Refer to the exhibit. What statement is true about the interface S1/0 on router R1？（）A.Labeled packets can be sent over an interface.B.MPLS Layer 2 negotiations have occurred.C.IP label switching has been disabled on this interface.D.None of the MPLS protocols have been configured on the interface.

单项选择题

Refer to the exhibit. What statement is true about the interface S1/0 on router R1？（）

A.Labeled packets can be sent over an interface.
B.MPLS Layer 2 negotiations have occurred.
C.IP label switching has been disabled on this interface.
D.None of the MPLS protocols have been configured on the interface.

CCNP(642-825)