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. 1/ (1 - F) K I (K - P) P I (K + 1) None of these KIK (1 + F) 1/ (1 - F) K I (K - P) P I (K + 1) None of these KIK (1 + F) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Frames from one LAN can be transmitted to another LAN via the device Modem Router Bridge None of these Repeater Modem Router Bridge None of these Repeater ANSWER DOWNLOAD EXAMIANS APP
Computer Networking When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system? Security procedure Log-on procedure None of these Identification procedure Safeguard procedure Security procedure Log-on procedure None of these Identification procedure Safeguard procedure ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following services dynamically resolves NetBIOS-to-IP resolution? LMHOSTS DHCP WINS None of these DNS LMHOSTS DHCP WINS None of these DNS ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A terminal multiplexer has six 1200 bps terminals and 'n' 300bps terminals connected to it. The outgoing line is 9600bps. What is the maximum value of n? 8 4 28 16 8 4 28 16 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want? None of these Teletex system Microwave system Videotex system Fax system None of these Teletex system Microwave system Videotex system Fax system ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS