____ is capable of sending traffic that may experience bursts of data,but there are no promises as to when the data may be sent.
A) Variable bit rate (VBR)
B) Available bit rate (ABR)
C) Unspecified bit rate (UBR)
D) Constant bit rate (CBR)

Question

Quizplus · Accepted Answer

Unspecified bit rate (UBR) is a service category used in ATM networks, which is capable of sending traffic that may experience bursts of data, but there are no promises as to when the data may be sent. UBR does not provide any quality of service guarantees, and the network may discard UBR traffic if it becomes congested.

____ Is Capable of Sending Traffic That May Experience Bursts