Computer Networking What frequency range is used for microwave communications, satellite and radar? Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end? Handshaking None of these Protocol Duplexing Modem options Handshaking None of these Protocol Duplexing Modem options ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The synchronous modems are more costly than the asynchronous modems because they operate with a larger bandwidth they produce large volume of data None of these they contain clock recovery circuits they transmit the data with stop and start bits. they operate with a larger bandwidth they produce large volume of data None of these they contain clock recovery circuits they transmit the data with stop and start bits. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used? static routing flooding delta routing None of these hot potato routing static routing flooding delta routing None of these hot potato routing ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The communication mode that supports two-way traffic but only one direction at a time is multiplex half duplex duplex simplex None of these multiplex half duplex duplex simplex None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Synchronous protocols are generally used by personal computers are more reliable None of these transmit characters one at a time allow faster transmission than asynchronous protocols do are generally used by personal computers are more reliable None of these transmit characters one at a time allow faster transmission than asynchronous protocols do ANSWER DOWNLOAD EXAMIANS APP
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