2) Compute data sent for a bit stream of 101011 with CRC using a generator 1010 1. Find the CRC bits that has appended to the data ii. Randomly assume any bit to have been corrupted, Illustrate how the receiver can detect if the data was corrupted.
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- 2) Compute data sent for a bit stream of 101011 with CRC using a generator 1010 Randomly assume any bit to have been corrupted, Illustrate how the receiver can detect if the data was corrupted.4-The following block is sent: 0110111 0101010 1101010 1010101. Using a 2-dimensional parity check, what will be received by the receiver without the block being corrupted in transmission. put a space after each frame (8 bits). your final answer shoule be 5 frames. 5-Given: Original message : 110101010; Generator: 1010 Perform a CRC Calculation: 6-The symbols M and N are transmitted. Show the transmission of this data (at the sender and receiver) using Checksum Method.I88. Consider the following bit stream-a. 00000000 b. 11111111 c. 01010101 d. 00110011 Draw the graph of the i. Manchester using each of the given data streams, assuming that the last signal level has been positive. From thegraphs, guess the bandwidth for this scheme using the average number of changes in the signal level...
- Suppose the DES Mangler function mapped every 32-bit value to zero, regardless of the value of its input, what function would DES compute? Solve this question by answering the following 3 sub-questions. What is the result of each round? What is the result after the 16 rounds? Remind DES = Initial permutation + 16 rounds + swap halves + final permutation? Assume the original message is a 64-bit message, i.e., 1 2 3 4 … 64. Specify the bit positions by then end of these 4 operation. Must provide detailed explanation of the calculation steps.Suppose the DES Mangler function mapped every 32-bit value to zero, regardless of the value of its input, what function would DES compute? Solve this question by answering the following 3 sub-questions. What is the result of each round? What is the result after the 16 rounds? Remind DES = Initial permutation + 16 rounds + swap halves + final permutation? Assume the original message is a 64-bit message, i.e., 1 2 3 4 … 64. Specify the bit positions by then end of these 4 operation. Use 8x8 matrix for this. Must provide detailed explanation of the calculation steps.Suppose the sender and the receiver agree to use the bit pattern 01111110 to mark the beginning and the end of a frame. 1)The sender has the following bits to send. What does the sender actually send? 011110000111111011101111101 2) The receiver receives the following bits. What're the original data bits (note: this question has nothing to do with the previous question) 01111110111110111110001101111101000011111001111110
- q5- How the CRC (Cyclic Redundancy Check) checksum can be applied for detecting data transmission errors? Calculate 3-bit CRC checksum for a message string 11010011101 and show the steps involved. Use 1011 as divisor and show your working.SUBJECT:- NETWORKING NOTE:- TAKE X = 1149 QUESTION# 1:- A bit stream X is being transmitted, where; X is the ASCII of last digits of your arid number (For example a student having 19-ARID-1149 will use ASCII of 1149 as X). a) Use 100001 as flag (starting/ending delimiter) and apply bit stuffing approach at layer 2. b) Apply Polar (RZ or NRZ) signaling/coding scheme on the resultant data obtained from part a of this question and represent the signal.Consider the following bit stream-a. 00000000 b. 11111111 c. 01010101 d. 00110011 Draw the graph of the i. NRZ-Iusing each of the given data streams, assuming that the last signal level has been positive. From thegraphs, guess the bandwidth for this scheme using the average number of changes in the signal level.
- MCQ 2712: The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is known as a. Bit stuffing b. Piggy backingBy inspecting the LSB, you may quickly determine if a bit stream represents an odd or even decimal integer. Please explain why.Compute CBC-MAC for a message of 16 bits, “ABCD” (in Hexa). Assume a block size of 8 bits with an IV=C9 (in hexa). For simplicity, assume the encryption to be a simple XOR of the key with the plaintext. Let the encryption key be D8 (in Hexa).