多项选择题
Which three statements are true of dynamic routing protocols？（）
A.They are scalable. B.They are Dijkstra based. C.They share network layer reachability information among neighbors. D.They automate next hop decisions. E.They are tolerant of configuration errors.
多项选择题 ForwhichtwofunctionsistheRoutingEngineresponsible？（）
单项选择题 Whenanon-rootuserconnectstoaJUNOSplatformandentersausernameandpassword，theuserisimmediatelyplacedatwhichlevel？（）
单项选择题 OnaJuniperrouter，whatisthedefaultfileusedforsyslogmessages？（）
