SONET use RING physical topology and TOKEN logical topology. As simple as that. Logical topology deals with the data transmission. Physical topology deals with how the network is connected physically , BUS, RING, STAR and the like.
a physical topology specifies what
The Physical topology of ieee 802.5 is a bus.
Hybrid
Yes, a physical topology can support multiple logical topologies.
Topology
How do hosts on a physical ring topology communication
physical map
it is the physical & logical arringment is called topology
physical topology support multiple logical topology because quality and speed of cable wires effect efficiency of network
Switching
Switching