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专业英语第八章Communications and Networks测试题

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Chapter 8 Video Preview

Chapter 8 Online Quize ( Communications and Networks)第8章在线测验（通信和网络）

Chapter 8 Video Preview

1、PANs use wireless technologies such as:
A.Bluetooth
B.Microwave
C.lnfrared
D.NFC

ACD

1、个人区域网络使用无线技术，例如：
A、蓝牙
B、微波
C、红外线
D、 NFC

2、A WAN is the largest type of network. A WAN includes multiple(). lt is a network that spans over a large geographical area such as a country continent or even theentire globe.
A.PANs
B.LANs
C.CANs
D.MANs

BCD

2、广域网是最大的网络类型。广域网包括多个（）。它是一个跨越一个大地理区域的网络，例如一个国家大陆甚至整个地球。
A、个人区域网络
B、局域网
C、校园区域网络
D、城域网

3、lt is a small network that is used for connecting devices such as[smartphones]，[tablets]，and[laptops].

3、它是一个小型网络，用于连接设备，如[智能手机]，[平板] ，和[笔记本电脑].

4、A local area network is a group such as ( ) which are located in the same building, such as in an office or in a home.
A.computers
B.servers
C.switcher
D.printers

ABCD

4、局域网是一个组，如（）位于同一建筑中，如办公室或家中。
A、计算机
B、服务器
C、交换机
D、打印机

5、ln other words, in close proximity to each other.The most type of LAN is an [Ethernet LAN] , where two or more computers are connected to[Ethernet cables] using a [switch].

5、换句话说，就是彼此非常接近。大多数类型的局域网是[以太网局域网] ，其中两台或多台计算机连接到[以太网电缆] 使用[转换器].

6、A wireless LAN will typically have () such as laptops,tablets, wireless desktops, and smartphones, to communicate.
A.a Gateway
B.a Wi-Fi router
C.a switch
D.a wireless access point

6、无线局域网通常有（）来进行通信，如笔记本电脑、平板电脑、无线台式机和智能手机。
A、一个网关
B、一个Wi-Fi路由器
C、一个开关
D、一个无线接入点

7、A CAN is a network that joins two or more[LANs] together within[a limited area].So for example a CAN could be a university that has multiple buildings in the same general area that are connected to each other to form a larger network.

7、校园局域网是在[有限区域]内将两个或多个[局域网]连接在一起的网络.例如，一个校园局域网可以是一所大学，在同一个普通区域内有多个建筑，这些建筑相互连接，形成一个更大的网络。

8、MANs are typically connected using a high speed connection such as [fiber optic cable]. lt is a high speed network that gives the ability for sharing [data] and [resources] within a city.

8、城域网通常使用高速连接进行连接，例如[光纤电缆]。它是一个高速网络，能够在城市内共享[数据]和[资源]

9、Basically what a SAN is, is that it is a dedicated network that is used for data storage.This network consists of multiple( ).One of the main reasons for using a SAN is because SANs are not affected by network traffic such as bottlenecks that can happen in a local area network.
A.disk arrays

B.switches

C.cables

D.servers

ABD

9、存储区域网络基本上是一个专用网络，用于数据存储。此网络由多个（）组成。使用存储区域网络的主要原因之一是存储区域网络不受网络流量的影响，例如局域网中可能出现瓶颈。
A、磁盘阵列
B、交换机
C、电缆
D、服务器

Chapter 8 Online Quize ( Communications and Networks)

第8章在线测验（通信和网络）

1、ln a communication system,which among the followingoriginate and accept messages in the form of data, information, and/orinstructions?

A、Communication channel

B、Sending and receiving devices

C、Connection devices

D、Data transmission specifications

1、在通信系统中，以下哪一项以数据、信息和/或指令的形式发起和接受消息？

A、通信信道
B、发送和接收设备

C、连接装置

D、数据传输规范

2、Which physical connection is the fastest?
A、Twisted pair
B、Coaxial cable
C、Fiber-optic cable
D、Microwave

哪种物理连接最快？
A、双绞线
B、同轴电缆
C、光纤电缆
D、微波炉

3、Which among the following is considered a line-of-sight communication medium?
A、Broadcast radio
B、Satellite
C、Bluetooth
D、Microwave

以下哪项被视为视线通信媒介？
A、广播电台
B、卫星
C、蓝牙
D、微波炉

4、Using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer.
A、Voiceband
B、Mediumband
C、Broadband
D、Baseband

使用这种类型的通信信道，多个用户可以同时使用单个连接进行高速数据传输。
A、声带
B、地中海
C、宽带
D、基带

5、__ is the process of breaking down information sent or transmitted across the Internet into
small parts.
A、Protocol
B、Bandwidth
C、ldentification
D、Packetization

__是将通过互联网发送或传输的信息分解为小零件。
A、礼节
B、带宽
C、识别
D、包装化

6、The______is the central node that coordinates the flow of data by sending messages directly between the sender and receiver nodes.
A、client
B、server
C、switch
D、gateway

___是通过在发送方和接收方节点之间直接发送消息来协调数据流的中心节点。
A、客户
B、服务器
C、转换器
D、大门

7、This device enables connectivity between two LANS or a LAN and a larger network.
A、Network gateway
B、Node
C、Hub
D、Router

此设备支持两个LAN或LAN与更大网络之间的连接。
A、网络网关
B、节点
C、枢纽
D、路由器

8、A network topology in which the central node is connected to two, or more subordinate nodes that,in turn, are connected to other subordinate nodes.
A、Star
B、Bus
C、Mesh
D、Tree

一种网络拓扑结构，其中中心节点连接到两个或多个从属节点，而这些从属节点又连接到其他从属节点。
A、明星
B、公共汽车
C、网孔
D、树

9、Organizations use the following to allow suppliers and others limited access to their networks.
A、lntranets
B、Extranets
C、Firewalls
D、Proxy servers

组织使用以下方法允许供应商和其他人有限地访问其网络。
A、 lntranets
B、外扩网
C、防火墙
D、代理服务器

10、 All communications between a company's internal networks and the outside world pass throughthis server.
A、Base station
B、Node
C、Supercomputer
D、Proxy

公司内部网络与外部世界之间的所有通信都通过该服务器进行。
A、基站
B、节点
C、超级计算机
D、代理

11、TCP/IP protocol involves identifying, sending, and receiving devices and breaking information into small parts for transmission across the Internet.
A、true
B、false

TCP/IP协议涉及识别、发送和接收设备，并将信息分成小块，以便在互联网上传输。
A、对
B、错

12、Network operating systems(NOS) control and coordinate the activities of all computers and other devices on a network.
A、true
B、false

网络操作系统（NOS）控制和协调网络上所有计算机和其他设备的活动。
A、对
B、错

13、The most common standard in LANs is called Ethernet.
A、true
B、false

局域网中最常见的标准是以太网。
A、对
B、错

14、The client/server network strategy can handle very large networks efficiently.
A、true
B、false

客户端/服务器网络策略可以有效地处理非常大的网络。
A、对
B、错

15、ln a peer-to-peer network,only the central host computer supplies the resources, the other computers request resources from this host.

A、true
B、false

在对等网络中，只有中央主机提供资源，其他计算机从该主机请求资源。
A、对
B、错

16、lntrusion detection systemscan recognize signs of anetwork attack and disableaccess before an intrudercan do damage.
A、true
B、false

入侵检测系统可以在入侵者造成损害之前识别网络攻击和失败的迹象。
A、对
B、错

17、A network 【gateway】 is a device that allows one LANto be linked to other LANs or to larger networks.
A LAN set up for a household's personal use iscalled a(n) 【home】 network.
【Wide】 area networks are countrywide and worldwide networks.