Which command is used to show active alarms on a Juniper device?（）

单项选择题Which command is used to retrieve the serial numbers of a Juniper device?（）

A.show version
B.show chassis hardware
C.show hardware detail
D.view hardware database

单项选择题What is used to view status messages sent to a file named test as they are sent?（）

A.monitor start test
B.show log test
C.view log test
D.show test realtime

多项选择题Which three SONET network elements are used for troubleshooting?（）

A.line
B.path
C.circuit
D.section
E.segment

单项选择题When troubleshooting ATM, which command would allow you to test reachability from one side of an ATM cloud to the other?（）

A.ping atm vci 0.100 interface at-0/1/0 end-to-end
B.ping atm vci 0.100 interface at-0/1/0 circuit
C.ping atm vci 0.100 interface at-0/1/0 far-end
D.ping atm vci 0.100 interface at-0/1/0 final-hop

单项选择题Which command would you type to see a concise display of which interfaces are up and which are down?（）

A.show interfaces brief
B.show interfaces status
C.show ip interface brief
D.show interfaces terse