094E D
 The sequence BFEC, SFEC, ARQ 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, two-way communications.
d) None of the above
