What is the operating system do Juniper Networks MX Series routers use?（）

A. All users have their own active configuration
B. All users have their own private candidate configuration
C. When a user commits, all nonconflicting changes made by all users are commited
D. When a user commits, only the user's own changes are commited

A. a brief description of commands and their default values
B. the serial number and version number of the device used to open a support case with JTAC
C. a list of all the active hardware alarms on the device
D. a display of the current configuration while in operational mode

A. show route
B. show route inet 0 direct
C. show ip route direct
D. show ip route protocol direct