Refer to the exhibit. A router connected to an MPLS-enabled ATM switch via an LC-ATM MPLS interface, and a partial configuration for the MPLS-enabled ATM switch and the router are shown. Which statement describes what is incorrect about the configurations shown?
Exhibit:

A.
The router subinterface is not specified as an MPLS cell-mode subinterface.

B.
CEF has not been enabled on the ATM interface of the MPLS-enabled ATM switch.

C.
The control VPI/VCI has not been set to 0/32.

D.
VC-merge has not been enabled on the ATM interface of the MPLS-enabled ATM switch.

E.
The router has not been configured to specifically use LDP.

F.
The ATM interface of the MPLS-enabled ATM switch has not been configured for cell-mode MPLS operations.