A. It can be established by transporting packets in the sequence in which they were transmitted by the source along the same path for a given session
B. It can be established by grouping a number of virtual circuits between two switches into a virtual path
C. . when the connection is established for long periods of time and not switched between sessions, a permanent virtual circuit (pvc) is established. advertisement
D. It can be established on a per session basis or on a permanent basis between a pair of end stations that carry large volumes of traffic