单项选择题
How many IP addresses can be configured in a given interface？（）
A.one primary and one secondary IP address B.one IP address C.as many IP addresses as you want D.one primary and multiple secondary IP addresses
单项选择题 WhichstatementistrueabouttheinternallinkbetweentheRoutingEngineandthePacket-ForwardingEngine？（）
单项选择题 WhichmajorJ-WebmenushouldyouusetoupgradetheJUNOSsoftwareontherouter？（）
多项选择题 Whichthreestatementsaretrueofdynamicroutingprotocols？（）
