网络与通讯2

网络与通讯2

10th Grade

14 Qs

quiz-placeholder

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网络与通讯2

网络与通讯2

Assessment

Quiz

Computers

10th Grade

Practice Problem

Medium

Created by

wong wc

Used 12+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪项有关讯号种类的叙述是正确的?

人类所听到的音乐是数位讯号的一个例子
数位讯号比类比讯号较容易受到杂讯的干扰
类比讯号是指连续性的讯号,如人们说话的声音
数位讯号是指非连续性的讯号,如播音器所发出的声音

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪项是数据通讯与电脑网络结合的优点?I资源共享 II降低成本 III快速传送数据

I , II, III
II, III
II
III

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

产播电台属于何种形态传输方式?

单工
半双工
全双工
倍双工

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

志明使用通讯软体与同学讨论有关旅游的细节,此种数据通讯传输方式为何?

单工传输
全单工传输
半双工传输
全双工传输

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

电脑与印表机(Printer)的数据传输是属于下列哪一种数据传输方式?

单工(Simplex )
多工(Multiplex)
全双工(Full-duplex)
半双工(Hal&duplex)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

要将数据从A点传送到B点,需依靠载波(Carrier)经过哪一种过程,将数据转换成讯号后,才能进行远距离的传送?

压缩
调制
解压
解码

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

当任何一个节点发生故障时,将会造成下列哪种拓扑的整个网络瘫痪而无法使用?

星状拓扑
网状拓扑
汇流排拓扑
环状拓扑

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