MCQ Practices

1. The _____ is the physical path over which a message travels. A. Protocol B. Medium C. Signal D. All the above 2. The information to be communicated in a data communications system is the _______. A. Medium B. Protocol C. Message D. Transmission 3. Frequency of failure and network recovery time after a failure are measures of the _______ of a network. A. Performance B. Reliability C. Security D. Feasibility 4. An unauthorized user is a network _____ issue. A. Performance B. Reliability C. Security D. All the above