Computer Networking Who invented the modem? Digital Equipment Corpn. Apple Computers Inc. None of these AT & T Information Systems, USA Wang Laboratories Ltd. Digital Equipment Corpn. Apple Computers Inc. None of these AT & T Information Systems, USA Wang Laboratories Ltd. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the device that connects two computers by means of a telephone line? modem bus cable None of these Tape modem bus cable None of these Tape ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The channel in the data communication model can be radio signals None of these postal mail service All of these telephone lines radio signals None of these postal mail service All of these telephone lines ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM? None of these Frequency-division multiple access Frequency modulation Frequency-shift keying Amplitude modulation None of these Frequency-division multiple access Frequency modulation Frequency-shift keying Amplitude modulation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are the distinct functions of layer 2 switching that increase available bandwidth on the network?1. Address learning2. Routing3. Forwarding and filtering4. Creating network loops5. Loop avoidance6. IP addressing 1, 3 and 5 2 and 6 2, 4 and 6 3 and 5 1, 3 and 5 2 and 6 2, 4 and 6 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Establishing a virtual connection is functionally equivalent to Physically connecting a DTE and DCE None of these Connecting as virtual memory Placing a telephone call prior to a conversation Placing a modem prior to a conversation Physically connecting a DTE and DCE None of these Connecting as virtual memory Placing a telephone call prior to a conversation Placing a modem prior to a conversation ANSWER DOWNLOAD EXAMIANS APP
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