Computer Networking What is the port number for NNTP? 119 79 None of these 80 70 119 79 None of these 80 70 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 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 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A high speed communication equipment typically would not be needed for All of these E-mail Supporting communication between nodes in a LAN Transferring large volume of data All of these E-mail Supporting communication between nodes in a LAN Transferring large volume of data ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned?1. Broadcast2. Point-to-point3. NBMA4. NBMA point-to-point 1 and 3 3 and 4 All of these 1, 2 and 3 1 and 3 3 and 4 All of these 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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? Communications software Telecommunications Link access procedure (LAP) Error detecting protocols None of these Communications software Telecommunications Link access procedure (LAP) Error detecting protocols None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following condition is used to transmit two packets over a medium at the same time? Contention None of these Synchronous Collision Asynchronous Contention None of these Synchronous Collision Asynchronous ANSWER DOWNLOAD EXAMIANS APP
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