Which command is a valid way to view the status of an interface？（）

多项选择题WhichtwostatementsregardingJUNOSarchitecturearecorrect？（）

A.The Routing Engine handles all exception traffic.
B.The Routing Engine synchronizes the route table with the PFE
C.The Routing Engine is hot-pluggable.
D.The Routing Engine controls the PFE

单项选择题HowmanyIPaddressescanbeconfiguredinagiveninterface？（）

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？（）

A.It is only used for exception traffic.
B.It is an FE link called fxp2.
C.It is rate-limited to avoid DDOS attacks.
D.It is only used to send the forwarding-table from the Routing Engine to the Packet-Forwarding Engine.

单项选择题WhichmajorJ-WebmenushouldyouusetoupgradetheJUNOSsoftwareontherouter？（）

A.Monitor
B.Maintain
C.Diagnose
D.Configuration

多项选择题Whichthreestatementsaretrueofdynamicroutingprotocols？（）

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.