If a SONET/SDH interface transmit link fails between two JUNOS devices, which two alarms or defects would be seen on those devices?（）

单项选择题Which type of traffic will cause Policed Discards errors on an interface on a JUNOS device?（）

A.Traffic that does not match any route in the forwarding table.
B.Traffic that exceeds the bandwidth of the interface.
C.Traffic of unsupported protocols on that interface.
D.Traffic arriving on unknown virtual-circuits on that interface.

单项选择题The monitor traffic command closely resembles which UNIX-based utility?（）

A.ps -x
B.passwd
C.ls -a-l
D.tcpdump

单项选择题Which command allows you to view interface usage details in real-time?（）

A.user@host> debug interface interface-name
B.user@host> monitor usage interface-name
C.user@host> monitor interface interface-name
D.user@host> traceoptions interface interface-name

单项选择题Which naming convention is used by Juniper Routers when archiving their configurations to a remote server?（）

A.yyyymmdd_HHMMSS_host-name_juniper.conf.gz
B.host-name_juniper.conf.gz_yyyymmdd_HHMMSS
C.yyyymmdd_HHMMSS_host-name_juniper.conf
D.host-name_juniper.conf_yyyymmdd_HHMMSS

单项选择题Which command configures the router to send SNMP link-related notifications such as up-down transitions and line status changes?（）

A.set snmp trap-group my-trap-group link-status
B.set snmp trap-group my-trap-group categories link
C.set snmp log link-status
D.set snmp trap link-status