Computer Networking A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose? Telecommunications Communications software None of these Link access procedure (LAP) Error detecting protocols Telecommunications Communications software None of these Link access procedure (LAP) Error detecting protocols ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called? Global network Electronic newspaper Paperless office Electronic mail None of these Global network Electronic newspaper Paperless office Electronic mail None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In cyclic redundancy checking what is the CRC? the dividend the divisor None of these the quotient the remainder the dividend the divisor None of these the quotient the remainder ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is required to communicate between two computers? access to transmission medium All of these communications hardware communications software protocol access to transmission medium All of these communications hardware communications software protocol ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A modem is connected in between a telephone line and a computer network None of these communication adapter serial port computer network None of these communication adapter serial port ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Demodulation is the process of dividing the high-speed signals into frequency bands converting digital signals to analog signals None of these converting analog signals to digital signals combining many low speed channels into one high speed channel dividing the high-speed signals into frequency bands converting digital signals to analog signals None of these converting analog signals to digital signals combining many low speed channels into one high speed channel ANSWER DOWNLOAD EXAMIANS APP
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