Computer Networking What frequency range is used for microwave communications, satellite and radar? Super High Frequency : 3000 MHz to 30000 MHz None of these Medium Frequency : 300 kHz to 3 MHz Extremely High Frequency :30,000 MHz Low Frequency : 30 kHz to 300 kHz Super High Frequency : 3000 MHz to 30000 MHz None of these Medium Frequency : 300 kHz to 3 MHz Extremely High Frequency :30,000 MHz Low Frequency : 30 kHz to 300 kHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following might be used by a company to satisfy its growing communications needs? All of these concentrator controller front-end processor multiplexer All of these concentrator controller front-end processor multiplexer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which network is a cross between circuits switched network and a data-gram network? None of these Virtual-circuit identifier Virtual-circuit network Circuit-switched network None of these Virtual-circuit identifier Virtual-circuit network Circuit-switched network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called WAN EITHERNET LAN ECONET None of these WAN EITHERNET LAN ECONET None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking RS-232-G requires only 7 pin out of 25 in order to transmit digital data over public telephone lines is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment is an interface between two data circuit terminating equipment as examplified by a local and remote modem None of these specifies only the mechanical characteristics of an interface by providing a 25-pin connector requires only 7 pin out of 25 in order to transmit digital data over public telephone lines is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment is an interface between two data circuit terminating equipment as examplified by a local and remote modem None of these specifies only the mechanical characteristics of an interface by providing a 25-pin connector ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following conditions is used to transmit two packets over a medium at the same time? Collision Synchronous Asynchronous Contention None of these Collision Synchronous Asynchronous Contention None of these ANSWER DOWNLOAD EXAMIANS APP
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