As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?

A.
to enable label switching on the frame mode interface

B.
to restrict MPLS availability to predefined time periods

C.
to restrict end users from seeing the routers in the MPLS network

D.
to restrict label switching to a limited number of networks

E.
to restrict end users from seeing the routers in the MPLS network