Computer Networking Communication circuits that transmit data in both directions but not at the same time are operating in a half-duplex mode a simplex mode None of these a full-duplex mode an asynchronous mode a half-duplex mode a simplex mode None of these a full-duplex mode an asynchronous mode 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) 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 On a class C network with a subnet mask of 192, how many subnets are available? 62 254 14 2 30 62 254 14 2 30 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following summation operation is performed on the bits to check an error-detecting code? Checksum Codec None of these Coder-decoder Attenuation Checksum Codec None of these Coder-decoder Attenuation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking MAC is network access standard for connecting stations to a circuit-switched network a method of determining which device has access to the transmission medium at any time a very common bit-oriented data link protocol issued to ISO. a method access control technique or multiple-access transmission media None of these network access standard for connecting stations to a circuit-switched network a method of determining which device has access to the transmission medium at any time a very common bit-oriented data link protocol issued to ISO. a method access control technique or multiple-access transmission media None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is an advantage to using fiber optics data transmission? few transmission errors low noise level resistance to data theft All of these fast data transmission rate few transmission errors low noise level resistance to data theft All of these fast data transmission rate ANSWER DOWNLOAD EXAMIANS APP
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