【名词&注释】
一致性(consistency)、局域网(lan)、交换机与路由器
[单选题]Software is divided into two categories，system software and application software．Please choose one which is differ from other three
A. WindOws 98
B. Word 2000
C. C++compiler
D. FoxBase DBMS
查看答案&解析
举一反三：
[单选题](18)存不同厂家交换机互连，要实现VLAN Trunk功能，必须在直接相连的两台交换机端口上都封装相同协议，即( )，保证协议的一致性，否则不能正确地传输多个VLAN的信息。
A. IEEE 802.1Q
B. CiscoISL
C. IEEE 802.11
D. IEEE 802.3
[单选题]LANs can be connected by using bridges, which operate in the
A. physical layer
B. data link layer
C. network layer
D. transport layer
本文链接：https://www.zhukaozhuanjia.com/download/lxjd0y.html
