DATA LINK LAYER WIRED NETWORKS
DATA LINK CONTROL DLC
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Using even parity which of the following three 8 bit binary numbers has been transmitted incorrectly?
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0 1 0 1 1 0 0 1
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1 0 0 1 0 0 0 1
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0 0 1 0 1 1 0 1
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None of the above
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Explanation:
Detailed explanation-1: -An 8-bit byte with binary value 10101111 is to be encoded using an even-parity Hamming code. What is the binary value after encoding? Ans: The binary value of the codeword is 101001001111.
Detailed explanation-2: -Explanation: There are two types of parity bits, namely even parity and odd parity. In even parity, a 1 bit is added in order to make a group of data bits have even number of 1s. While, in odd parity, a 1 bit is added in order to make a group of data bits have odd number of 1s. 4.
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