Computer Networking Who invented the modem? Apple Computers Inc. Wang Laboratories Ltd. None of these AT & T Information Systems, USA Digital Equipment Corpn. Apple Computers Inc. Wang Laboratories Ltd. None of these AT & T Information Systems, USA Digital Equipment Corpn. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Communication circuits that transmit data in both directions but not at the same time are operating in a simplex mode an asynchronous mode None of these a half-duplex mode a full-duplex mode a simplex mode an asynchronous mode None of these a half-duplex mode a full-duplex mode ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A network which is used for sharing data, software and hardware among several users owning microcomputers is called MAN None of these VAN LAN WAN MAN None of these VAN LAN WAN ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A T-switch is used to control how messages are passed between computers transmit characters one at a time rearrange the connections between computing equipment echo every character that is received None of these control how messages are passed between computers transmit characters one at a time rearrange the connections between computing equipment echo every character that is received None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the default subnet mask for a class B network? None of these 255.255.255.0 127.0.01 255.255.0.0 255.0.0.0 None of these 255.255.255.0 127.0.01 255.255.0.0 255.0.0.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An error-detecting code inserted as a field in a block of data to be transmitted is known as None of these Error detecting code flow control Checksum Frame check sequence None of these Error detecting code flow control Checksum Frame check sequence ANSWER DOWNLOAD EXAMIANS APP
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