Computer Networking A required characteristic of an online real-time system is: None of these offline batch processing no delay in processing more than one CPU All of these None of these offline batch processing no delay in processing more than one CPU All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? The probability that one or more errors will be undetected when an error detection scheme is used None of these the number of bit errors per twenty four hours of continuous operation on an asynchronous line the probability that one or more errors will be detected when an error detection mechanism is used signal to noise ratio divided by the ratio of energy per bit to noise per hertz The probability that one or more errors will be undetected when an error detection scheme is used None of these the number of bit errors per twenty four hours of continuous operation on an asynchronous line the probability that one or more errors will be detected when an error detection mechanism is used signal to noise ratio divided by the ratio of energy per bit to noise per hertz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to 0.009 0.999 0.991 None of these 0.003 0.009 0.999 0.991 None of these 0.003 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In CRC there is no error if the remainder at the receiver is _____. nonzero None of these zero the quotient at the sender equal to the remainder at the sender nonzero None of these zero the quotient at the sender equal to the remainder at the sender ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The transfer of data from a CPU to peripheral devices of a computer is achieved through buffer memory interfaces None of these modems computer ports buffer memory interfaces None of these modems computer ports ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP All of these 1, 3 and 6 2 and 4 1, 2 and 4 All of these 1, 3 and 6 2 and 4 1, 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
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