单项选择题 A network administrator would like to view detailed interface status, properties, statistics, errors,and CoS packet counters.Which operational command will display this information?（）

单项选择题 Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?（）

多项选择题 You have been asked to configure your router to send link-related SNMP trap notifications to the network management system (NMS) located at address 172.16.17.1.Which two commands are required?（）