Study the Topology Exhibit.
Router domain .com A has a 512K-access port into the frame relay cloud. Router domain .com B has 128K-access port into the frame relay cloud. The two routers are connected with symmetrical PVCs that are configured for 64K committed information rate (CIR). What Frame Relay Traffic Shaping map-class sub-command should be entered on Router domain .com A to prevent workstation domain .com 1 from overrunning the access port on Router domain .com B?
Exhibit:

A.
frame-relay traffic-rate 128000 512000

B.
frame-relay traffic-rate 64000 512000

C.
frame-relay traffic-rate 512000 64000

D.
frame-relay traffic-rate 128000 64000

E.
frame-relay traffic-rate 64000 128000