Computer Networking The data-link layer, in reference to the OSI model, specifies the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received None of these All of these the interface between the X.25 network and packet mode device the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received None of these All of these the interface between the X.25 network and packet mode device ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following frequency ranges is used for AM radio transmission? High Frequency : 3 MHz to 30 MHz Medium Frequency : 300 kHz to 3 MHz Very Low Frequency : 3 kHz to 30 kHz Very High Frequency : 30 MHz to 300 MHz None of these High Frequency : 3 MHz to 30 MHz Medium Frequency : 300 kHz to 3 MHz Very Low Frequency : 3 kHz to 30 kHz Very High Frequency : 30 MHz to 300 MHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called? None of these Electronic mail Word processor Facsimile Telex None of these Electronic mail Word processor Facsimile Telex ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which protocol is used to send a destination network unknown message back to originating hosts? BootP ICMP ARP TCP BootP ICMP ARP TCP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Terminals are required for realtime, distributed processing, and manager inquiry realtime, batch processing, and timesharing None of these realtime, timesharing, and distributed processing realtime, timesharing, and message switching realtime, distributed processing, and manager inquiry realtime, batch processing, and timesharing None of these realtime, timesharing, and distributed processing realtime, timesharing, and message switching ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? 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 Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Low Frequency : 30 kHz to 300 kHz ANSWER DOWNLOAD EXAMIANS APP
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