TEST BANK FOR Data Communications and Networking By Behrouz Forouzan

1. The five components of a data communication system are the sender, receiver, transmission medium, message, and protocol. 3. The three criteria are performance, reliability, and security. 5. Line configurations (or types of connections) are point-to-point and multipoint. 7. In half-duplex transmission, only one entity can send at a time; in a full-duplex transmission, both entities can send at the same time. 9. The number of cables for each type of network is: a. Mesh: n (n – 1) / 2 ...