INTERNET属于（)。

A.LAN

B.WAN

C.MAN

D.网际网

局域网的英文缩写是

(A)WAM (B)LAN (C)MAN (D)Internet

LAN接入Internet的方式是利用( )技术，采用( )的方式对企业机构办公网进行综合布线。

A.Internet、Intranet、Extranet

B.广播式网络、移动网络、点-点式网络

C.X.25、ATM、B-ISDN

D.LAN、MAN、WAN

ternet的Internet内部网络中，则应采用③模式。

A.基于Internet的EDI

B.基于WAN的EDI

C.基于VAN的EDI

D.基于LAN的EDI

关于Internet，下面说法中不确切的是【】

A．Internet是安全可靠的

B．Internet也在不断的发展，下一代Internet也已经出现

c．Internet是由许多LAN与WAN组成的

D．Internet中有许多商业机会

WLAN(Wireless LAN)是计算机网络与无线通信技术相结合的产物。下列哪些属于WLAN 技术标准？()

A 802.11a

B 802.11b

C 802.11g

D 802.11q

以下属于网络操作系统的是()

A、Unix;

B、Linux;

C、WIN98;

D、WINDOWSNT;

E、NETWARE4.11;

F、OS/2;

G、LANMANGER4.0

s well as voice applications. It【B1】the efficiency and productivity of workers in a【B2】of other business environments. Key wireless technologies and【B3】including wireless LANs, cell telephone and packet data networks, global tracking systems, mobile computing, wireless Internet access, and enhanced paging and dispatch systems. Wireless LAN products,【B4】wire-based networks, connect PCs, laptops, PDAs, and more to LANs but offer one important【B5】they allow you to move or "roam"【B6】while staying tied to your【B7】or the information on your wired network【B8】you can communicate with them【B9】you are, without ever losing the【B10】to the network,

Digital's wireless LAN products are clear leaders in the marketplace. Digital【B11】the industry's most complete portfolio(系列服务) of mobile and wireless products.【B12】such as wireless PC Cards, wireless ISA adapters and superior wireless bridge, digital cordless telephony【B13】desktop devices to communicate wirelessly with other wireless【B14】, or access network files, services, and devices on the wired network.

Wireless communication technology can also be used for【B15】time data collection in locations【B16】considered too remote, inaccessible or environmentally hostile for conventional wired monitoring systems. Mobile hosts such as notebook and palmtop computers are now widely【B17】and affordable. Today's laptops and notebooks come loaded【B18】almost all imaginable wireless communications devices. This gives desktop PC customers a choice of wireless technology【B19】best suits their mobility and application needs.

Other markets for wireless technology include customer service, retailing, and health care.【B20】every market in the service sector of the economy is a candidate for wireless technologies and services.

【B1】

A．reduces

B．improves

C．disturbs

D．provokes

实验 构建小型无线局域网

实验学时：1学时；实验组学生人数：20人。

实验目的

认识无线局域网设备，掌握无线网络的配置技术。

实验环境

1．安装有TCP/IP通信协议的Windows XP系统PC机：20台。

2．无线宽带路由：1台。

3．USB接口无线网卡：20个。

4．五类UTP直通电缆：2条。

5．提供一个静态公网IP地址、Mask、默认网关和本地DNS服务器的IP地址。

6．无线宽带路由及无线网卡使用说明书。

7．无线网卡驱动光盘。

实验准备

1．按图8-14所示结构完成网络连接。无线宽带路由的WAN端口连接到Internet网络，一台PC机使用UTP双绞线电缆连接到无线宽带路由的LAN端口。

2．保持无线宽带路由为出厂默认设置。

3．保证Windows系统上没有安装无线网络。

实验内容

1．无线宽带路由配置。

2．无线网卡的安装与配置。