Computer Networking Synchronous protocols are more reliable transmit characters one at a time are generally used by personal computers None of these allow faster transmission than asynchronous protocols do are more reliable transmit characters one at a time are generally used by personal computers None of these allow faster transmission than asynchronous protocols do ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame? Add the destination to the MAC address table and then forward the frame Flood the network with the frame Add the source address and port to the MAC address table and forward the frame out the destination port Discard it and send an error message back to the originating host Add the destination to the MAC address table and then forward the frame Flood the network with the frame Add the source address and port to the MAC address table and forward the frame out the destination port Discard it and send an error message back to the originating host ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate? 1.5 Mbaud/sec 6 Mband/sec 24 Mbaud/sec None of these 12 Mbaud/sec 1.5 Mbaud/sec 6 Mband/sec 24 Mbaud/sec None of these 12 Mbaud/sec ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following medium is used for broadband local networks? CATV Coaxial cable None of these optic fiber UTP CATV Coaxial cable None of these optic fiber UTP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which protocol does DHCP use at the Transport layer? ARP TCP UDP IP ARP TCP UDP IP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session? Decrease the sequence number. Send a different source port number. Decrease the window size. Restart the virtual circuit. Decrease the sequence number. Send a different source port number. Decrease the window size. Restart the virtual circuit. ANSWER DOWNLOAD EXAMIANS APP
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