| 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. |