Computer Networking A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring? 8 x 105 bit frame 80,000 B frame 10,000 B frame 8000 B frame 8 x 105 bit frame 80,000 B frame 10,000 B frame 8000 B frame ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Maximum data rate of a channel for a noiseless 3-kHz binary channel is 6000 bps None of these 3000bps 1500 bps 6000 bps None of these 3000bps 1500 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A data communications system has: 7 components 6 components 5 components 4 components 7 components 6 components 5 components 4 components ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the maximum distance running the lowest data rate for 802.11b? About 350 feet About 300 feet About 100 feet About 175 feet About 350 feet About 300 feet About 100 feet About 175 feet ANSWER DOWNLOAD EXAMIANS APP
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) KIK (1 + F) K I (K - P) 1/ (1 - F) None of these P I (K + 1) KIK (1 + F) K I (K - P) 1/ (1 - F) None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500 An additional token is added for every 1,000 nodes The network becomes less efficient The network becomes more efficient After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500 An additional token is added for every 1,000 nodes The network becomes less efficient The network becomes more efficient After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device ANSWER DOWNLOAD EXAMIANS APP
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