Computer Networking Which of the following condition is used to transmit two packets over a medium at the same time? Collision Contention Asynchronous None of these Synchronous Collision Contention Asynchronous None of these Synchronous ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Number of bits per symbol used in Baudot code is 1 5 9 None of these 8 1 5 9 None of these 8 ANSWER DOWNLOAD EXAMIANS APP
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 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 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 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 The probability that one or more errors will be undetected when an error detection scheme is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device copies electrical signals from one Ethernet to another? None of these bridge repeater hub passive hub None of these bridge repeater hub passive hub ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following types of connections can use full duplex?1. Hub to hub2. Switch to switch3. Host to host4. Switch to hub5. Switch to host 3 and 4 1, 2 and 4 2, 3 and 5 3 and 5 3 and 4 1, 2 and 4 2, 3 and 5 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is a voiceband channel? Telephone line Coaxial cable None of these Telegraph line Microwave systems Telephone line Coaxial cable None of these Telegraph line Microwave systems ANSWER DOWNLOAD EXAMIANS APP
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