094D C
 The sequence ARQ, FEC, SFEC best corresponds to which of the following sequences?
a) One-way communications to a single station, one-way communications to all stations, two-way communications.
b) One-way communications to all stations, two-way communications, one-way communications to a single station.
c) Two way communications, one-way communications to all stations, one-way communications to a single station.
d) Two way communications, One way communications to a single station, One way communications to all stations.
