【名词&注释】
路由器(router)、数据交换(data exchange)、交换机(switch)、中继器(repeater)、第三层(layer 3)
[单选题]在信息系统中，信息的处理不包括______。
A. 信息的输入
B. 信息的删除
C. 信息的修改
D. 信息的统计
查看答案&解析
举一反三：
[单选题]（38）
A. 0.089
B. 0.159
C. 0.222
D. 0.286
[单选题]Asynchronous Transfer Mode(ATM)is a(16)that promises to change the fabric of local and wide area communications.The key advantage of ATM is the capability to move voice, data, graphics and(17)at speeds of up to 2 gigabits per second.An ATM switch allows you to create a(18)network that is completely independent from the(19)configuration of the network.ATM uses a(20)called cell switching to convert data into fixed length cells of 53 bytes each, so they can be switched very quickly and efficiently.
A. technology
B. video images
C. logical
D. physical
[单选题]当数据在两个VLAN之间传输时需要哪种设备?(68)
A. 二层交换机
B. 网桥
C. 路由器
D. 中继器
本文链接：https://www.zhukaozhuanjia.com/download/36wnxx.html
