Computer Networking Which of the following refers to the terms "residual error rate"? None of these 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 the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz None of these 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 the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz 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? Electronic newspaper Global network Paperless office Electronic mail None of these Electronic newspaper Global network Paperless office Electronic mail None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The IEEE 802 project of the 1980s involved further defining the lower two layers of the OSI model. A number of standards were agreed upon during that time. Which of the following is the standard for Ethernet? 802.3 802.5 802.6 802.2 802.4 802.3 802.5 802.6 802.2 802.4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many pairs of stations can simultaneously communicate on Ethernet LAN? multiple 3 None of these 1 2 multiple 3 None of these 1 2 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In CRC there is no error if the remainder at the receiver is _____. nonzero the quotient at the sender equal to the remainder at the sender None of these zero nonzero the quotient at the sender equal to the remainder at the sender None of these zero ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What does the acronym ISDN stand for? Integrated Services Data Network Intelligent Services Digital Network Indian Standard Digital Network Integrated Services Digital Network None of these Integrated Services Data Network Intelligent Services Digital Network Indian Standard Digital Network Integrated Services Digital Network None of these ANSWER DOWNLOAD EXAMIANS APP
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