《计算机专业英语》第09章在线测试

《计算机专业英语》第09章在线测试

《计算机专业英语》第09章在线测试

剩余时间：5 9:56

答题须知：1、本卷满分20分。

2、答完题后，请一定要单击下面的“交卷”按钮交卷，否则无法记录本试卷的成绩。 3、在交卷之前，不要刷新本网页，否则你的答题结果将会被清空。 第一题、单项选择题（每题1分，5道题共5分）

1、A ＿＿＿＿＿＿＿＿ is a set of rules that controls the interaction of different devices in a network or internetwork.

A、model C、dialog

B、protocol D、query

2、The purpose of the A is to provide fully integrated analog services to users.

A、ISDN C、FTP

B、WWW D、HTTP

3、A(n) ＿＿＿＿＿＿＿＿ is a connecting device that only regenerates the signal.

A、hub C、router

B、repeater D、switch

4、Whereas a repeater operates only in the physical layer of the OSI model, a bridge operates in both the physical layer and the ＿＿＿＿＿＿＿＿ layer of the OSI model.

A、Transport Layer C、data-link

B、Network Layer D、Physical Layer

5、A(n) ＿＿＿＿＿＿＿＿ is usually a computer installed with the necessary software and allows two networks, each with a completely different set of protocols, to communicate.

A、hub C、switch

B、gateway D、router

第二题、多项选择题（每题2分，5道题共10分）

1、The end equipment in a communication system includes ＿＿＿＿＿＿.

A、computers B、CRTs

C、printers D、keyboards

2、DTE is ＿＿＿＿＿＿.

A、Digital T-carrier B、data terminal equipment C、satellite

D、the last piece of equipment that belonged to the subscriber in a data link system

3、There are AB＿ between the DTEs.

A、the modem

B、communications equipment C、digital-to-analog converter

D、will be replaced by an upd＿ated standard

4、＿＿＿＿＿＿＿＿＿＿ provides transparent transfer of data between end users, providing reliable data transfer services to the upper layers.

A、The Transport Layer B、Session Layer C、Presentation Layer D、Application Layer E、Network Layer

5、The Application layer in TCP/IP Model is correspond to ＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿ in OSI Model

A、Application Layer B、Presentation Layer C、Session Layer D、Transport Layer

E、Network Layer

第三题、判断题（每题1分，5道题共5分）

1、TCP means it is on the network layer and IP means it is on the transport layer separately.

正确

错误

2、A LAN (Local area data networks) is a group of computers and the network devices connected together usually within the different buildings.

正确

错误

3、The four topologies in common use are star, router, ring and hub.

正确

错误

4、Three techniques have been adopted for use of the medium access control in the LANs.

正确

错误

5、Control token is the only way of controlling access to a shared transmission medium.

正确

错误

交卷

恭喜，交卷操作成功完成！你本次进行的《计算机专业英语》第09章在线测试的得分为 20分（满分20分），本次成绩已入库。若对成绩不满意，可重新再测，取最高分。

测试结果如下：

? ? ? ?

?

1.1 [单选] [对] A ＿＿＿＿＿＿＿＿ is a set of rules that controls the interaction of different devices in a network or internetwork.

1.2 [单选] [对] The purpose of the A is to provide fully integrated analog services to users.

1.3 [单选] [对] A(n) ＿＿＿＿＿＿＿＿ is a connecting device that only regenerates the signal.

1.4 [单选] [对] Whereas a repeater operates only in the physical layer of the OSI model, a bridge operates in both the physical layer and the ＿＿＿＿＿＿＿＿ layer of the OSI model.

1.5 [单选] [对] A(n) ＿＿＿＿＿＿＿＿ is usually a computer installed with the necessary software and allows two networks, each with a completely different set of protocols, to communicate.