多项选择题

Which two fields are found in an Ethernet frame header?（）

A. TTL
B. flags
C. checksum
D. type

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多项选择题

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

A. set snmp trap-group my-trap-group targets 172.16.17.1
B. set snmp targets 172.16.17.1
C. set snmp trap-group my-trap-group link-status
D. set snmp trap-group my-trap-group categories link

单项选择题

Which command is used to enable access to J-Web using HTTPS?（）

A. set system remote-access provle https
B. set services remote-access profile j-web-https
C. set system services web-management https
D. set services web-management j-web-https

单项选择题

Which user authenticaton method is supported by the Junos OS as the last resort alternative?（）

A. TACACS+
B. RADIUS
C. local user database
D. enable password