Computer Networking Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost. P I (K + 1) 1/ (1 - F) KIK (1 + F) None of these K I (K - P) P I (K + 1) 1/ (1 - F) KIK (1 + F) None of these K I (K - P) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A distributed data processing configuration in which all activities must pass through a centrally located computer is called a: hierarchical network None of these spider network data control network ring network hierarchical network None of these spider network data control network ring network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is required to communicate between two computers? communications software protocol access to transmission medium communications hardware All of these communications software protocol access to transmission medium communications hardware All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a firm wanted to transmit data from 1,000 punched cards to a remote computer, they would use a(n) None of these POS terminal batch processing terminal data collection terminal intelligent terminal None of these POS terminal batch processing terminal data collection terminal intelligent terminal ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Networks where end user workstations are tied to LAN servers to share resources and application processing. Business applications of telecommunications Information super highway Client/Server networks Internetworked enterprise Business applications of telecommunications Information super highway Client/Server networks Internetworked enterprise ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in? disable exit close disconnect disable exit close disconnect ANSWER DOWNLOAD EXAMIANS APP