多项选择题
For which two functions is the Routing Engine responsible？（）
A.packet forwarding B.queuing functions C.routing protocol control D.JUNOS software operation
单项选择题 Whenanon-rootuserconnectstoaJUNOSplatformandentersausernameandpassword，theuserisimmediatelyplacedatwhichlevel？（）
单项选择题 OnaJuniperrouter，whatisthedefaultfileusedforsyslogmessages？（）
单项选择题 Whatistheinterfaceconnectingtheroutingenginetothepacketforwardingenginecalled？（）
