单项选择题
Given the following routing table entries， which of the following will the next-hop address be for a packet destined for the address 192.168.1.203？（）
A.77.0.5.5 B.40.40.0.254 C.66.40.90.121 D.72.40.91.1
WhichofthefollowingareformsofgigabitEthernetthatrequire...
多项选择题Which of the following are forms of gigabit Ethernet that require the use of fiber optic cables？（）
A.1000Base-CX B.1000Base-TX C.1000Base-SX D.10Base-T E.1000Base-T F.1000Base-LX
WhichofthefollowingnetworkdevicesoperatesonLayer1oftheO...
单项选择题Which of the following network devices operates on Layer 1 of the OSI model？（）
A.Hub B.Switch C.Router D.Bridge
Anetworktechnicianisinstallingaseriesofthreeaccesspoint...
单项选择题A network technician is installing a series of three access points to cover the entire wing of a building. Each access point has a wired connection and 802.11g is being used for the wireless transmission. Which of the following channels should be used for the access points？（）
A.Channels 1-6-11 B.Channels 1-3-5 C.Channels 7-11-1 D.Channels 2-4-6
