Two aspects of an IP SLA operation can be tracked: state and reachability. Which statement about
state tracking is true?

A.
When tracking state, an OK return code means that the track’s state is up; any other return
code means that the track’s state is down.

B.
When tracking state, an OK or over threshold return code means that the track’s state is up;
any other return code means that the track’s state is down.

C.
When tracking state, an OK return code means that the track’s state is down; any other return
code means that the track’s state is up.

D.
When tracking state, an OK or over threshold return code means that the track’s state is down;
any other return code means that the track’s state is up.