A. Random, controlled, channelization
B. Controlled, channelization
C. Random, channelization
D. Random, controlled, contributed

A. No rules for accessing medium
B. Shared bandwidth
C. Authorized access for medium
D. Scheduling time for medium

A. To prevent other stations
B. To avoid more collisions
C. To detect other collisions
D. To get acknowledgment from the receiver

A. Aborts the re-transmission after 5 attempts
B. A station is allowed to re-transmit for 2 times
C. Restriction on the attempts for re-transmission
D. Re-transmission has no restriction

A. 2*t
B. 3*t
C. 1/2*t
D. 5*t

A. Polling
B. Reservation
C. Token passing
D. Scheduling

A. Random access protocol
B. Controlled access protocol
C. Channelization
D. Persistent method

A. 1 €? persistent
B. Non persistent
C. Persistent
D. 1 €? persistent and non-persistent

A. T propagation
B. T frame
C. 2*t frame
D. 2*t propagation

A. True
B. False
C.
D.