As the resources are reserved between two communicating end systems in circuit switching, ___________ is achieved.
A. authentication
B. guaranteed constant rate
C. reliability
D. store and forward
Answer:B
As the resources are reserved between two communicating end systems in circuit switching, ___________ is achieved.
A. authentication B. guaranteed constant rate C. reliability D. store and forward
Explanation: Circuit switching is connection oriented and is always implemented in the physical layer. Once a path is set, all transmission occurs through the same path. It is used since the early times in telephonic systems.