实验1:第一章测试
1 Which of the following are functions of a web browr without the addition of plug-ins? [Choo three.](十大名牌血压计cde)
下列哪项是一个没有插件的web浏览器的功能? 解释:连接、接触服务器,请求、接受信息
a. displays Quicktime movies 显示Quicktime电影
b. displays flash animation 显示flash动画
c. requests information .请求信息
d. contacts web rvers 接触web服务器
e. receives information 接收信息
f. updates IRQ‘s 更新IRQ的
2 Why were TCP/IP protocols developed?(a)
为什么TCP / IP协议开发?
a. To allow cooperating computers to share resources across a network 允许合作的计算机通过网络共享资源
b. To insure that error correction of each packet takes place. 对每个数据包发生的误差修正。
c. To allocate resources that are needed for operating a computer on a LAN. 在局域网内分配那些需要操作的电脑的资源
d. To determine the "best path" decision making when forwarding packets of data.确定“最佳路径”转发数据包时的决策
3 In an 8 bit binary number, what is the total number of combinations of the eight bits?(b)
在一个关于牧童的诗8位二进制数,八个比特的组合的总数吗? 解释:0(0000 0000) - 255(1111 1111)
a. 255
b. 256 谢绝的近义词
c. 512
d. 128
e. 254
f. 1024
4 Which statements best describe a physical connection? [Choo two.]
哪个陈述最好的形容物理连接。(选择两个。) (ad)
a. could utilize modem or NIC 可以使用调制解调器或网卡(猫)
b. interprets data and displays information 解释数据和显示信息
c. Internet standard is TCP/IP 互联网标准TCP / IP
d. ud to transfer data between PC and local network 用于PC和本地网络之间传输数据
5 Which of the following interprets the data and displays the information in an understandable form for the ur to e?(d)
下列哪个是用户可见的解释数据并显示信息在一个可以理解的形式?
a. physical connection 物理连接
b. remote devices 远程设备
c. logical connection 逻辑连接
d. application 应用程序
e. protocol stack 协议栈石壕吏
6 If you perform a Boolean AND on the IP address 172.16.20.23 using the subnet mask of 255.255.248.0, which of the following is the subnetwork address? (动漫图片绘画d)
172.16.20.23 与操作255.255.248.0?
a. 172.16.0.0
b. 172.16.24.0
c.172.16.20.0
d. 172.16.16.0
e. 172.16.20.16
解释:172.16.20.23 1000 1100. 0001 0000. 0001 0100. 0001 0111
255.255.248.0 & 1111 1111. 1111 1111. 1111 1000. 0000 0000
172.16.16.0 1000 1100. 0001 0000. 0001 0000. 0000 0000
7 Which of the following will test the internal loopback of a node?(e)
下列哪个用于测试一个节点的内部环回?
a. ping 10.10.10.1
b. ping 192.168.1.1
c. ping 223.223.223.223
d. ping 255.255.255.255
e. ping 127.0.0.1
8 Which of the following are popular web browrs? [Choo 3.](deg)
下列哪些是现在流行的web浏览器吗?
a. Macromedia Flash
b. Quicktime
c. World Wide Web
d. Chrome
e. Internet Explorer
f. Acrobat
g. Firefox
9 Convert the Ba 10 number 116 into its eight bit binary equivalent. Choo the correct answer from the following list: (c)
基地是10的数116号转换成它的八位二进制等效。从下面的列表中选择正确的答案:
01111010
b. 01110111
c. 01110100
d. 01010110
e. 01110010
f. 01110110
解释:116=0+64+32+16+0+4+0+0(0111 0100)
10 Which phras describe a byte? [Choo two.] (cd)
下列哪些可以描述一个字节
a. a single binary digit 一个二进制数字
b. +5 volts of electricity + 5伏特的电力
c. a single addressable storage location 一个可寻址存储位置
d. a grouping of eight binary digits 八个二进制数字的分组
记得忘记e. the value range from 0 to 127 值从0到127不等
实验2:第二章测试
1 Which of the following is true regarding network bandwidth? (c)
关于网络带宽以下哪一个是正确的?
a. Bandwidth is not a key factor in analyzing network performance 带宽不是分析网络性能的关键因素
b. Bandwidth is free. .带宽是免费的
c. Bandwidth has capacity limits. 带宽有容量限制
d. Bandwidth never increas. 带宽不可以增多
2 Which of the following are ways that bandwidth is commonly measured?(货币的起源ace)
以下哪些方式通常用来带宽的测量?
a. Gbps
b. GHzps
c. kbps
d. MHzps
e. Mbps
f. Nbps
3 What is the numeric ba of hexadecimal numbers? 十六进制数字的数字基础是什么(c)
a. ba 10
b. ba 8
c. Ba 16
d. ba 2
e. Ba 32
4 Which of the following describe a LAN?下面哪些是描述局域网的 (ae)
a. connects physically adjacent devices .连接物理上相邻设备
b. ensures single access to specialty hosts 确保单一访问专用主机
c. provides dial-up connectivity 提供拨号连接
d. us rial interfaces to allow operation at lower speeds 使用串行接口允许运行在较低的速度
e. operates within a limited geographical area 操作在一个有限地理区域
季节用英语怎么读
5 Which of the following topologies are considered logical topologies? 以下哪些是逻辑拓扑结构?(cd)
a. mesh .网型
b. star 星型
c. token-passing 令牌传送
d. broadcast 广播
e. hierarchical 分层
f. bus 总线
6 Which of the following is the official name for the address assigned to each network interface card (NIC) by its manufacturer? 下列哪个是分配给每个网络接口卡(NIC) 官方的名称地址?(b)
a. NIC address 网卡地址