Ques. Which of the following is incorrect?
A. In circuit switched network, switches require connection establishment and teardown phases, where as in packet switched network doesn’t.
B. Unlike packet switching, circuit switched networks do not need any information about the network topology for correct functionality.
C. Once a connection is correctly established, a switch in circuit switched network can forward data directly without requiring data frames to conclude a destination address.
D. Under some circumstance, a circuit switched network may prevent some sender from starting new conversation.
