On an Nokia 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?

On an Nokia 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?
A . Set the service MTU of the VPLS to match the IES MT
C . Set the ip-mtu of the IES to match the service MTU of the VPL
E . Set the SDP MTU of the IES to match the SDP MTU of the VPL
G . Set the MTU of the IES’s network port to match the service MTU of the VPL

Answer: B