Computer Networking Which of the following refers to the terms "residual error rate"? 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 detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line None of these The probability that one or more errors will be undetected when an error detection scheme 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 detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line None of these The probability that one or more errors will be undetected when an error detection scheme is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What two multicast addresses does OSPFv3 use?1. FF02::A2. FF02::93. FF02::54. FF02::6 2 only 1 and 3 3 only 3 and 4 2 only 1 and 3 3 only 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If one link fails, only that link is affected. All other links remain active. Which topology does this? Bus topology Mesh topology Physical topology Star topology Bus topology Mesh topology Physical topology Star topology ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for TV transmission and low power microwave applications? Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Ultra High Frequency : 300 MHz to 3000 MHz None of these Very Low Frequency : 3 kHz to 30 kHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Ultra High Frequency : 300 MHz to 3000 MHz None of these Very Low Frequency : 3 kHz to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP 2 and 4 1, 3 and 6 All of these 1, 2 and 4 2 and 4 1, 3 and 6 All of these 1, 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How often are BPDUs sent from a layer 2 device? Every 2 seconds Every 30 seconds Never Every 10 minutes Every 2 seconds Every 30 seconds Never Every 10 minutes ANSWER DOWNLOAD EXAMIANS APP
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