单项选择题
A.10Mbps B.100Mbps C.1000Mbps D.10000Mbps
Whichofthefollowingroutingprotocolsisalinkstateandusesa...
单项选择题Which of the following routing protocols is a link state and uses a backbone called area 0？（）
A.OSPF B.EIGRP C.BGP D.IS-IS
Whichofthefollowingcablestandardshasamaximumeffectivera...
单项选择题Which of the following cable standards has a maximum effective range of 25 meters （82 feet）？（）
A.1000Base-CX B.1000Base-T C.1000Base-LX D.1000Base-SX
