多选题
Which two statements about the track configuration option are correct?（）
The track option monitors interfaces as defined by the user.
The track option monitors all interfaces participating in VRRP.
The track option allows for a reduction of the priority value if the monitored interface goes down.
The track option causes syslog entries to be written in the messages log file, if the monitored interface goes down.
单选题
How are multiple policies evaluated within the JUNOS software?（）
alphabetically
as an ordered list
in a round robin manner
numerically from lowest to highest
单选题
Which logical unit number must be configured on an interface using PPP encapsulation?（）
unit 0
unit 1
unit 100
unit 255
单选题
Which major J-Web menu should you use to upgrade the JUNOS software on the router?（）
Monitor
Manage
Diagnose
Configuration
