【简答题】Datagram networks and virtual-circuit networks differ in ____.A. Datagram networks are circuit-switched networks, and virtual-circuit networks are packet-switched networks. B. Datagram networks are pa...
【简答题】Datagram networks and virtual-circuit networks differ in that ( ).A. datagram networks are circuit-switched networks, and virtual-circuit networks are packet-switched networks. B. datagram networks ar...