Why is the address field in a PPP header always set to “11111111”?
A.
PPP supports point-to-point networks only. The address field is fixed.
B.
PPP supports point-to-point networks only. The address field can change dynamically
since every station is assigned a PPP address.
C.
PPP supports multipoint access networks with many stations. The all 1’s acts as a
multicast.
D.
PPP supports multipoint access networks with many stations. The all 1’s acts as a
broadcast.