单项选择题
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
单项选择题 Where are files queued for transmission when using the configuration archive transfer-on- commit function?（）
多项选择题 Which three statements are true regarding the Network Time Protocol (NTP) in JUNOS platforms?（）
单项选择题 You delete a trace options file and later notice that no new entries are being written to this file. What would allow the entries to be written to the file again?（）