A network administrator assigns a multicast address of 239.255.8.5 to an application running
on a device with an Ethernet MAC address of 01.b2.7d.05.f1.80. Which Layer 2 multicast
address will this device use?
A.
01.00.5e.05.f1.80
B.
01.b2.7d.05.f1.80
C.
ff.ff.ff.ff.ff.ff
D.
01.00.5e.7F.08.05
E.
01.b2.7d.0a.08.05
Good explanation here on how to converter L2 multicast to L3 multicast address, and vice versa.
http://routemyworld.com/2009/03/04/ip-multicast-to-mac-address-mapping/