Demonstrate by example (write down a few dozen arbitrary bit patterns; assume one start bit and a stop element of length one bit) that a receiver that suffers a framing error on asynchronous transmission will eventually become realigned.
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- Suppose the information content of a packet is the bit pattern 1110 0110 1001 1101 and an even parity scheme is being used. What would the value of the field containing the parity bits be for the case of a two-dimensional parity scheme? Your answer should be such that a minimum length checksum field is used.1. Suppose the information content of a packet is the bit pattern as shown below, and an even parity scheme is being used. What would the value of the field containing the parity bits be for the case of a two-dimensional parity scheme? 1 1 1 00 1 1 01 0 0 11 1 0 1Networking question: Consider the following bit stream-a. 00000000 b. 11111111 c. 01010101 d. 00110011 Draw the graph of thei. NRZ-Lii. NRZ-Iiii. Manchesteriv. differential Manchester schemeusing each of the given data streams, assuming that the last signal level has been positive. From the graphs, guess the bandwidth for this scheme using the average number of changes in the signal level.
- Suppose the information content of a packet is the bit pattern 1110101010101111 and an even parity scheme is being used. What would the value of the checksum field be for the case of a two-dimensional parity scheme? Your answer should be such that a minimum-length checksum field is used.The following frame should be transmitted over a given network (the frame is shown in hexadecimal): 7E DB DD 7E C0 7D DB DC FF C0. a) If the SLIP framing protocol is used; what are the bytes that are sent on the wire (after framing)? Show your workNetworking question: Consider the following bit stream-a. 00000000 b. 11111111 c. 01010101 d. 00110011 Draw the graph of the i. differential Manchester scheme 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.
- 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.Consider the following scenario: Frames of 12000 bits are sent over a 400kbps channel using a satellite whose propagation delay is 270ms. Acknowledgements are always piggybacked onto data frames. (That is, in the case of stop-and-wait, the next frame cannot be transmitted until the entire frame containing the acknowledgement is received.) Five-bit sequence numbers are used. What is the maximum achievable channel utilization for (a) Stop-and-wait. (b) Protocol 5 (i.e., Go Back N). (c) Protocol 6 (i.e., Selective Repeat)Suppose an 802.11b station is configured to always reserve the channel with the RTS/CTS sequence. Suppose this station suddenly wants to transmit 1,000 bytes of data, and all other stations are idle at this time. As a function of SIFS and DIFS, and ignoring propagation delay and assuming no bit errors, calculate the time required to transmit the frame and receive the acknowledgment.
- Suppose we use a checksum scheme based on the addition of successive 8-bit fields rather than 16-bit fields as in the Internet Transport layer. Now suppose that the following 3 bytes are received, in which the last bytes is the checksum field. 0 1 0 1 0 0 1 1 1 1 0 1 0 1 0 0 1 1 0 1 0 1 1 1 Does the receiver detect an error that might have occurred during the transmission of these three bytes?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...If an error happened in the following scenario, please mention whether it occurred. The sender sends the number “001011010” to the recipient. The devices make use of odd parity, 8-bit data, and a 1-bit (LSB) parity for each bit of information. What happens if the devices are utilizing even parity instead than odd? What are the communication protocols that are utilized in TESLA automobiles? Insert the schematic of the one(s) that you have discovered.