Which configuration example represents a services interface configured for a MLPPP bundle on aJ-series router?（）

A. The track option monitors interfaces as defined by the user.
B. The track option monitors all interfaces participating in VRRP.
C. The track option allows for a reduction of the priority value if the monitored interface goes down.
D. The track option causes syslog entries to be written in the messages log file, if the monitored interface goes down.

A.0
B.5
C.10
D.170

A. SDX
B. local PC
C. BSD shell
D. remote host