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

单项选择题On a Juniper router，what is the default file used for syslog messages？（）

A.system
B.errors
C.security
D.messages

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Which major J-Web menu should you use to upgrade the JUNOS soft ware on the router？（）

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

单项选择题Whichcommandisavalidwaytoviewthestatusofaninterface？（）

A.>show interfaces fe-0/0/0 extensive
B.>show interfaces fe-0/0/0 status
C.>show interfaces fe-0/0/0 health-info
D.>show interfaces fe-0/0/0 verbose

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