension Objective: 7.2

32) Which of the following Internet connection types offers the greatest bandwidth? 以下哪种互联网连接类型提供最大带宽？ A) T3 B) DSL C) cable D) T1

Answer: A Diff: 2 Page Ref: 258 AACSB: Use of IT CASE: Comprehension Objective: 7.3

33) Which type of network would be most appropriate for a business that comprised three employees and a manager located in the same office space, whose primary need is to share

documents? 哪种类型的网络最适合于一个由三名雇员组成的企业和一个位于同一办公空间的经理, 其主要需要是共享文件？

A) wireless network in infrastructure mode B) domain-based LAN

C) peer-to-peer network C) 对等网络 D) campus area network Answer: C Diff: 2 Page Ref: 253-254 AACSB: Analytic Skills …… 此处隐藏：952字，全部文档内容请下载后查看。喜欢就下载吧 ……