單項選擇題What is the maximum data rate specified for IEEE 802.11b WLANs（）。

A.10Mbps
B.11Mbps
C.54Mbps
D.100Mbps


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3.單項選擇題術(shù)語ARP代表什么？（）

A.地址解析協(xié)議
B.反向地址解析協(xié)議

4.多項選擇題Which router IOS commands can be used to troubleshoot LAN connectivity problems? （）

A.ping
B.tracert
C.ipconfig
D.show ip route
E.winipcfg
F.show interfaces

5.單項選擇題When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link（）。

A.no VLANs
B.all VLANs
C.only VLANs 1 - 64
D.only the VLANs that are specified when creating the trunk