Which three statements accurately describe the characteristics and functions of circuitswitched networks?
a. With circuit switching, a dedicated physical circuit is established, maintained, and terminated through a carrier network for each communication session.
b. Circuit switching allows multiple sites to connect to the switched network of a carrier and communicate with each other.
c. With circuit switching, communication links can accommodate only two sites on
a single connection.
d. ATM is an example of circuit-switching technology.
e. ISDN is an example of a circuit-switched network.
f. Frame Relay is an example of circuit-switching technology.
A, B, E