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. K I (K - P) P I (K + 1) None of these 1/ (1 - F) KIK (1 + F) K I (K - P) P I (K + 1) None of these 1/ (1 - F) KIK (1 + F) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Frames from one LAN can be transmitted to another LAN via the device Repeater Router None of these Modem Bridge Repeater Router None of these Modem Bridge ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device is used with an X.25 network to provide service to asynchronous terminals repeater None of these bridges Packet assembler/disassemble gateway repeater None of these bridges Packet assembler/disassemble gateway ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. 3, 2, 1, 7 3, 3, 1, 7 All of these 3, 2, 1, none 3, 3, 2, none 3, 2, 1, 7 3, 3, 1, 7 All of these 3, 2, 1, none 3, 3, 2, none ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is used for modulation and demodulation? modem protocols multiplexer None of these gateway modem protocols multiplexer None of these gateway ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If the ASCII character H is sent and the character I is received, what type of error is this? burst recoverable single-bit multiple-bit burst recoverable single-bit multiple-bit ANSWER DOWNLOAD EXAMIANS APP
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