Английский язык для специальности "организация и технология защиты информации" 3 курс

Complete the following sentences with the verbs in the corresponding form:

1. In a bus network each communications device ………. electronic messages to other devices. 2. The hub ……… collisions between messages. 3. The network operating system software ……….the activity of the network. 4. In a star network, all the network's devices………… to a central server. 5. In a ring network all microcomputers and other communications devices ………. in a continuous loop. 6. The central hub ……… the flow of traffic. 7. FDDI network ……… fiber-optic cable with an adaptation of ring topology.